Firmware Updates on Linux
Peter Jones
<EMAIL_ADDRESS>Desktop Hardware Enablement
(aka the laptop team)
This
cute
little
guy.
In the beginning...
Starting MS-DOS...
Microsoft(R) MS-DOS(R) Version 6.21
(C)Copyright Microsoft Corp 1981-1993.
Current date is Thu 05-05-2016
Enter new date (mm-dd-yy): a
Then things got (slightly) better
Kernel compatibility 7.10 - WATCOMC - 80386 CPU required - FAT32 support
(C) Copyright 1995-2012 Pasquale J. Villani and The FreeDOS Project.
All Rights reserved. This is free software and comes with ABSOLUTELY NO
WARRANTY; you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation;
either version 2, or (at your option) any later version.
C: HD1 Pri[ 1], CHS= 0-32-33, start= 1 MB, size= 3839 MB
Current date is Thu 05-05-2016
Enter new date (mm-dd-[cc]yy): a
But you're still doing this
Kernel compatibility 7.10 - WATCOMC - 80386 CPU required - FAT32 support
(C) Copyright 1995-2012 Pasquale J. Villani and The FreeDOS Project.
All Rights reserved. This is free software and comes with ABSOLUTELY NO
WARRANTY; you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation;
either version 2, or (at your option) any later version.
C: HD1 Pri[ 1], CHS= 0-32-33, start= 1 MB, size= 3839 MB
Current date is Thu 05-05-2016
Enter new date (mm-dd-[cc]yy): 01-01-1970
Current time is 12:38:16.21 pm
Enter new time: 00:00:00
C:\>flash.bat X10SDVF6.302
################################################################################
# #
# Compare Flash Descriptor Table(FDT). Please wait... #
# #
################################################################################
+------------------------------------------------------------------------------+
| AMI Firmware Update Utility v5.07.01 |
| Copyright (C)2014 American Megatrends Inc. All Rights Reserved. |
+------------------------------------------------------------------------------+
Reading flash ................ 0x00218000 (17%)
this is not ideal.
An aside about your system firmware changelog
<1.49>
UEFI: 1.49 / ECP: 1.20
- [Important] Security fix addresses LEN-8324 System Management Mode (SMM)
BIOS Vulnerability.
(Note)
If the UEFI BIOS has been updated to version 1.49 or higher,
it is no longerable to roll back to the version before 1.49
for security improvement.
- (Fix) Fixed an issue where the brightness control might not work on Windows XP.
<1.48>
UEFI: 1.48 / ECP: 1.20
- [Important] Security fix addresses LEN-2015-002 SMM "Incursion" Attack and
some security fixes.
(Note)
If the UEFI BIOS has been updated to version 1.48 or higher,
it is no longerable to roll back to the version before 1.48
for security improvement.
- (Fix) Fixed an issue where the computer might not enter Startup interrupt menu.
<1.46>
UEFI: 1.46 / ECP: 1.20
- (New) Updated the CPU microcode.
- (Fix) Corrected the help message for enabling the microphone in the BIOS Setup.
An aside about your system firmware changelog
<1.49>
UEFI: 1.49 / ECP: 1.20
- [Important] Security fix addresses LEN-8324 System Management Mode (SMM)
BIOS Vulnerability.
(Note)
If the UEFI BIOS has been updated to version 1.49 or higher,
it is no longerable to roll back to the version before 1.49
for security improvement.
- (Fix) Fixed an issue where the brightness control might not work on Windows XP.
<1.48>
UEFI: 1.48 / ECP: 1.20
- [Important] Security fix addresses LEN-2015-002 SMM "Incursion" Attack and
some security fixes.
(Note)
If the UEFI BIOS has been updated to version 1.48 or higher,
it is no longerable to roll back to the version before 1.48
for security improvement.
- (Fix) Fixed an issue where the computer might not enter Startup interrupt menu.
<1.46>
UEFI: 1.46 / ECP: 1.20
- (New) Updated the CPU microcode.
- (Fix) Corrected the help message for enabling the microphone in the BIOS Setup.
You are so very, very pwned.
Security fix addresses SMM
"Incursion" Attack and some
security fixes.
This probably* means an attacker with root can rewrite your system firmware.
You are so very, very pwned.
Security fix addresses SMM
"Incursion" Attack and some
security fixes.
This probably* means an attacker with root can rewrite your system firmware.
You are so very, very pwned.
Security fix addresses SMM
"Incursion" Attack and some
security fixes.
This probably* means an attacker with root can rewrite your system firmware.
You are so very, very pwned.
Security fix addresses SMM
"Incursion" Attack and some
security fixes.
This probably* means an attacker with root can rewrite your system firmware.
So, what can we do about it?
Somebody made this little machine.
It has some nice features. Like firmware updates initiated from the OS.
It has some nice features. Like firmware updates initiated from the OS.
Okay, fine, I can use that.
And then they wrote some UEFI spec language for those features.
And then they wrote some requirements about it for client machines.
Okay, fine, I can use that.
Okay, fine, I can use that.
And then somebody else made another machine.
Now my desk looks like this.
I learned a lot of lies about how computers work that day.
And then I wrote some code.
And then I wrote some code.
And then somebody sent me a
machine to test it on.
And then I wrote some code.
And then somebody sent me a
machine to test it on.
A long time and a pile of patches
I did a demo for the desktop team at Red Hat.
This is a really big thank you to Harry at Intel and Jeff at Insyde.
And then Richard Hughes started doing some awesome stuff. We'll come back to that.
And then I wrote some code.
And then I wrote some code.
And then somebody sent me a
machine to test it on.
And then I wrote some code.
And then somebody sent me a
machine to test it on.
A long time and a pile of patches
later, this happened.
This is a really big thank you to Jared and Mario on the Dell Linux Client Team.
So how does it work?
The EFI System Resource Table
- a table in RAM describing each updatable firmware.
UpdateCapsule()
- a call to hand an image off to the firmware.
ResetSystem()
- I bet you get this one.
So how does it work?
The EFI System Resource Table
- a table in RAM describing each updatable firmware.
UpdateCapsule()
- a call to hand an image off to the firmware.
ResetSystem()
- I bet you get this one.
So how does it work?
The EFI System Resource Table
- a table in RAM describing each updatable firmware.
UpdateCapsule()
- a call to hand an image off to the firmware.
ResetSystem()
- I bet you get this one.
So how does it work?
The EFI System Resource Table
- a table in RAM describing each updatable firmware.
UpdateCapsule()
- a call to hand an image off to the firmware.
ResetSystem()
- I bet you get this one.
And the Linux parts?
- >kernel presents ESRT in /sys/firmware/efi/esrt/
- /usr/bin/fwupdate - stages the update
- copies the firmware to /boot/efi/EFI/fedora/fw/
- uses libefivar to set a UEFI variable to point to that file, and to hold status
- uses libefiboot to set up a boot entry for fwupdate.efi
And the Linux parts?
- kernel presents ESRT in /sys/firmware/efi/esrt/
- /usr/bin/fwupdate - stages the update
- copies the firmware to /boot/efi/EFI/fedora/fw/
- uses libefivar to set a UEFI variable to point to that file, and to hold status
- uses libefiboot to set up a boot entry for fwupdate.efi
And the Linux parts?
- kernel presents ESRT in /sys/firmware/efi/esrt/
- /usr/bin/fwupdate - stages the update
- copies the firmware to /boot/efi/EFI/fedora/fw/
- uses libefivar to set a UEFI variable to point to that file, and to hold status
- uses libefiboot to set up a boot entry for fwupdate.efi
And the Linux parts?
- kernel presents ESRT in /sys/firmware/efi/esrt/
- /usr/bin/fwupdate - stages the update
- copies the firmware to /boot/efi/EFI/fedora/fw/
- uses libefivar to set a UEFI variable to point to that file, and to hold status
- uses libefiboot to set up a boot entry for fwupdate.efi
And the Linux parts?
- kernel presents ESRT in /sys/firmware/efi/esrt/
- /usr/bin/fwupdate - stages the update
- copies the firmware to /boot/efi/EFI/fedora/fw/
- uses libefivar to set a UEFI variable to point to that file, and to hold status
- uses libefiboot to set up a boot entry for fwupdate.efi
And the Linux parts?
- kernel presents ESRT in /sys/firmware/efi/esrt/
- /usr/bin/fwupdate - stages the update
- copies the firmware to /boot/efi/EFI/fedora/fw/
- uses libefivar to set a UEFI variable to point to that file, and to hold status
- uses libefiboot to set up a boot entry for fwupdate.efi
So... that stuff Hughsie was writing. It's a lot of stuff.
fwupd - dbus-activated service for integration with other software
gnome-software support
The Linux Vendor Firmware Service (fwupd.org) - a site for vendors to upload firmware for distribution
support in fwupd for updating usb devices
fwupd - dbus-activated service for integration with other software
gnome-software support
The Linux Vendor Firmware Service (fwupd.org) - a site for vendors to upload firmware for distribution
support in fwupd for updating usb devices
fwupd - dbus-activated service for integration with other software
gnome-software support
The Linux Vendor Firmware Service (fwupd.org) - a site for vendors to upload firmware for distribution
support in fwupd for updating usb devices
fwupd - dbus-activated service for integration with other software
gnome-software support
The Linux Vendor Firmware Service (fwupd.org) - a site for vendors to upload firmware for distribution
support in fwupd for updating usb devices
Everybody thank Hughsie.
Who wants to see me brick my laptop?


The World Wide Web is a collection of HTML documents
Documents are made up by HTML=Hyper Text Markkup Language
It glues everything together.
They can be documents images,or videos
Web develop in the 1990s and has approximately1990s> 30 billion pages
File types on the web are Plain text, HTML, images, videos and music
Links between pages are hyperlinks/or links for short
HTML Hypertext Markup Language is made up of
Text Content – What you seeHTML Markup
Tag name-opening tag
Tag contents-other tags or text,
/name-closing tag
Tag names are always the same with the difference being a slash (/) in the closing tag
The structure will always be the same opening tag-contents-closing tag.
The structure is also referred to as an element
Example of Tags
B- tags makes the content appear in bold letters
em-emphasis makes the content appear in italics
Tags can be nested -em-content-b-content -/b-content -/em
When the end tag is removed everything from the opening tag carriers through out the content.
HTML Attributes
A=anchor tag it is for making links
Tag Attr=a value> contents /tag name
Example: a (attribute name)href= (value) “www.reddit.com”> content -/a
You create a word a link? Place the above tag before and close it after
Images
img =images Example: -img src (source)=”url” alt(alternate)=”text”> *no end tag-also known as void tagMiscellaneous notes
Image tag has no content
You can add text before and after the attribute
Whitespace
Used to break up a really long tag. using the br (break) attribute.Inline/block
Br is a -line (b\c it does not create a box) for example text –br- (wrap around text> -/br- starts another text lineBlock
p- creates a block around the text, which creates another line -/pHTML Documents
!Doc Type= HTML=doctypeMiscellaneous Note:The head can contain java script and CSS


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{% extends "layout.html" %} {% block page_title %} Example - Forms {% endblock %} {% block content %} {% include "includes/phase_banner_alpha.html" %} Questions repairing what you repairing? {{formData | safe}} What are you doing? What are you doing? Minor works affecting bridges or culverts Improvement works for tracks or paths Maintaining of a raised river or sea defence Maintaining structures within the river other than raised river or sea defences Repairing and protecting riverbanks using natural materials Repairing bank slips and erosion Cleaning gravel for fish spawning Repairing riverbank {% endblock %}


Overview of course material: Data Analysis and Machine Learning (weekly schedule may be revised)
Morten Hjorth-Jensen [1, 2]
[1] Department of Physics and Astronomy and Facility for Rare ion Beams and National Superconducting Cyclotron Laboratory, Michigan State University, USA
[2] Department of Physics and Center for Computing in Science Education (office FØ470), University of Oslo, Norway
The teaching material is produced in various formats for running codes (jupyter notebooks) and on-screen reading. Below you will also find a link to the lecture notes as a textbook in PDF format and as a jupyter notebook as well. Projects and exercise sets are also included.
Week 34 August 23-27:Basic introduction to the course with schedule etc and start Linear Regression
Week 35 August 30- September 3: Linear regression, from ordinary Least Squares to Ridge and Lasso Regression
Week 36 September 6-10: Statistical analysis and discussion of Ridge and Lasso regression
Week 37 September 13-17: Resampling techniques, Cross-validation and the Bootstrap
Week 38 September 20-24: Summary of linear regression methods and start Logistic Regression
Week 39 September 27- October 1: Logistic Regression and Gradient methods
Week 40 October 4-8: Stochastic Gradient Descent and Neural Networks, starting to build a multi-layer Perceptron model, the Back Propagation algoritm
Week 41 October 11-15: Building a multi-layer perceptron code and introduction to Tensorflow
Week 42 October 18-22: Deep learning, Solving Differential Equations with NNs and Convolutional Neural Networks)
Week 43 October 25-29: Deep learning, Convolutional Neural Networks and Recurrent Neural Networks, Principal Component Analysis
Week 44 November 1-5: Principal Component analysis, Clustering and Decision Trees
Week 45 November 8-12: Decision Trees, Random Forests and Gradient Boosting
Week 46 November 15-19: Gradient boosting and Support Vector Machines
Week 47 November 22-26: Support Vector Machines and Summary of Course with Future Perspectives
Textbook
- PDF-file:
- Jupyter notebook:
Projects Fall 2021 (dates are tentative)
Project 1, Deadline October 11 (available September 10)
- LaTeX and PDF:
- HTML:
- Jupyter notebook:
Project 2, Deadline November 20 (available October 12)
- LaTeX and PDF:
- HTML:
- Jupyter notebook:
Project 3, Deadline December 17 (available November 13)
- LaTeX and PDF:
- HTML:
- Jupyter notebook:


Stored Data
The value of "data" is {{ data }}.
{% for key, value in values.items() %}
The value of "{{ key }}" is "{{ value }}".
{% endfor %}
Add another entry name
with value
. Note, any value named "counter" will be incremented three times after storing.


OctoPerf's plugin for Jenkins allows users to automate load tests from the Cloud.
Just choose the scenario you want to run. Let Jenkins start and stop the test and document the results.
After the run, a test report will be generated directly into Jenkins and your OctoPerf account.
If the test list is empty, you must insert your unique OctoPerf Username and password into the Jenkins settings, or create a test in
your OctoPerf account.


A bunch of stuff
can go in this one div
You shouldn't be able to see me and the other div at the same time
Sadly those other ways have to use a wrapping DOM node, this template method doesn't
Hooray
You can use v-show instead of v-if for cases when you don't want the node removed from the DOM, but generally, fewer nodes = better performance overall


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