Install OCP on IBM Cloud Baremetal (UPI)
08 Dec 2020Install OCP 4.5.6 on IBM Cloud Baremetal Servers (UPI)
Introduction
Detailed step by step instructions for RH OCP on IBM Cloud Baremetal Servers. No hypervisor is used in this setup.
High Level Steps
- Setup Helper Node to run all the required tools. This can be Virtual Server.
- Setup Cloud Services (Load Balancer,Domain, VPN, vlan etc )
- Setup Baremetal Servers for OpenShift
- Install OpenShift 4.5.6
- Installation Validation
- Access the console
Preparation
Domain Name
Make sure you decide on domain name for your cluster. In this document, I have chosen ibmgsi.com. It is good to have this domain name registered and you have control on update the DNS records. Though it is not mandatory. If you don’t own the domain, then you may need to update clients /etc/hosts to point routes to LB external IP. In my case, I own the domain, and I would be able to access load balancers from any client. (For more details, check the Step # 3,Load Balancer configuration).
Cluster Name
In this case its mycluster.
Baremetal servers would have following hostnames.
- baremetal.mycluster.ibmgsi.com (Bootstrap Node)
- baremetal2.mycluster.ibmgsi.com (Master Node)
- baremetal3.mycluster.ibmgsi.com (Master Node)
- baremetal4.mycluster.ibmgsi.com (Master Node)
- baremetal5.mycluster.ibmgsi.com (Worker Node)
- baremetal6.mycluster.ibmgsi.com (Worker Node)
- baremetal7.mycluster.ibmgsi.com (Worker Node)
Step 1 Setup the Helper Node
Get ssh key
From local mac machine, run following commands.
mkdir /root/cloudkey
cd /root/cloudkey
ssh-keygen
Enter file in which to save the key (/Users/vishal/.ssh/id_rsa): ./id_rsa
No need to provide passphrase. Enter Twice.
Create a VLAN in your DC (Say Dallas13 in this case)
Create a new private vlan, using Catalog -> services -> VLANs -> Create. Select you data center (example Dallas13), name (example OCP45BMVLAN) -> create.
Please make sure all servers use this VLAN
Also please note down the CIDR, on the new VLAN page.
Provision Virtual Server Instance as helper Node
- Select Catalog -> Services -> Compute -> Virtual Server for Classic
- Select public (Multi Tenant), bastion as name, Dal13 DC, 2 CPU, 4GB
- Select ssh key, generated above, Cent OS, 100GB Boot Disk
- Make sure you select private vlan as ‘OCP45BMVLAN’.
Create the VSI Instance Please Note: In my environment, the internal IP of VSI instance is <IP_ADDRESS>
Add ssh key in your mac machine for quick login
- From client (Mac), use ssh-add
- Edit /etc/hosts (Map public IP of VSI = ocphelper)
- Create ~/.ssh/config file and add something like this
:
Host ocphelper HostName ocphelper IdentityFile ~/cloudkey/id_rsa User root
Now “ssh ocphelper” should work without password.
Setup NAT router for Helper Node
- Establish the names of public and private interfaces with ip addr, we will assume eth1 is public and eth0 is private.
- Run sysctl -w net.ipv4.ip_forward=1 to enable IP forwarding
- Add the line net.ipv4.ip_forward = 1 to the file /etc/sysctl.conf to keep it enabled across reboots.
- systemctl start firewalld
firewall-cmd –permanent –direct –passthrough ipv4 -t nat -I POSTROUTING -o eth1 -j MASQUERADE -s XXX
where XXX is your subnet CIDR e.g. <IP_ADDRESS>/26systemctl enable firewalld
Setup Firewall on Helper Node
- Identify your public and private interfaces. On an IBM Cloud VSI the public interface should be eth1 and the private eth0.
- Add the private interface to the ‘internal’ group firewall-cmd –permanent –zone=internal –change-interface=eth0
- Add the public interface to the ‘external’ group firewall-cmd –permanent –zone=external –change-interface=eth1
- Add the SMB service to the internal zone firewall-cmd –permanent –zone=internal –add-service=samba
- Add HTTP to the internal zone firewall-cmd –permanent –zone=internal –add-service=http
- Add DNS to the internal zone firewall-cmd –permanent –zone=internal –add-service=dns
- Start or restart the firewall
systemctl start firewalld
orsystemctl restart firewalld
- Enable the firewall permanently
systemctl enable firewalld
Configure Cluster DNS Service on Helper Node
Use BIND set up on the VSI.
- Install bind on Helper Node
yum install bind bind-utils
- Edit /etc/named.conf and create an access control list by adding the following to the top of the file, where XXX is your private subnet CIDR:
acl openshift { XXX; };
- In the options section, add or change the following lines:
listen-on port 53 { <IP_ADDRESS>; }; allow-query { localhost; openshift; };
- At the end of the file add the following for the forward zone:
zone "mycluster.ibmgsi.com" IN { type master; file "mycluster.ibmgsi.com.db"; allow-update { none; }; };
- Reverse zones are named with the significant IP octets in reverse, so if your subnet is 10.1.2.x then the zone shoudl be 2.1.10.in-addr-arpa
zone "85.209.10.in-addr.arpa" IN { type master; file "85.209.10.db"; allow-update { none; }; };
Check out the file from my working environment: named.conf
- Create the zone file in for the forward zone in /var/named called mycluster.mydomain.com.db with the following content including your own values. Note that IBM Cloud load balancers have multiple redundant IP addresses, so two records are included.
@ IN SOA ns1.softlayer.com. root.mycluster.mydomain.com. (
2020030800 ; Serial
7200 ; Refresh
600 ; Retry
1728000 ; Expire
3600) ; Minimum
@ 86400 IN NS ns1.softlayer.com.
@ 86400 IN NS ns2.softlayer.com.
*.apps 900 IN A <internal proxy LB address 1>
*.apps 900 IN A <internal proxy LB address 2>
api 900 IN A <internal API LB address 1>
api 900 IN A <internal API LB address 2>
api-int 900 IN A <internal API LB address 1>
api-int 900 IN A <internal API LB address 2>
etcd-0 900 IN A <master 1 address>
etcd-1 900 IN A <master 2 address>
etcd-2 900 IN A <master 3 address>
<bootstrap name> 900 IN A <bootstrap address>
<master 1 name> 900 IN A <master 1 address>
<master 2 name> 900 IN A <master 2 address>
<master 3 name> 900 IN A <master 3 address>
<worker 1 name> 900 IN A <worker 1 address>
<worker 2 name> 900 IN A <worker 2 address>
<worker 3 name> 900 IN A <worker 3 address>
<VSI name> 900 IN A <VSI IP>
_etcd-server-ssl._tcp 900 IN SRV 0 10 2380 etcd-0
_etcd-server-ssl._tcp 900 IN SRV 0 10 2380 etcd-1
_etcd-server-ssl._tcp 900 IN SRV 0 10 2380 etcd-2
Checkout working file from my environment: mycluster.ibmgsi.com.db
- Then create a reverse file matching the reverse zone definition above e.g. 2.1.10.db:
$TTL 86400
@ IN SOA ns1.softlayer.com. root.mycluster.mydomain.com. (
2020030722 ; Serial
7200 ; Refresh
600 ; Retry
1728000 ; Expire
3600) ; Minimum
@ 86400 IN NS ns1.softlayer.com.
@ 86400 IN NS ns2.softlayer.com.
<bootstrap last octet> IN PTR <bootstrap name>.;
<master 1 last octet> IN PTR <master 1 name>.;
<master 2 past octet> IN PTR <master 2 name>.;
<master 3 last octet> IN PTR <master 3 name>.;
<worker 1 last octet> IN PTR <worker 1 name>.;
<worker 2 last octet> IN PTR <worker 2 name>.;
<worker 3 last octet> IN PTR <worker 3 name>.;
Checkout working file from my environment: 85.209.10.db
Restart the DNS service with systemctl named restart
- Make sure you update the DNS Settings. Edit /etc/resolv.conf and add following lines
nameserver <IP_ADDRESS> # ns1 private IP address
nameserver <IP_ADDRESS>
Use Helper Node Private IP as nameserver. Test name resolution from your local server.
Step 2 Provision 7 Baremetal servers.
Use following process:
- Click on Catalog, Left navigation compute -> Bare Metal Servers
- Select the servers, as mentioned in the screenshots
- 7 Numbers of servers, baremetal as name, mycluster.ibmgsi.com as domain name.
-
Follow screenshots for more details
- Select correct data center, vlan, ssh key, “No OS” option, etc.
-
Accept License and provision bare metals.
Step 3 Configure Load balancers and Domain
Openshift requires load balancers for bootstrap related traffic, for control plane traffic, and for ingress traffic i.e. access to the user applications. This guide uses the IBM local load balancer service and will create four instances:
| Name | Type | Servers | Ports |
|---|---|---|---|
| Internal Proxy | Private to private | Workers | 80, 443 |
| External Proxy | Public to private | Workers | 80, 443 |
| Internal API | Private to private | Bootstrap, masters | 6443, 22623* |
| External API | Public to private | Bootstrap, workers | 6443 |
* This rule should be removed after installation is complete along with the bootstrap server.
Go to Catalog -> Left Navigation -> Classic Infrastructure -> Load Balancing Create these four entries:
Please make sure you use TCP as a protocol for LBs.
Accessing Load Balancers Externally
We also need to make sure, domain names are updated with the external IP address of LB.
Create the following A records in your zone, assuming your cluster name will be mycluster and your domain is ibmgsi.com:
| Name | IP |
|---|---|
| api.mycluster.ibmgsi.com | IP of external API load balancer |
| *.apps.mycluster.ibmgsi.com | IP of external proxy load balancer |
Step 4 Setup SMB Server on Helper Node
The VSI needs to host an SMB share to allow the bare metal server management system to mount it. It is also possible to mount ISOs from your local workstation, but it is less convenient in most cases as it requires extra software to be installed.
To set up SMB on the VSI:
- Install the packages with
yum install samba samba-client samba-common
- Create a group for SMB users
groupadd smbgrp
- Create an SMB user called e.g. coreos with the command
useradd coreos -G smbgrp
- Set an SMB password for the user with
smbpasswd -a coreos
- Create a folder to hold the shared files e.g.
/share/coreos
- Change the permissions of the shared folder:
chmod 777 /share/coreos
- Add the following to /etc/samba/smb.conf:
[coreos]
path = /share/coreos
valid users = @smbgrp
guest ok = no
writable = yes
browsable = no
- Under the
[global]
section in smb.conf, add the linentlm auth = yes
. This is an insecure protocol, but it is required because the IPMI console will try to use it when it mounts the ISO as a virtual DVD. - Start the SMB services with
systemctl start smb.service
andsystemctl start nmb.service
- Enable the services to start on boot with
systemctl enable smb.service
andsystemctl enable nmb.service
Step 5 Setup HTTP Servers on Helper Node
This is required to allow the nodes to access their configuration files when they are installing.
- On the VSI, install apache
yum install httpd
- Start the server ‘systemctl start httpd’
- Enable the service permanently
systemctl enable httpd
Step 6 Setup Docker on Helper Node
Docker is not specifically required for the installation process, however these instructions use a utility called filetranspiler which is written in Python, and distributed as both Python source and a container image. In the spirit of the modern containerised world it was decided to use the container version which will be described here. However those familiar with Python may wish to use the source directly. Consult the github repo at https://github.com/ashcrow/filetranspiler for instructions on using Python directly. We will proceed with docker here.
- Install docker with
yum install docker
- Start docker with
systemctl start docker
- Enable docker on restart with
systemctl enable docker
Step 7 Obtaining the installation files
Openshift 4.x uses Red Hat Core OS. To install CoreOS on a machine, the machine must boot from an ISO with configuration parameters suppled to a GRUB-like bootloader. The ISO will then download an ignition file and an OS image which it will will write to the disk. The ignition file contains configuration for the server. When the machine is rebooted CoreOS will boot and join the cluster as specified in the ignition file.
There are two version of the OS disk image - one for BIOS and one for UEFI. These instructions will use the BIOS version but the process should be the same for UEFI.
The ignition files are created by a utility called openshift-install
which along with the ISO and the OS images is downloadable from Red Hat.
These instructions will conduct the installation from the VSI although it is possible to do this from a local workstation if desired, however the VPN must be correctly configured to allow this.
Visit https://cloud.redhat.com/openshift/install/metal/user-provisioned to download the following:
- The Openshift installer (Linux version)
- Your pull secret
- The Openshift command line tool (oc) (Linux version)
Run all these files and make sure its installed on Helper Node.
From the same page, click on the Download RHCOS link to get to the download archive. From this page, download the following, where
- rhcos-
-x86_64-installer.x86_64.iso - rhcos-
-x86_64-metal.x86_64.raw.gz
Place the files in the appropriate locations
- Copy the installer ISO
rhcos-<version>-x86_64-installer.x86_64.iso
to the SMB share e.g./share/coreos
- Copy the disc image
rhcos-<version>-x86_64-metal.x86_64.raw.gz
to the HTML server directory/var/www/html
In my installation, I have used OpenShift 4.5.6. Files :
rhcos-4.5.6-x86_64-installer.x86_64.iso
rhcos-4.5.6-x86_64-metal.x86_64.raw.gz
Step 8 Configure VPN Connectivity from your local mac machine
The web-based IPMI console for managing the bare metal servers is available via a management IP address which is on the same subnet as the servers themselves. To access this from your local workstation a VPN connection is required.
Configure VPN for your subnet
- Click on Catalog -> Classic Infrastructure -> Network -> IPSec VPN.
- In the top right, click ‘Order VPN’, and select your data center from the list.
- Once the VPN is available, click on its name in the list. On the following configuration page it is not necessary to enter anything in the Remote Peer Address field.
- The Customer Subnets list is a white-list of the IPs from which connection is allowed. Enter a suitable CIDR.
- The Hosted Private Subnets section is a list of the subnets to which this VPN will allow access. Click on ‘Add Hosted Private Subnet’, then in the dialog box find the subnet on which your servers are and click the Add link.
- In my setup its
<IP_ADDRESS>/26
. - Click on Update Device in the bottom right.
Get Credentials for VPN
Now the endpoint is configured, a username and password will be required to connect. VPN access is granted to users via the access management page.
- At the top of the screen click on the Manage drop-down and select Access (IAM). On the next screen click on Users.
- Select your user from the list.
- On the user details page, scroll down to VPN password and enter a password.
- By default you have access to all subnets on which the devices to which you have access are situated. The account owner has access to all the devices.
To connect to the VPN, an IPSec VPN client is required such as MotionPro which is a free download. The software requires an endpoint address, a username and password.
- To find your endpoint address, go to https://cloud.ibm.com/docs/iaas-vpn?topic=iaas-vpn-available-vpn-endpoints and select the appropriate endpoint for your data centre.
- The username and password are those configured in the IAM screen earlier in this section.
In my case, where my vlan is on Dallas13, I should use ‘vpn.dal.softlayer.com’
Step 9 Configuring installation
Create a file called install-config.yaml, and add the following content, substituting the appropriate values. Set the number of worker nodes in this file to zero even though we are adding worker nodes later. Make sure that the cidr of the cluster network does NOT overlap with the subnet of your bare metal machines. The service network can be left as it is. The SSH key is the public part of the one created in step 1.
Here is example of my environment install-config.yaml
apiVersion: v1
baseDomain: ibmgsi.com
compute:
- hyperthreading: Enabled
name: worker
replicas: 0
controlPlane:
hyperthreading: Enabled
name: master
replicas: 3
metadata:
name: mycluster
networking:
clusterNetwork:
- cidr: <IP_ADDRESS>/16
hostPrefix: 26
networkType: OpenShiftSDN
serviceNetwork:
- <IP_ADDRESS>/16
platform:
none: {}
pullSecret: 'xxx'
sshKey: 'ssh-rsa yyy'
- xxx = Use pullSecret from previous step.
- yyy = Use ssh key which we created at the beginning of this document, its public part.
Please note that CIDR in above file shouldn’t clash with existing CIDR. Hence we have choose to use <IP_ADDRESS>/16. If you use /8, there would be a problem
- Create an install directory e.g.
install01
. This is the working directory for the openshift installer. Make a copy of install-config.yaml and place it in this directory. - Create manifests
openshift-install create manifests --dir=install01
. Ignore the warning about no compute nodes. - Edit
install01/manifests/cluster-scheduler-02-config.yml
and change the parametermastersSchedulable
tofalse
. - Create ignition config files with
openshift-install create ignition-configs --dir=install01
This will create bootstrap, master and worker ignition files that are suitable for use with DHCP. However this cluster must use static IPs, so each node must have its own ignition file with that static IP written into it. The static IP must be the same IP as assigned to the server by IBM Cloud.
Ignition files are not human readable, so it is best to use a utility for this. As mentioned above, these instructions will use filetranspiler available from https://github.com/ashcrow/filetranspiler - but other tools may be available. Filetranspiler works by taking files from a ‘fakeroot’ directory and including them into the ignition file.
- Make a directory e.g.
filetranspiler
and change to it. git clone https://github.com/ashcrow/filetranspiler
- Build the docker image
docker build . -t filetranspiler:latest
- Make another directory to contain the fake roots e.g.
fakeroots
The following tasks are repetitive and may be scripted, and a script to help is available in this repository at http://XXXX. The steps in the script will be described below. For each machine i.e. bootstrap, three masters and three workers, do the following steps:
- Create a standard interface configuration file for the static network in the fakeroot directory
cat > fakeroots/<machine name>/etc/sysconfig/network-scripts/ifcfg-eno1 << EOF DEVICE=eno1 BOOTPROTO=static ONBOOT=yes IPADDR=<ip address> PREFIX=<subnet prefix> NETMASK=<netmask> GATEWAY=<VSI IP> DNS1=<VSI IP> DNS2=<IP_ADDRESS> DOMAIN=mycluster.mydomain.com DEFROUTE=yes IPV6INIT=no HOSTNAME=<node name>.mycluster.mydomain.com EOF
In my environment, here is one of file: ifcfg-eno1 for bootstrap host.
Similarly create total 7 files.
- Copy these files to /var/www/html
Step 10 CoreOS installation on all 7 Bare Metal servers
Installing CoreOS is a two stage process. Firstly, the system boots from the ISO. At this point, basic installation parameters must be entered on the command line to enable networking. The system then downloads an ign file and an OS image from the HTTP server, writes the image to the specified disk and configures the system according to the ign file with networking and the cluster details. When the system reboots from the disk, the system will adopt the role defined in the ign file, either bootstrap, master or worker. The master and worker nodes will contact the bootstrap node which will orchestrate the assembly of the cluster.
Before you begin here, please make sure to connect the VPN via your IPsec client mentioned in step 8
For each node - bootstrap, three masters and three workers (in that order), complete the following steps:
Step 10.1 Prepare Bootstrap Server for CoreOS
- Go to the Classic Infrastructure page on IBM Cloud and select Devices then Device List. Select a device - starting with the bootstrap device.
- Select Remote Management from the left hand menu. Under Management Details there is a password - select Show and then copy the password.
- From the Actions drop-down in the top right, select KVM Console. In the resulting log in screen, enter ‘root’ for the user and paste the password. The IPMI console should appear.
Step 10.2 IPMI Console, Setup CDROM with CoreOS iso Image
- Under Remote Control select Power Control. Use the menu to power the server off if it is running.
- Under Virtual Media, select CD-ROM image. There should be listed three devices with no disk emulation set. If not, contact support to un-mount any unwanted images.
- Enter the details of the SMB share: for host, enter the VSI IP; for the path enter the share name and filename of the ISO e.g. /coreos/rhcos–x86_64-installer.x86_64.iso; enter the username and password set for the SMB user in step
- Click Save then Mount. If the mount was successful, Device 1 in the list of devices should report that an image is mounted.
- Under Remote Control at the top of the screen, select iKVM/HTML5. Then on the next screen click the iKVM/HTML5 button.
- A pop-up window will appear with a menu and a blank screen.
Step 10.3 IPMI Console, boot from CDROM and add boot options.
- In the menu select Power Control then Set Power On.
- The CoreOS installer should boot.
Please note: In some cases, you may need to press F11 (or some other function key) key to enter to boot menu Please use on screen key board as mentioned in below image
- Hit enter for CDROM option.
- You will be prompted for option of ‘Install RHEL CoreOS’
-
Use tab, to append addition parameters to the installer.
- Add following additional parameters depending on which Node is being set.
- Options are:
ip=machine IP::gateway:subnet:hostname:network adapter:none:nameserver coreos.inst.install_dev=install device coreos.inst.image_url=OS image URL coreos.inst.ignition_url=ignition file URL
In my environment, here are the parameters, for Bootstrap Node :
ip=<IP_ADDRESS>::<IP_ADDRESS>:<IP_ADDRESS>:baremetal:eno1:none:<IP_ADDRESS> coreos.inst.install_dev=sda coreos.inst.image_url=http://<IP_ADDRESS>/rhcos-4.5.2-x86_64-metal.x86_64.raw.gz coreos.inst.ignition_url=http://<IP_ADDRESS>/baremetal.ign
Please note: If you hate typing such big command everytime, you can use mac ‘Script Editor’ Look at this page for more information How to reduce typing on IPMI Console
Step 10.4 IPMI Console, complete the installation and make sure server boots with CoreOS.
Once the installation is complete, the server would reboot. During re-boot, make sure you unmount CDROM, so that server would follow normal boot sequence of CoreOS.
At this moment, your bootstrap server has completed installation.
- Monitor the bootstrap process with
openshift-install --dir=install01 wait-for bootstrap-complete --log-level=debug
Step 11 Install CoreOS on Master and Worker Nodes.
- Follow 10.1, 10.2, 10.3 for all masters and worker nodes.
- Use following parameters depending on which node you are Configuring.
- For Baremetal2 which is master node
BAREMETAL2 => Master Node 1
ip=<IP_ADDRESS>::<IP_ADDRESS>:<IP_ADDRESS>:baremetal2:eno1:none:<IP_ADDRESS> coreos.inst.install_dev=sda coreos.inst.image_url=http://<IP_ADDRESS>/rhcos-4.5.2-x86_64-metal.x86_64.raw.gz coreos.inst.ignition_url=http://<IP_ADDRESS>/baremetal2.ign
BAREMETAL3 => Master Node 2
ip=<IP_ADDRESS>::<IP_ADDRESS>:<IP_ADDRESS>:baremetal3:eno1:none:<IP_ADDRESS> coreos.inst.install_dev=sda coreos.inst.image_url=http://<IP_ADDRESS>/rhcos-4.5.2-x86_64-metal.x86_64.raw.gz coreos.inst.ignition_url=http://<IP_ADDRESS>/baremetal3.ign
BAREMETAL4 => Master Node 3
ip=<IP_ADDRESS>::<IP_ADDRESS>:<IP_ADDRESS>:baremetal4:eno1:none:<IP_ADDRESS> coreos.inst.install_dev=sda coreos.inst.image_url=http://<IP_ADDRESS>/rhcos-4.5.2-x86_64-metal.x86_64.raw.gz coreos.inst.ignition_url=http://<IP_ADDRESS>/baremetal4.ign
BAREMETAL5 => Worker Node 1
ip=<IP_ADDRESS>::<IP_ADDRESS>:<IP_ADDRESS>:baremetal5:eno1:none:<IP_ADDRESS> coreos.inst.install_dev=sda coreos.inst.image_url=http://<IP_ADDRESS>/rhcos-4.5.2-x86_64-metal.x86_64.raw.gz coreos.inst.ignition_url=http://<IP_ADDRESS>/baremetal5.ign
BAREMETAL6 => Worker Node 2
ip=<IP_ADDRESS>::<IP_ADDRESS>:<IP_ADDRESS>:baremetal6:eno1:none:<IP_ADDRESS> coreos.inst.install_dev=sda coreos.inst.image_url=http://<IP_ADDRESS>/rhcos-4.5.2-x86_64-metal.x86_64.raw.gz coreos.inst.ignition_url=http://<IP_ADDRESS>/baremetal6.ign
BAREMETAL7 => Worker Node 3
ip=<IP_ADDRESS>::<IP_ADDRESS>:<IP_ADDRESS>:baremetal7:eno1:none:<IP_ADDRESS> coreos.inst.install_dev=sda coreos.inst.image_url=http://<IP_ADDRESS>/rhcos-4.5.2-x86_64-metal.x86_64.raw.gz coreos.inst.ignition_url=http://<IP_ADDRESS>/baremetal7.ign
- Monitor the bootstrap process with
./openshift-install --dir=install01 wait-for install-complete --log-level=debug
Step 12 validation of environment and some of manual steps to complete the installation.
Connect to OCP Cluster from Helper Node.
- On the Helper Node, change directory to install01/auth
- You will find a file named ‘kubeconfig’
- On command prompt.
export KUBECONFIG=/root/OCPInstall3/install01/auth/kubeconfig
(Select correct directory for kuebconfig) - Run command
oc get nodes
Check if all 6 nodes are ready or not. - Run command
oc get pods -A
Check if any issue to any pod. - Run command
oc get clusteroperator
Check if AVAILABLE is true for all operators.
In my installation I got this, where many clusteroperator were showing unknowm or False.
[root@ocp-bastion OCPInstall3]# oc --kubeconfig ./install01/auth/kubeconfig get clusteroperator
NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE
authentication Unknown Unknown True 8h
cloud-credential 4.5.7 True False False 8h
cluster-autoscaler 4.5.7 True False False 3h52m
config-operator 4.5.7 True False False 3h52m
console 4.5.7 Unknown True False 3h56m
csi-snapshot-controller
dns 4.5.7 True False False 8h
etcd 4.5.7 True False False 4h
image-registry 4.5.7 True False False 3h54m
ingress False True True 3h54m
insights 4.5.7 True False False 3h54m
kube-apiserver 4.5.7 True False False 3h57m
kube-controller-manager 4.5.7 True False False 8h
kube-scheduler 4.5.7 True False False 8h
kube-storage-version-migrator 4.5.7 False False False 8h
machine-api 4.5.7 True False False 3h54m
machine-approver 4.5.7 True False False 4h2m
machine-config 4.5.7 True False False 8h
marketplace 4.5.7 True False False 3h54m
monitoring False True True 3h49m
network 4.5.7 True False False 8h
node-tuning 4.5.7 True False False 8h
openshift-apiserver 4.5.7 True False False 3h56m
openshift-controller-manager 4.5.7 True False False 3h54m
openshift-samples 4.5.7 True False False 3h50m
operator-lifecycle-manager 4.5.7 True False False 8h
operator-lifecycle-manager-catalog 4.5.7 True False False 8h
operator-lifecycle-manager-packageserver 4.5.7 True False False 4h1m
service-ca 4.5.7 True False False 8h
storage 4.5.7 True False False 3h54m
If you run into same issue:
- Run command ‘oc get csr’ Check if all csr are Approved or Pending.
- If Pending, you can approve them manually using following command.
-
“oc get csr -o go-template=’\n’ xargs oc adm certificate approve” - Please check the csr status few times, if new csr is created, you need to approve that as well.
- Run command ‘oc get clusteroperator’ Check if AVAILABLE is true for all operators.
Step 13 : Access the OCP console
In previous step we ran following command.
- ‘openshift-install –dir=install01 wait-for install-complete –log-level=debug’
- This should show you following message on successful install.
DEBUG Cluster is initialized
INFO Waiting up to 10m0s for the openshift-console route to be created...
DEBUG Route found in openshift-console namespace: console
DEBUG Route found in openshift-console namespace: downloads
DEBUG OpenShift console route is created
INFO Install complete!
INFO To access the cluster as the system:admin user when using 'oc', run 'export KUBECONFIG=/root/OCPInstall3/install01/auth/kubeconfig'
INFO Access the OpenShift web-console here: https://console-openshift-console.apps.mycluster.ibmgsi.com
INFO Login to the console with user: "kubeadmin", and password: "xxxxx-xxxxx-xxxxx-xxxxx"
INFO Time elapsed: 0s
If you own the Domain Name and you have updated the DNS records, as mentioned in Step # 3, you are good to connect to console or access any route. Else you may need to update /etc/hosts, on your client machine (e.g.mac) and add console route with external load balancer IP address.
Resources
- Installation Document from RH
-
https://docs.openshift.com/container-platform/4.5/installing/installing_bare_metal/installing-bare-metal.html
- Special Thanks for the following document. Most of content is reused from following two URLs. https://github.com/IBMIntegration/IBM-CP4I-OpenShift-BareMetal-Native https://www.openshift.com/blog/openshift-4-bare-metal-install-quickstart


| Contact Name | Business Name | Date Added | City | Status | |
|---|---|---|---|---|---|
| Entities Addition Requests | |||||
| {{retail_partner.contact_name}} | {{retail_partner.business_name}} | {{retail_partner.created_at | date:'dd-MM-yyyy'}} | {{retail_partner.city}} | {{retail_partner.status===1 ? "Pending Approval" : "Inactive"}} | |
| Entities Deletion Requests | |||||
| {{retail_partner.contact_name}} | {{retail_partner.business_name}} | {{retail_partner.created_at | date:'dd-MM-yyyy'}} | {{retail_partner.city}} | {{retail_partner.status===1 ? "Delete Approval" : "Inactive"}} | |
| Entities Edit Requests | |||||
| {{retail_partner.contact_name}} | {{retail_partner.business_name}} | {{retail_partner.created_at | date:'dd-MM-yyyy'}} | {{retail_partner.city}} | {{retail_partner.status===6 ? "Pending Approval" : "Inactive"}} |


For what?
Syntax
while (condition) {
//code block to be executed
}
Example
while(confirm("Do you want a kiss?")) {
document.getElementById("cheek").innerHTML +="KISS ";
}
Syntax
for (initialization; condition; update) {
//code block to be executed
}
Example
for(var i=0; i<100; i++) {
document.getElementById("cheek").innerHTML +="KISS ";
}
How to choose?
How to avoid them?


Stardust Odyssey is going to be released in December for PSVR
by Aran SuddiAgharta Studio has confirmed it will be releasing the PSVR title Stardust Odyssey on December 3rd, allowing players to explore a fantasy universe. The story of the game is that there is a darkness in the Abyss that needs to be watched out for but players will be navigating around large merchant convoys searching for treasures.
Stardust Odyssey will be playable solo or in co-op mode with 14 levels to explore for the treasures and ethers to upgrade your spaceship. The levels will have bosses to fight which is why you’ll need to upgrade the ship as they are deemed to be tough. Alongside the bosses are traps that need to be watched out for.
Stardust Odyssey was announced earlier this year in a Sony State of Play.
Source: YouTube


US EPA Linked Open Data Samples - Facilities By Zip
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 Let's face it, planning trips can be a big task and when you add the expectations of the bride to be, and your closest friends -
there is no room for error. Picture this: After a long day at work, finally home for the evening and all you'd like to do is relax with a glass of wine and watch your guilty pleasure tv shows or finish the next chapter
in your current read. Well not so fast, have you forgotten you have a bachelorette party to plan in a city you've never visited?! Set your DVR to record, keep your mark in that book, and grab that glass of wine because you
will need it to get your through the many, many websites you will be perusing through to make this a memorable trip for everyone. You can take that stressful route, or you can trust me to do all the work!! After answering
a few questions during a quick discussion with "yours truly”, you can get back to your quiet evenings of relaxing after a long day at work! We will choose everything from accommodations and daily activities, to dinners and night
life; after we have decided what will best suit the entire party, I will get to planning. It's that simple!
My passion for joining in on the bachelorette fun stems from a fun adventure that occurred during my first month
in this amazing city. I was out on Rainey with friends and saw three girls decorated with the classic bachelorette accessories, quietly sitting in deep conversation. I thought to myself, "These girls need some (fun/sassiness) in
their lives!" After approaching them, getting a conversation going, and a round of shots - they were having the party they planned for. We exchanged fun stories, had lots of laughs and the ladies made a few new friends.
We also swapped numbers, and the following night I picked them up from the W Hotel and we hopped around West 6 street, the hip down town place to be. They were awesome to let me join in on the fun, and they we thrilled I took the
time to show them around town. (insert 1st bachelorette party picture)
Fast forward 3 years and I have explored Austin in all its glory! There are fun day events and the night life is even better. The city offers foodies
a delicious experience in casual and fine dining, and the food trucks are one of a kind. Daily adventures range from boat parties, paddle boarding, and party bike rides. Night life is fast paced and exciting; you can
parade the party down West 6th street or take a different route to the historic "Dirty" 6th Street or the always fun Rainey Street. No matter where this bachelorette weekend takes you trust that the "Sassy" experience is
the way to go!


using System; namespace Conditions.DTOs { /// <summary> /// Data Type Object Class for the representation of a condition set /// </summary> [Serializable] public class ConditionSetDTO { /// <summary> /// The logical quantifier of this condition set. /// Used to change how the entier condition set is evaluated. /// </summary> public LogicalQuantifier Quantifier { get; set; } /// <summary> /// The conditions to be evaluated as a single set. /// </summary> public string[] ConditionSet; } }


Action
enum class Action
Robot actions
Failure
data class Failure<T> : Result<T>
If the result is a failure
Result
sealed class Result<T>
Result of a computation
Success
data class Success<T> : Result<T>
If the result is a success


Joe Dante’s ‘Gremlins’ Returning to Theaters for One Week Run in 4DX This Holiday Season
by John SquiresWhile we wait for the animated prequel series “Gremlins: Secrets of the Mogwai,” we’ve learned tonight that Joe Dante‘s original classic is coming back to theaters for Christmas!
Regal has announced that they are bringing the original Gremlins back to the theaters this holiday season in 4DX for a one week run from December 5th – December 11th.
4DX at Regal is the ultimate experience involving motion chairs and special effects like wind and rain.
Tickets are on sale now, so be sure to check local theater listings.
You can also pick up Gremlins on 4K Ultra HD, released last month!


See how we're reinventing the way teams activate influencer marketing campaigns.
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campaign lists, approval statuses, pricing,
contracts, posting schedule,and more.
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systems that power the NeoReach
application. Integrate NeoReach data into
your internal workflows and dashboards.
If you are new to influencer marketing or just need to run ideas by other experienced pros,we offer customizable solutions for every aspect of the influencer marketing process.
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large brands and
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solution backed by
experienced support. Get in touch
with one of our product specialists to start reviewing
your organization’s requirements.
- Ryan Faber, Fanduel
Submit the form below, tell us a bit more about
your business, and we’ll be in touch
shortly.
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SHY PEOPLE A film review by Evelyn C. Leeper Copyright 1988 Evelyn C. Leeper
As you watch SHY PEOPLE, you're sure you know what it's about. Don't be so sure. At the end, it makes a right turn in another direction entirely. This is not bad, just unexpected.
Jill Clayburgh is a writer for COSMOPOLITAN who decides to visit her distant relatives in Louisiana as research for a series on family roots that she is doing. She drags her teen-age daughter along to get her away from the daughter's 45-year-old boyfriend and they head off into the swamp. There she finds her cousin, played by Barbara Hersey. Hersey rules her family with an iron hand, and a somewhat odd family it is. One son has left the swamp and is treated as dead by Hersey, one son is kept locked in the shed, one son is "missing a button," and one son is trying to trap enough crayfish to keep the family fed. Clayburgh and her daughter have difficulty understanding the life their cousins lead; for their part, Hersey and her sons look askance at Clayburgh and city people in general. (They keep saying Hersey comes from Baltimore, even though she repeatedly tells them she is from New York, probably to soften the blow of having "Yankee" city relatives.)
Some of the subplots seem unnecessary, but they all fit together in the end. Only Hersey's character is fully developed. Clayburgh doesn't seem to know how to play her character and remains unconvincing (or perhaps vague is a better term) through most of the film. Hersey's sons and Clayburgh's daughter seem more like types than characters, but the wonderful acting job by Hersey manages to overcome these flaws and make this a film worth watching.
Evelyn C. Leeper<PHONE_NUMBER> att!mtgzy!ecl or<EMAIL_ADDRESS>The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


Values
When exploring my own values, at the times I have been the happiest and most satisfied in my life those values have been compassion, romance, friendships, helping other people, location, stability, volunteering, and accomplishment. Yes, I know those are a lot of values but they are the most important to me.
I feel like compassion is one of the most important values as showing compassion can not only make you feel happier and more satisfied, but will do the same for whoever or whatever you are showing compassion for. Compassion is a value which encompasses so many others such as helping others, empathy, community, peace, and respect (to name a few). Compassion is so very important in society today. Having compassion motivates people to help others and promotes community and peace.
In general, I try to live up to these values:
Disagree 1 ----- 2 ----- 3 ----- 4 ----- 5 Agree
- compassion: 4
- romance: 4
- friendships: 3
- helping other people: 3
- location: 3
- stability: 4
- volunteering: 2
- accomplishment: 4
The last topic that someone asked for my advice on was what medical specialty my fiance should go into. He is trying to figure out which specialty makes the most sense for him to pursue. He loves interacting with patients so internal medicine would be ideal but he also wants to do anesthesia so he is not sure which one to pursue.
When I think about my values, I feel like I am not doing nearly enough! I want to show more compassion and work on my friendships and romance and I really want to volunteer. As far as accomplishment I have been at a standstill but am really working on this by attending DBC. Location is important to me but I can't really control it at the moment. We move wherever my fiance needs to go for school. I love stability and have it with most of my relationships but not with my career or living situation so I hope to have this in the near future as well.
I am not sure what relationship my values might have with stereotype threat except to remember how accomplished I am and be proud of myself. I should also remember that I am very lucky in so many other aspects of my life so I should never think lesser of myself. When I am feeling down at DBC I plan to lean on my family and friends for encouragement and definitely exercise and do yoga!


Admin
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Dashboard Approve/Reject a request
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Arrays and Hashes
What are they and which is best?
Friday, March 4 2016
Arrays and hashes can be difficult to distinguish from eachother. They are both ways of storing information in one area. However, they do have their differences and best instances to be used. Here we will be briefly looking over those!
You can think of arrays like lists, in which the most important information are the values themselves.In arrays its not as important to label those values a certain way
ex. array = [ 1,2,3]
Hashes are more like pairs of information since you can specify the value as well as the key assigned to that value.
ex.
hash = {
:one => 1,
:two => 2,
:three =>3,
}
Notice in hashes the key value, which is on the left, is shown because it is manipulatable and therefore gives the coder more control.
Arrays and hashes can be difficult to distinguish from eachother. They are both ways of storing information in one area. However, they do have their differences and best instances to be used. Here we will be briefly looking over those!
You can think of arrays like lists, in which the most important information are the values themselves.In arrays its not as important to label those values a certain way
ex. array = [ 1,2,3]
Hashes are more like pairs of information since you can specify the value as well as the key assigned to that value.
ex. hash = { :one => 1, :two => 2, :three =>3, }
Notice in hashes the key value, which is on the left, is shown because it is manipulatable and therefore gives the coder more control.


| CaptureTest.testPrimitiveVsObjectCaptureTest.testPrimitiveVsObject |
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| CaptureTest.testCaptureFirstCaptureTest.testCaptureFirst |
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| CaptureTest.testCaptureFirstCaptureTest.testCaptureFirst |
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12733222447938 mai 14:37:24 |
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| CaptureTest.testCapture_2617107CaptureTest.testCapture_2617107 |
12733222359118 mai 14:37:15 |
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| CaptureTest.testCaptureRightOneCaptureTest.testCaptureRightOne |
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0.00800,008 |
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| CaptureTest.testCaptureAllCaptureTest.testCaptureAll |
12733222358858 mai 14:37:15 |
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0.00100,001 |
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| CaptureTest.testCapture1_2446744CaptureTest.testCapture1_2446744 |
12733222359208 mai 14:37:15 |
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| CaptureTest.testCapture_2617107CaptureTest.testCapture_2617107 |
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| CaptureTest.testCaptureNoneCaptureTest.testCaptureNone |
12733222358878 mai 14:37:15 |
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| CaptureTest.testCaptureAllCaptureTest.testCaptureAll |
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| CaptureTest.testCaptureMultipleCaptureTest.testCaptureMultiple |
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0.00 |
|


5
McDonald's
Logout
General
Dashboard
Dispatcher
Restaurant
Addons
Addons List
Add Addons
Category
Category List
Add Category
Product
Product List
Add Product
Deliveries
Edit Shop
Name
E-Mail Address
Cuisine
Italian
Indian
Punjabi
The Kitchen
test
Quick Serve
test
Punjab, Desi, Burger
xcvxvcx
Phone
Password
Confirm Password
Status
Onboarding
Active
Everyday
Everyday
Shop Opens
Shop Closes
Sunday
Shop Opens
Shop Closes
Monday
Shop Opens
Shop Closes
Tuesday
Shop Opens
Shop Closes
Wednesday
Shop Opens
Shop Closes
Thursday
Shop Opens
Shop Closes
Friday
Shop Opens
Shop Closes
Saturday
Shop Opens
Shop Closes
admin.shops.create.image
Shop Banner
Is Pure Veg ?
No
Yes
Min Amount
Offer in Percentage
Max Delivery Time
Description
McDonald's restaurants are found in 120 countries and territories around the world and serve 68 million customers each day.
Location
Address
Triplicane, Chennai, Tamil Nadu, India
Cancel
Save


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(current)
Contact
About
Services
Gallery
Book Appointment
Blog
What we do
Beauty
Nails
Hair
Beauty Packages
Spa Treatment
Treatment Includes
Sauna
Facial massage
Envigorating Aloe mask
Book Now
Spa Treatment
Treatment Includes
Sauna
Facial massage
Envigorating Aloe mask
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Spa Treatment
Treatment Includes
Sauna
Facial massage
Envigorating Aloe mask
Book Now
Spa Treatment
Treatment Includes
Sauna
Facial massage
Envigorating Aloe mask
Book Now
Spa Treatment
Treatment Includes
Sauna
Facial massage
Envigorating Aloe mask
Book Now
Spa Treatment
Treatment Includes
Sauna
Facial massage
Envigorating Aloe mask
Book Now
Locations
Oregon
Texas
Social
Contact
Example Inc.
1234 Example Street
Oregon, Example 0987
P:
(123) 456-7890
Beyond Beauty
<EMAIL_ADDRESS>Copyright © Beyond Beauty


Two factor authentication is a hassle I can do without
People who hold this misconception see Two Factor Authentication (2FA) as not being worthwhile, possibly because
they do not understand how, and the extent to which, it makes attacks against authentication harder. They also might
underestimate the value of their data or their likelihood of being a target, which may make the hassle of 2FA seem
unnecessary and wasteful. Two factor authentication may be inconvenient, but it provides a much stronger form of
authentication by requiring both something the user knows (usually their login credentials of username and password)
and something the user has (usually a cell phone or device). While it may be easy to steal one of the two factors,
it’s simply much harder to steal both. It’s also impractical to steal both factors on a large scale (you might be
able to steal a database with millions of passwords, but it’s not possible to also steal all those users’ phones).
If we recognize that 2FA makes authentication attacks meaningfully harder, and we recognize the value of our data
and access, then 2FA is a strategy worth considering very carefully.


Ashley Wilson is the creator of Olivine Marketing. With 8 years of marketing experience in the SaaS / technology space, she loves taking complex technical products and building a story that engages developers and enterprises alike.
Prior to Olivine, Ashley was an early employee at Sauce Labs, where she held roles in marketing, sales and biz dev. During her time as Head of Marketing, she created a well-loved brand in the software development space and organized dozens of developer-focused meetups and conferences. Ashley is also a singer-songwriter and avid traveler.
Paula, who handles creative direction and design for Olivine, is a Brazilian design consultant specializing in Art Direction, UI/UX, Visual Design and Branding with 10+ years of experience with a strong background in graphic design. Her approach is creating visual concepts that integrate brand and experience to drive user engagement.
Paula’s passions are fashion, photography, technology and she loves to leave all that to escape to nature.
Todd Wilson is Olivine’s Executive Producer and the owner of Fraser Film Group, the full-service production company that handles all our videos. Todd’s 25+ years of experience as an award-winning producer, director and cameraman is broad and deep, and his unique approach to storytelling and filmmaking has served his clients well.
As the operating partner at Creative Digital Group in Atlanta, acquired by LBi in 2008, the company flourished and was recognized as a powerhouse in marketing. Since then, Todd has directed, filmed and produced work for a wide array of clients, including Home Depot, Simmons Bedding, Graco, GlaxoSmithKline, and Sauce Labs. He is one of the co-producers of Black Road, a feature film released in the fall of 2015.
Raechel, who helps with product marketing and handles product launches for Olivine, drove some of Intercom's largest product releases and has worked for technical products in the developer tools space.
Formerly she worked in finance and brings her analytical mindset and focus on business goals to her work in marketing.
Raechel is passionate about sustainable living and shares her insights at smallspacebigtaste.co.


Not everything can be learned in a class. We’ve gathered the best and the brightest from around the creative world to share their insight and demonstrate the tips and tricks they’ve learned from in the field. Every session at Thought At Work is built to help you succeed in your industry, explore new techniques and styles, or even branch out into a new field.
You’ve got a portfolio, we’ve got feedback. By filling a room with portfolio wizards (working professionals), we provide a venue to discuss and be taught how to craft a portfolio that’ll knock the socks off anyone who sees it. Bring your work!
It’s back.  Friday night, the specially drafted group of creative contenders will flex their artistic muscles as they compete for the coveted Sketchoff prize.
Need to clear your cache? Not sure what to do in between workshops? We designed the Lounge from the ground up with conference attendees in mind, making it the perfect place to relax, have some coffee, chat with other attendees, or try your hand at the exotic sport of Ping-Pong.
Coming from out of town? There’s a pretty decent selection of hotels near RIT that would make for a comfortable home base. Airbnb is another suitable option.
**COUCH SURFING UPDATE: due to an unusually high number of couch surfing requests, we can't take any more applications until further notice (or until we find bigger couches). Thank you for understanding!
The conference comprises three days and two nights in autumnal Rochester, so pack accordingly. We recommend having a sketchbook and favorite writing utensil, and you should consider bringing your laptop as well. Bring business cards if you have them. Grab a camera if you want it to last longer. If you’re couch surfing, you might want your own pillow, blanket, and toiletries. Bring that creative appetite and bring a few friends.
RIT is located at 1 Lomb Memorial Drive, Rochester, NY 14623. Look up RIT on your phone. Greater Rochester International Airport is about 20 minutes away. If you’re crashing on one of our couches, contact your couch owner once you get here.
Guest parking will be lots E and H. When you get to campus, there will be signs to direct you to parking and check-in in Booth Hall (Building 7A). If you're getting here friday, you'll have to grab a free visitors pass from the welcome center. Our check-in table opens at 9am on Friday morning, and our opening reception will be at 11:45 am.
Upon check-in, you’ll be provided with a lanyard for entry into the events and workshops, a name tag, and a brochure with more information and a schedule. You’ll need your lanyard every day to enter workshops and other events.
Until the world finally embraces the pragmatism of meal-replacement formula, actual food will continue to be an important part of any weekend. At the conference, meals will be provided on several occasions (with vegetarian options). You can count on Friday night dinner and Saturday lunch, as well as light breakfasts on Saturday and Sunday. You might be on your own Saturday evening, and we can’t be responsible for snacks, second breakfast, elevenses, luncheon, afternoon tea, etc.


WOMEN COLLECTION
Moschino Cheap And Chic
Compellingly actualize fully researched processes before proactive outsourcing. Progressively syndicate collaborative architectures before cutting-edge services. Completely visualize parallel core competencies rather than exceptional portals.
MATERIAL: COTTON
DESIGNER: BINBURHAN


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Small, dog-friendly place specializing in American food, offering a covered patio & a canine menu.
Phone:<PHONE_NUMBER> Address: 1438 NE Alberta St Portland, OR Webpage: tinshedgardencafe.com


About the project
Weever is a forum software written in Python with Twisted and Nevow. It aims to be standard compliant and easy to use and manage.
For more information please visit the Project page.
Here you will find some screenshots of Weever in action with the standard Passion Theme.
News
- 2005-01-08 First public version released
- Version 0.1 of Weever has been released. Please check the release notes and download it.
How to get support
Please subscribe to Weever users mailing list, Weever maintainers and other users will be glad to help you out.
About the authors
Valentino Volonghi
Main coder, local Twisted guru.
Andrea Peltrin
Official styler, HTML geek.


context
As a League of Legends fan who has been playing since Season 2 (yet somehow still can’t get past Silver), I have had the opportunity to see the many changes, big and small, that the game has undergone in the past 4 years. The changes that the client and game interface have undergone in the past year are incredible, to say the least. From an outside perspective, Riot has definitely been placing more emphasis on design — from updating outdated champion splash arts and redesigning the game client user experience to rethinking the draft pick champion select process and updating the overall visual “look”.
Throwback to the old client
As a regular player of the game and an aspiring designer, I naturally began to think about the limitations of the current game client and what could be improved on. Though the most recent updates in design already impressed me, primarily in visual design and animation, I thought there were still a few points that could be improve upon.
When I began contemplating this challenge, I actually had a lot of update ideas in mind for the current client. I wanted to focus on functionality and flow issues, rather than aesthetic and visual updates. Some primary ideas included:
- Reorganizing the store — making it more intuitive to navigate
- The opportunity to unlock skins in champion select
- Improving chat, friend, and club flow — making it friendlier with tooltip updates
- In-game settings available for change on the client for users that want to tinker with these settings without actually launching a game, or taking time from a live game
- Allowing customization of content displayed on the home page (esports, content creators, analytics — champion, game statistics)
Given all this, I suddenly came across the ongoing alpha client updates. I’m surprised I hadn’t seen this alpha earlier, but once I saw it, I was left speechless. All I can say is, kudos to the designers, and Riot is on the right track, and making continuous, intuitive, aesthetic changes. I am impressed with the investment Riot is making in design.
Since Riot’s design team is already tackling design on their own, I decided to pour my efforts in considering the mobile potential of League.
TLDR: Wanted to do redesign study on the League client, but Riot is ahead of the game and already working on amazing things, so instead, going to do redesign study on the League mobile app!
Goal: Update the mobile experience of the League of Legend's mobile app to include the demands of the fans, as well as increase experience flow and intuitiveness.


| Path: | README.rdoc |
| Last Update: | Tue Mar 25 15:14:34 -0700 2008 |
by Blake Mizerany (c) 2008 http://github.com/bmizerany/attrubates/tree/master
Arrtubates sets meta on meta for objects and adds additional rendering helpers for ActionController::Base in Rails.
* Work with Rails / Merb / Sinatra / Ramaze etc.. * low, low, LOC * no need for Rails engines * keep coupling out of the controller auto-magicly (i.e. passing locals) * keep state in models/objects
sudo gem install attrubates
./script/plugin install git://github.com/bmizerany/attrubates.git
download and extract this in ./vendor/plugins/attrubates
http://github.com/bmizerany/sinatra/tarball/master
class Foo attrubates :meta => [:show, :edit, :hide], :attrs => [:foo, :bar], :defaults => {:foo => :show, :bar => :edit, :self => :show} end
This will generate these methods on Foo:
# general attrubate(attr_name, state) attrubated # => { :foo => :show } # shows defaults by default # on foo show_foo? edit_foo? hide_foo? # on bar show_bar? edit_bar? hide_bar? # on self for overall state show_self? edit_self? hide_self? # specific setters show_attrubate(sym) edit_attrubate(sym) hide_attrubate(sym)
foo = Foo.new foo.show_foo? # => true foo.edit_attrubate(:foo) foo.show_foo? # => false foo.edit_foo? # => true
render_attrubate object, attr_name = nil, options = {}
This renders the associated partial for the object state
Options:
*Examples of use*:
Overall state
render_attrubate @foo # => render :partial => 'shared/attrubates/foo/show', :locals => { :foo => @foo }
Attribute specific state
render_attrubate @foo, :bar # => render :partial => 'shared/attrubates/foo/bar_edit', :locals => { :foo => @foo }
Passed locals
render_attrubate @foo, :locals => { :baz => some_new_object } # => render :partial => 'shared/attrubates/foo/show', :locals { :foo => @foo, :baz => some_new_object }
All together now
# app/controllers/foo_controller.rb class FooController < ApplicationController def edit_bar @foo = Foo.find(params[:id]) @foo.edit_attrubate(:bar) render :action => :show end ... end # app/views/foo/show.html.erb A bunch of html showing off all my other attribute values <%= render_attrubate @foo, :bar %> # app/views/shared/attrubates/foo/_bar_edit.html.erb <% form_for foo, :url => foo_url(foo), :method => :put do |form| %> <%= form.text_field :baz %> <%= submit_tag %> <% end %>


|
Standard Reference Data Program |
Data Gateway |
Chemistry WebBook |
|
Go To: Top, Constants of diatomic molecules, References, Notes / Error Report
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
LLK - S.G. Lias, R.D. Levin, and S.A. Kafafi
RDSH - H.M. Rosenstock, K. Draxl, B.W. Steiner, and J.T. Herron
B - J.E. Bartmess
View reactions leading to NS+ (ion structure unspecified)
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.194 ± 0.011 | LPES | Burnett, Feigerle, et al., 1982 | B |
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.85 ± 0.28 | DER | O'Hare, 1970 | RDSH |
| 8.87 ± 0.01 | PE | Dyke, Morris, et al., 1977 | Vertical value; LLK |
Go To: Top, Gas phase ion energetics data, References, Notes / Error Report
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: K.P. Huber and G. Herzberg
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Theoretical potential curves for most of the observed valence states have been calculated by Bialski and Grein, 1976. | ||||||||||||
| F 2Δ | [0.8367] 1 | [1.05E-6] | [1.4384] | F → X V | 55959.8 Z | |||||||
| Joshi, 1966; missing citation | ||||||||||||
| 56181.3 Z | ||||||||||||
| Joshi, 1966; missing citation | ||||||||||||
| J 2Σ+ | [(0.825)] 2 | [(1.449)] | J → X V | 55562 | ||||||||
| Vervloet and Jenouvrier, 1976 | ||||||||||||
| 55784 | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| E 2Πr | 3 | [0.821] 3 | [1.452] | E → X | 51154 3 | |||||||
| Joshi, 1966; missing citation | ||||||||||||
| 51330 3 | ||||||||||||
| I 2Σ+ | (44400) | [1008] | [0.6940] 4 | [5E-6] | [1.5793] | I → X R | 44050.1 Z | |||||
| missing citation; Joshi, 1966; Narasimham and Subramanian, 1969; missing citation; Vervloet and Jenouvrier, 1976 | ||||||||||||
| 44271.6 Z | ||||||||||||
| H 2Πi | (44049) 5 | 767.6 | 5.0 | [0.5972] 6 | 0.0059 | [1.75E-6] | 1.702 | H → X R | 43824.6 Z | |||
| missing citation; Jenouvrier and Pascat, 1973; Vervloet and Jenouvrier, 1976 | ||||||||||||
| 43876 | 767.6 | 5.0 | [0.5915] 6 | 0.0059 | 1.702 | H → X R | 43429.6 Z | |||||
| missing citation; Jenouvrier and Pascat, 1973; Vervloet and Jenouvrier, 1976 | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| C 2Σ+ | 43290 | [1389] | 7 | [0.8275] | 7 | [1.2E-6] | [1.4464] | C ↔ X 8 9 V | 43165.9 Z | |||
| Fowler and Bakker, 1932; missing citation; Barrow, Downie, et al., 1952; missing citation; Narasimham and Subramanian, 1969; missing citation; missing citation | ||||||||||||
| 43387.4 Z | ||||||||||||
| Fowler and Bakker, 1932; missing citation; Barrow, Downie, et al., 1952; missing citation; Narasimham and Subramanian, 1969; missing citation; missing citation | ||||||||||||
| G 2Σ- | 43346 | [879.8] Z | [0.6905] 10 | 11 | [2.5E-6] | [1.5834] | G → X R | 42956.8 Z | ||||
| missing citation | ||||||||||||
| 43178.3 Z | ||||||||||||
| missing citation | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| A 2Δr | (40046) | [934.4] Z | 12 | 12 | 12 | A ↔ X 9 R | 39688.1 Z | |||||
| Fowler and Bakker, 1932; Barrow, Drummond, et al., 1954; missing citation; Narasimham and Subramanian, 1969; missing citation | ||||||||||||
| 40005 | [943.9] Z | 8.4 H | [0.6850] | 12 | [1.5897] | 39875.7 Z | ||||||
| Fowler and Bakker, 1932; Barrow, Drummond, et al., 1954; missing citation; Narasimham and Subramanian, 1969; missing citation | ||||||||||||
| B' 2Σ+ | (36255) | (1060) | (15) | (0.78) 13 | (1.49) | B' → X | (35952) 13 | |||||
| Narasimham, Raghuveer, et al., 1975; Jenouvrier and Daumont, 1976 | ||||||||||||
| (36174) 13 | ||||||||||||
| Narasimham, Raghuveer, et al., 1975; Jenouvrier and Daumont, 1976 | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| B 2Πr | 30384.1 | 798.78 Z | 3.59 | 0.6013 14 | 0.0046 | 1.3E-6 | 1.697 | B → X R | 29953.6 Z | |||
| Narasimham and Srikameswaran, 1963; Smith and Meyer, 1964; missing citation; Goudmand and Dessaux, 1967; missing citation; Vidal, Dessaux, et al., 1969; missing citation | ||||||||||||
| 30294.9 | 797.31 Z | 3.72 | 0.5962 14 | 0.0048 | 1.3E-6 | B → X R | 30085.1 Z | |||||
| Narasimham and Srikameswaran, 1963; Smith and Meyer, 1964; missing citation; Goudmand and Dessaux, 1967; missing citation; Vidal, Dessaux, et al., 1969; missing citation | ||||||||||||
| X 2Πr | 221.5 15 | 1218.7 Z | 7.28 | [0.775156] 16 | 0.00635 | 1.2E-6 | 1.49402 17 | |||||
| Amano, Saito, et al., 1969 | ||||||||||||
| 0 | [0.769602] 16 | 18 | ||||||||||
| Carrington and Levy, 1966; Carrington, Howard, et al., 1968; Uehara and Morino, 1969 |
| 1 | Intensity perturbations and predissociations in both doublet components. |
| 2 | Only fragments observed. |
| 3 | Approximate deperturbed constants, A ~ +45. This level is strongly perturbed by v=11 of H 2Πi (B11 = 0.525, A11 = -110). |
| 4 | Spin doubling constant γ0 ~ +0.1 for N ≤~ 20. The spin splitting increases rapidly at higher N because of a perturbation by H 2Π(v=1). I 2Σ+(v=1) (B1 ~ 0.695) interacts with H 2Π(v=2) at somewhat lower N values. A strong homogeneous interaction with levels of C 2Σ+ explains the larger than expected ΔG(1/2) value of I 2Σ+. |
| 5 | A0 = -172.3. |
| 6 | Perturbations by levels of E, I, C; see 3, 4, 7. |
| 7 | ΔG(3/2) = 1414 Vervloet and Jenouvrier, 1976, ΔG(5/2) ~ 1372, ΔG(7/2) ~ 1378 Joshi, 1966. B1 ~ 0.7975, B2 ~ 0.8150 Vervloet and Jenouvrier, 1976; Balasubramanian and Narasimham, 1974 give B0 = 0.82876 and D0 = 1.404E-6 as well as γ0 = +0.0055. C 2Σ+ interacts strongly with I 2Σ+; in addition, v=1 is extensively perturbed by H 2Π(v=2) and G 2Σ-(v=2). |
| 8 | Estimated lifetime τ(v=0) ~6.5 ns [Hanle effect measurements Silvers and Chiu, 1974]. |
| 9 | Observed in absorption by Donovan and Breckenridge, 1971 following the flash photolysis of OCS in the presence of excess N2O. |
| 10 | Spin doubling constant γ0 = +0.034. |
| 11 | B1 = 0.6780. |
| 12 | The A state is strongly perturbed, particularly the 2Δ5/2 component [see Jenouvrier and Pascat, 1973]; the ΔG(1/2) values are from Barrow, Drummond, et al., 1954, ωexe from Narasimham and Srikameswaran, 1963, 2, and B0 from Jenouvrier and Pascat, 1973. Additional constants may be found in these references but, because of the perturbations, have limited meaning. Jenouvrier and Pascat, 1973 suggest that the perturbing state is 2Φ5/2. |
| 13 | Only the 1-0 band has been observed and analyzed (B1 = 0.7716, v0 = 37203.9 and 36982.5). The v=0 level of 14N32S interacts with B 2Π1/2(v=8) Jenouvrier and Daumont, 1976; weak emission from this level was observed for 15N32S Jenouvrier and Daumont, 1976. |
| 14 | Several perturbations. Except for v=8 (see 13), these interactions have not yet been analyzed. |
| 15 | A0 = +222.94, A1 = +223.09, recalculated by Amano, Saito, et al., 1969 from the data of Zeeman, 1951. |
| 16 | Λ-type doubling, Δ vfe = +0.013253(J+1/2) Amano, Saito, et al., 1969. |
| 17 | Microwave sp. 21 |
| 18 | EPR sp. (2Π3/2) |
| 19 | Estimate based on a linear Birge-Sponer extrapolation for the ground state O'Hare, 1970. Ab initio calculations O'Hare, 1970 give 5.2 eV. |
| 20 | From the photoelectron spectrum Dyke, Morris, et al., 1977. |
| 21 | μel(2Π1/2,v=0) = 1.81 D from Stark effect measurements in the rotation spectrum Amano, Saito, et al., 1969; Carrington, Howard, et al., 1968, using the EPR method, obtained 1.35 D. This value was recently revised to 1.86 D Byfleet, Carrington, et al., 1971. See also O'Hare, 1970. Hyperfine coupling constants Carrington, Howard, et al., 1968, Amano, Saito, et al., 1969, Uehara and Morino, 1969. |
| 22 | D00(NS) + I.P.(S) - I.P.(NS). |
| 23 | Vibrational constants from the photoelectron spectrum 30. |
| 24 | Estimated value from a Franck-Condon factor analysis of the photoelectron peaks Dyke, Morris, et al., 1977. |
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, Notes / Error Report
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Burnett, Feigerle, et al., 1982
Burnett, S.M.; Feigerle, C.S.; Stevens, A.E.; Lineberger, C.W.,
Photoelectron spectroscopy of CS- and NS-,
J. Phys. Chem., 1982, 86, 4486. [all data]
O'Hare, 1970
O'Hare, P.A.G.,
Dissociation energies, enthalpies of formation, ionization potentials, and dipole moments of NS and NS+,
J. Chem. Phys., 1970, 52, 2992. [all data]
Dyke, Morris, et al., 1977
Dyke, J.M.; Morris, A.; Trickle, I.R.,
Characterization of the ground ionic state of the NS molecule using photoelectron spectroscopy,
J. Chem. Soc. Faraday Trans. 2, 1977, 73, 147. [all data]
Bialski and Grein, 1976
Bialski, M.; Grein, F.,
Theoretical studies on low-lying valence states of NS, SiF, and CCl,
J. Mol. Spectrosc., 1976, 61, 321. [all data]
Joshi, 1966
Joshi, K.C.,
The emission spectrum of the NS molecule,
Z. Phys., 1966, 191, 126. [all data]
Vervloet and Jenouvrier, 1976
Vervloet, M.; Jenouvrier, A.,
Etats Rydberg de NS. Etude du domaine spectral 2400-1750 Å,
Can. J. Phys., 1976, 54, 1909. [all data]
Narasimham and Subramanian, 1969
Narasimham, N.A.; Subramanian, T.K.B.,
Isotope shift studies in the spectra of NS and PS,
J. Mol. Spectrosc., 1969, 29, 294. [all data]
Jenouvrier and Pascat, 1973
Jenouvrier, A.; Pascat, B.,
Etats de valence de NS dans le domaine 2250-3800 Å,
Can. J. Phys., 1973, 51, 2143. [all data]
Fowler and Bakker, 1932
Fowler, A.; Bakker, C.J.,
The band spectrum of nitrogen sulphide (NS),
Proc. R. Soc. London A, 1932, 136, 28. [all data]
Barrow, Downie, et al., 1952
Barrow, R.F.; Downie, A.R.; Laird, R.K.,
The spectrum of NS,
Proc. Phys. Soc. London Sect. A, 1952, 65, 70. [all data]
Barrow, Drummond, et al., 1954
Barrow, R.F.; Drummond, G.; Zeeman, P.B.,
Rotational analysis of the β band system of the NS molecule,
Proc. Phys. Soc. London Sect. A, 1954, 67, 365. [all data]
Narasimham, Raghuveer, et al., 1975
Narasimham, N.A.; Raghuveer, K.; Balasubramanian, T.K.,
A new electronic transition in NS,
J. Mol. Spectrosc., 1975, 54, 160. [all data]
Jenouvrier and Daumont, 1976
Jenouvrier, A.; Daumont, D.,
The B'2Σ+ state of NS,
J. Mol. Spectrosc., 1976, 61, 313. [all data]
Narasimham and Srikameswaran, 1963
Narasimham, N.A.; Srikameswaran, K.,
A new 2Π-X2Π band system of nitrogen sulphide,
Nature (London), 1963, 197, 370. [all data]
Smith and Meyer, 1964
Smith, J.J.; Meyer, B.,
Characterization of the B2Π state of NS in the emission from active nitrogen-sulfur flames,
J. Mol. Spectrosc., 1964, 14, 160. [all data]
Goudmand and Dessaux, 1967
Goudmand, P.; Dessaux, O.,
Formation de molecules NS et NSe electroniquement excitees dans les reactions de l'azote actif sur les chlorures de soufre et de selenium,
J. Chim. Phys. Phys.-Chim. Biol., 1967, 64, 135. [all data]
Vidal, Dessaux, et al., 1969
Vidal, B.; Dessaux, O.; Marteel, J.-P.; Goudmand, P.,
Sur l'emission de nouvelles bandes du systeme B2Π - X2Π de NS dans des reactions chimiluminescentes,
C.R. Acad. Sci. Paris, Ser. C, 1969, 268, 2140. [all data]
Amano, Saito, et al., 1969
Amano, T.; Saito, S.; Hirota, E.; Morino, Y.,
Hyperfine interactions and λ-type doubling in the microwave spectrum of the NS radical,
J. Mol. Spectrosc., 1969, 32, 97. [all data]
Carrington and Levy, 1966
Carrington, A.; Levy, D.H.,
Electron resonance studies of free radicals in the gas phase. Detection of ClO, BrO, and NS,
J. Chem. Phys., 1966, 44, 1298. [all data]
Carrington, Howard, et al., 1968
Carrington, A.; Howard, B.J.; Levy, D.H.; Robertson, J.C.,
Gas phase electron resonance spectrum of NS,
Mol. Phys., 1968, 15, 187. [all data]
Uehara and Morino, 1969
Uehara, H.; Morino, Y.,
Molecular structure of the NS free radical by gas-phase electron paramagnetic resonance,
Mol. Phys., 1969, 17, 239. [all data]
Balasubramanian and Narasimham, 1974
Balasubramanian, T.K.; Narasimham, N.A.,
Reinvestigation of the β and the γ band systems of NS,
J. Mol. Spectrosc., 1974, 53, 128. [all data]
Silvers and Chiu, 1974
Silvers, S.J.; Chiu, C.-L.,
Fluorescence and zero-field level crossing spectroscopy of the C2Σ+ state of NS,
J. Chem. Phys., 1974, 61, 1475. [all data]
Donovan and Breckenridge, 1971
Donovan, R.J.; Breckenridge, W.H.,
Reaction of S(31D2) with N2O,
Chem. Phys. Lett., 1971, 11, 520. [all data]
Narasimham and Srikameswaran, 1963, 2
Narasimham, N.A.; Srikameswaran, K.,
The β- and γ-band systems of 14NS and 15NS,
Proc. Indian Acad. Sci. Sect. A, 1963, 56, 316. [all data]
Zeeman, 1951
Zeeman, P.B.,
Rotational analysis of the γ band system of the NS molecule,
Can. J. Phys., 1951, 29, 174. [all data]
Byfleet, Carrington, et al., 1971
Byfleet, C.R.; Carrington, A.; Russell, D.K.,
Electric dipole moments of open-shell diatomic molecules,
Mol. Phys., 1971, 20, 271. [all data]
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, References
| EA | Electron affinity |
Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.
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Standard Reference Data Program |
Data Gateway |
Chemistry WebBook |
If you have comments or questions about this site, please contact us.


|
hcash
2.0.0
hcash
|
#include <DeferredTestReporter.h>
Public Types | |
| typedef std::vector< DeferredTestResult > | DeferredTestResultList |
Public Member Functions | |
| virtual void | ReportTestStart (TestDetails const &details) |
| virtual void | ReportFailure (TestDetails const &details, char const *failure) |
| virtual void | ReportTestFinish (TestDetails const &details, float secondsElapsed) |
| DeferredTestResultList & | GetResults () |
| Public Member Functions inherited from UnitTest::TestReporter | |
| virtual | ~TestReporter () |
| virtual void | ReportSummary (int totalTestCount, int failedTestCount, int failureCount, float secondsElapsed)=0 |
| typedef std::vector< DeferredTestResult > UnitTest::DeferredTestReporter::DeferredTestResultList |
| DeferredTestReporter::DeferredTestResultList & DeferredTestReporter::GetResults | ( | ) |
|
virtual |
Implements UnitTest::TestReporter.
|
virtual |
Implements UnitTest::TestReporter.
|
virtual |
Implements UnitTest::TestReporter.


Right click on any article link or selected text to check.
For Facebook, please select the text and right click to check.


The problem with this convention, is that all nested sub modules' routes get "flatten" into the same level (root) of the router.
Meaning, you cannot "nest" urls without explictly write their prefixes into every "routing module"
Click on the second link and see it breaks in the console


Narayanasamy calls on Union Finance Minister
Puducherry CM apprises Sitharaman about U.T.’s financial problems
by Special CorrespondentChief Minister V. Narayanasamy on Friday called on Union Finance Minister Nirmala Sitharaman at her office in New Delhi.
According to a government source, the Chief Minister had reiterated his government’s demand to include Puducherry under the terms and conditions of 15th Finance Commission. He apprised the Finance Minister on the urgent need to include the Union Territory under the ambit of the Finance Commission so as to get more funds.
Central grant
He brought to her notice the financial difficulties faced by the government due to the reduction of Central grant to 27%.
The U.T. would be eligible for 42% grant if it was included under the recommendations of Central Finance Commission, the source said. The Chief Minister requested Ms. Sitharaman to consider the government’s demand to write off legacy loan of around ₹2000 crore, which was taken when there was no separate account for Puducherry in the Reserve Bank of India.
Before the opening of a separate public account in 2007, the Union Ministry of Home Affairs used to borrow the money with the guarantee of the Union government.
The administration wanted the Centre to write off the legacy loan, the source added.


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Pornopolis
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Famous Nudes


Union to prepare for picket lines, announce new measures in transit strike escalation
Unifor said the move comes after a ‘failure by the employer to make new offers at the bargaining table’
by Katya SlepianThe union representing 5,000 Coast Mountain Bus Company workers said it will announce the “next stage” of strike action on Wednesday.
Tuesday morning’s announcement came as a result of what Unifor called a “failure by the employer to make new offers at the bargaining table.”
The announcement will be followed by strike training for workers, including “picket line preparation.”
Bus operators and maintenance workers have been undertaking job action since Nov. 1. The labour dispute began with an overtime ban for maintenance workers and a uniform ban for bus drivers on Nov 1, but last week Unifor announced its bus drivers would not take overtime on alternating days.
More to come.


rdp Blog Posts
1 posts, page 1 of 1
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Using an iPad to access remote Windows desktops
Jul 16, 2011I went from initial scepticism, when I started looking for a usable iPad remote desktop solution for accessing Windows PCs, to (almost) wild enthusiasm.
I evaluated four of the best iPad remote access apps and am delighted to have found one that does exactly what I want. This post outlines why I settled on Jump Desktop along with a few usage tips.


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You can reach this dialog via the menu entry Analysis \ Symmetric Encryption (classic) \ Manual Analysis \ Playfair.
The analysis tool for the Playfair algorithm supports the manual analysis of a text encrypted with the Playfair algorithm. As a pre-condition, parts of the plaintext must be available in addition to the ciphertext. Based on this information the key matrix can be constructed.
Using intermediate results the matrix can be guessed or CrypTool can be asked for a suggestion. You can watch the results closely, correct them if necessary and finally try a decryption.
The encryption matrix can be edited via the fields Password and Matrix. An entry in the Password field is written to the matrix, as described in Playfair encryption algorithm. A character entered directly into the matrix exchanges the positions of the entered character with the character at the cursor, if the character at the cursor is not a star (‘*‚).
If the option Update expected plaintext using the key matrix is activated, after each re-computation of the key matrix the plaintext of the actualized decryption is displayed on the input line expected plaintext.
The text displayed in the box labeled Analysis result reflects the effect of the selected matrix.
The constraints for the matrix are shown in the field Letter information. This information is computed from the encrypted text and the assumed stipulation. They have no direct impact on the shown matrix, but give you some hints for suggesting the right encryption matrix.
The table Letter information displays the following information for all letters in the alphabet based on the content of the field Expected plaintext:
Hint: Normally letters which are listed in row or col but not in horizontal‚ are often in the same column as the given letter.
Clicking the button Create matrix suggest a matrix, which respects the constraints and therefore the stipulation based on the ciphertext. The resulting matrix can be modified. Please note that changes to the matrix get lost if you click on the button.
In the case that your stipulation does not begin on the first position or contains gaps you can put in a placeholder ('*') by typing the space bar. CrypTool ignores all di-grams which contains at least one star in the stipulation.
When you type the stipulation, CrypTool can detect inconsistencies during the calculation for the constraints. The most common error is to type the same letter into the stipulation as the letter occurring in the encrypted text on the same position. Using the Playfair algorithm you can't get a letter for encrypting for itself. (An 'A' will never be encrypted to an 'A'.)
The possible stipulation errors are:
If the dialog is closed via the button Output results of analysis, the current key matrix is used to decrypt the ciphertext and the result is displayed in a new document.


If you have any questions or comments about the package please feel free to contact us:
Ángel Navia Vázquez
Department of Signal Theory and Communications
University Carlos III de Madrid, Spain
E-Mail: angel dot navia at uc3m dot es
Ángel Navia Vázquez
Department of Signal Theory and Communications
University Carlos III de Madrid, Spain
E-Mail: angel dot navia at uc3m dot es


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