See also
https://askubuntu.com/questions/458427/who-reads-etc-default-keyboard
https://askubuntu.com/questions/1184746/how-to-make-caps-lock-an-additional-ctrl
https://askubuntu.com/questions/769462/request-for-a-guide-on-setting-up-apple-aluminium-keyboard-on-ubuntu-16-04

The easy-to-use, integrated, glanceable, and open web-based interface for your servers.
Cockpit makes GNU/Linux discoverable. See your server in a web browser and perform system tasks with a mouse. It’s easy to start containers, administer storage, configure networks, and inspect logs.

David Rosenthal's blog. Other interesting articles include
https://blog.dshr.org/2020/05/the-death-of-corporate-research-labs.html
https://blog.dshr.org/2020/06/informational-capitalism.html
https://blog.dshr.org/2020/03/more-on-failures-from-fast-2020.html

Different ways to swap CapsLock and Control.
See also https://askubuntu.com/questions/976996/add-custom-keyboard-layout?r=SearchResults

LambdaNative is an open-source (BSD licensed) cross-platform development environment written in Scheme (Gambit-C), supporting Android, iOS, BlackBerry 10, OS X, Linux, Windows, OpenBSD, and NetBSD. Some cross-compiler support for Raspberry Pi (Carlson-Minot) and OpenWrt (Sitara) also exists. See also https://www.lambdanative.org/

Wiki with explanations for Randall Munroe's comics https://xkcd.com/

ISA-L is a collection of optimized low-level functions targeting storage applications. ISA-L includes:
   Erasure codes - Fast block Reed-Solomon type erasure codes for any encode/decode matrix in GF(2^8).
   CRC - Fast implementations of cyclic redundancy check. Six different polynomials supported.
       iscsi32, ieee32, t10dif, ecma64, iso64, jones64.
   Raid - calculate and operate on XOR and P+Q parity found in common RAID implementations.
   Compression - Fast deflate-compatible data compression.
   De-compression - Fast inflate-compatible data compression.
BSD 3-Clause "New" or "Revised" License.
According to https://github.com/catid/cm256, ISA-L uses a O(N^3) Gaussian elimination solver for decoding. The CM256 decoder solves the linear system using a fast O(N^2) LDU-decomposition algorithm from "Pivoting and Backward Stability of Fast Algorithms for Solving Cauchy Linear Equations" (T. Boros, T. Kailath, V. Olshevsky), which was hand-optimized for memory accesses.
See also https://github.com/catid/leopard for a fast O(N log(N)) RS erasure decoder.

Welcome! Funtoo Linux (distrowatch) is a community-developed Linux meta-distribution based upon Gentoo Linux. Funtoo Linux is optimized for the best possible performance on the latest Intel and AMD hardware. Funtoo is led by Daniel Robbins, the creator of Gentoo Linux, and actively developed by the Funtoo community.
Funtoo does not use systemd, but OpenRC https://www.funtoo.org/FAQ:Do_You_Support_Systemd

Interesting software, such as
unifdef selectively removes C preprocessor conditionals. My version of this program now shipped by all the BSDs (including Mac OS X) and is used by the Linux kernel build system.
regpg safely stores server secrets using gpg, so you can keep them in version control.
picoro - tiny coroutine implementations in pure C. I wrote an accompanying article, coroutines in 20 lines of standard C.
Counting the days - tiny routines for converting Gregorian dates into linear counts, like Julian day numbers or Unix time_t. The date of the count - a small routine for converting linear day counts into Gregorian dates.
https://dotat.at/@/2016-04-22-synergy-vs-xmodmap-fight.html Why you can't use xmodmap to change how Synergy handles modifier keys
https://dotat.at/@/2023-05-26-whence-time.html Where does my computer get the time from?
https://dotat.at/@/2023-08-04-unix69.html a neat keyboard map
https://dotat.at/@/2024-01-29-four-point-egg.html construct an egg shape with straightedge and compass
His log of links, https://dotat.at/:/ which I found on the TUHS mailing list is also worth reading. He explains a bit about this log on http://dotat.at/.