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Open a terminal and run the command echo $XDG_SESSION_TYPE.
If the output is "x11", then your system is using X11.
If the output is "wayland", then your system is using Wayland.
Most modern systems make use of wayland.
--
Wayland:
A newer, more secure, and potentially more performant display protocol, especially for modern graphics hardware.
X11:
The traditional display server protocol used by many Linux systems, including Ubuntu.
--
Kids education:
https://phet.colorado.edu/
It covers the following:
Physics
Maths and statistics
Chemistry
Earth & Space
Biology
Simulations of concepts.
==
You can check how many previous boots are recorded using:
journalctl --list-boots
==
journalctl -b → Shows logs from the current boot
journalctl -b -1 → Shows logs from the previous boot (last boot before the reboot)
journalctl -b -2 → Shows logs from the boot before the last one, and so on
==
To check kernel issues in last boot:journalctl -b -k -1
==
Some good resources from Google:
--
Code review:
https://google.github.io/eng-practices/review/reviewer/
--
Google Enginerring practices:
https://google.github.io/eng-practices/
--
Go Style Guide:--
Google Python Style Guide:
https://google.github.io/styleguide/pyguide.html
--
Google Summer of Code Guides
https://google.github.io/gsocguides/
--
AI/ML courses
https://www.deeplearning.ai/courses
Three modes here - Short course, Course, Specialized
Interesting course I've come across: https://learn.deeplearning.ai/courses/vibe-coding-101-with-replit/
