$ sudo apt install power-profiles-daemon

$ powerprofilesctl set power-saver

$ powerprofilesctl

$ more /proc/cpuinfo | grep "cpu MHz"

Reference

• Enable hibernate, https://ubuntuhandbook.org/index.php/2021/08/enable-hibernate-ubuntu-21-10/
• CPU power mode, https://ubuntuhandbook.org/index.php/2023/10/command-cpu-power-mode-ubuntu-22-04/

Install upower

sudo apt-get install upower

Commands:

$ upower -e
$ upower -d
$ upower -i <object>

Configuration

/etc/UPower/UPower.conf

Service

$ sudo systemctl restart upower.service
$ sudo systemctl status upower.service

Alias

alias battery='upower -d | grep -m 2 -e '\''percentage'\'' -e '\''time to empty'\'' | sed '\''s/^[ \t]*//'\'''

For PowerShell v6.1 or later, use command like this:

> Show-Markdown [file name]

https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/show-markdown?view=powershell-7.4

From CMD, you can call the cmdlet like below, after installing PowerShell 7.4:

"C:\Users\<your username>\AppData\Local\Microsoft\WindowsApps\Microsoft.PowerShell_8wekyb3d8bbwe\pwsh.exe" -Command "Show-Markdown %1"

What is Web Accessibility

Web accessibility refers to the inclusive practice of ensuring that websites and web applications are usable by everyone, including people with disabilities. This involves designing and developing digital content in a way that allows people with disabilities to perceive, understand, navigate, and interact with the web effectively.

Common disabilities that web accessibility aims to accommodate include:

1. Visual impairments: People who are blind or have low vision may use screen readers, braille displays, or screen magnification software to access web content.

2. Hearing impairments: Individuals who are deaf or hard of hearing may require transcripts or captions for audio content.

3. Motor impairments: People with mobility issues may use alternative input devices, such as mouth sticks or eye gaze systems, to navigate websites.

4. Cognitive impairments: Individuals with cognitive disabilities may benefit from clear navigation, simple language, and consistent layouts to facilitate understanding.

Web accessibility involves adhering to standards and guidelines, such as the Web Content Accessibility Guidelines (WCAG), which provide recommendations for making web content more accessible. These guidelines cover various aspects of web design and development, including:

• Perceivable: Ensuring that content is presented in ways that users can perceive, regardless of their abilities.
• Operable: Making web interfaces navigable and operable through various input methods.
• Understandable: Ensuring that content and functionality are understandable to all users.
• Robust: Maximizing compatibility with different assistive technologies and future web technologies.

By making websites and web applications accessible, developers and designers can provide equal access to information and services, promoting inclusivity and diversity on the web.

Screen Readers 

JAWS

• Windows
• https://support.freedomscientific.com/Downloads/JAWS
• https://support.freedomscientific.com/Downloads/OfflineInstallers#jaws

NVDA

• Windows
• https://www.nvaccess.org/download/

Mac, iOS

• use built-in VoiceOver feature
• https://support.apple.com/guide/voiceover/welcome/mac
• https://support.apple.com/guide/iphone/turn-on-and-practice-voiceover-iph3e2e415f/ios

Windows

• https://www.microsoft.com/en-us/windows/accessibility-features
• Win11
  https://support.microsoft.com/en-us/windows/meet-windows-11-accessibility-41e9b0f6-1e8c-4501-a82c-e0b915a8c3d9
• Win10/11
  https://learn.microsoft.com/en-us/windows/apps/develop/accessibility
• Edge browser
  https://support.microsoft.com/en-us/microsoft-edge/accessibility-features-in-microsoft-edge-4c696192-338e-9465-b2cd-bd9b698ad19a

More info

• https://webaim.org/
• Using NVDA, https://webaim.org/articles/nvda/
• https://dequeuniversity.com/screenreaders/nvda-keyboard-shortcuts#nvda-browse_focus_modes
• https://www.accessibility-developer-guide.com/knowledge/screen-readers/desktop/reading-websites/
• Using JAWS, https://webaim.org/articles/jaws/
• Keyboard shortcuts, https://webaim.org/resources/shortcuts/jaws

Web Accessibility Checking Software

Firefox Extensions

• IBM Equal Access Accessibility Checker
  https://addons.mozilla.org/en-US/firefox/addon/accessibility-checker
• Video, https://addons.mozilla.org/en-US/firefox/addon/accessibility-video
• https://addons.mozilla.org/en-US/firefox/addon/wave-accessibility-tool

Chrome Extensions

• TBA

Standalone Software

• TBA

This page will be continually updated as we receive more information.

1. Change Port number in sshd_config

Port <new port>

$ sudo systemctl restart ssh

2. Change IPTables entry

$ sudo vi /etc/iptables/rules.v4

-A INPUT -p tcp -m state --state NEW -m tcp --dport <new port> -j ACCEPT

$ sudo iptables-restore < /etc/iptables/rules.v4

3. Change in Security List

Go to Security List for that VCN and Subnet.  Add <new port> with TCP protocol.

rclone

Rclone is an open source, multi threaded, command line computer program to manage or migrate content on cloud and other high latency storage. Its capabilities include sync, transfer, crypt, cache, union, compress and mount. The rclone website lists supported backends including S3 and Google Drive. (https://en.wikipedia.org/wiki/Rclone)

CLI & GUI

• CLI - https://rclone.org/
• commands, https://rclone.org/commands/
• GUI - https://kapitainsky.github.io/RcloneBrowser/
  
  
  

Use Cases:

• Simplify management across multiple cloud accounts without the need to install dedicated client software for each.
• Establish an efficient cloud-based backup system by leveraging Rclone in conjunction with scheduler software to routinely back up directories and files.

1. Generate Google Application Password:
   Obtain a Google Application Password for secure authentication. You can generate one in your Google Account settings, especially if two-factor authentication is enabled.
   
   
2. Edit Gitea Configuration:
   Use a text editor to modify the Gitea configuration file (/etc/gitea/app.ini). Add the following settings under the [mailer] section:
   
   [mailer]
   ENABLED = true
   SMTP_ADDR = smtp.gmail.com
   SMTP_PORT = 465
   FROM = <google gmail account email address>
   USER = <google gmail account email address>
   PASSWD = <google app password here>
   PROTOCOL = smtps
   
   Adjust the values according to your Gmail account and the generated application password.
   
   
3. Restart Gitea:
   Restart the Gitea service to apply the new configuration:
   
   $ systemctl restart gitea
   
   
4. Test Email Configuration:
   Access the Admin Settings screen in Gitea, and initiate a test email. This step ensures that the Gmail integration is functioning correctly.