GNOME
GNOME overview: the six-month release cycle, GTK and libadwaita, extensions, the Wayland-only GNOME 50 and which distributions ship it.
Linux project overviews
How the big Linux projects work: who runs them, how often they release and where to follow them officially. Written to age slowly rather than chase headlines.
For release dates and end-of-life dates in one table, see Linux release cycles and support lifetimes.
Desktops
KDE
KDE explained: Plasma desktop, Frameworks and Gear release schedules, the Qt 6 base, Wayland status and which distributions ship KDE best.
Distributions
Arch Linux
Arch Linux overview: the rolling-release model, pacman, the AUR and AUR helpers, the Arch Wiki, and who Arch is (and isn't) a good fit for.
Debian
Debian explained: stable, testing and unstable branches, codenames, the release process, LTS support, the Social Contract and major derivatives.
Fedora
Fedora release cycle explained: two releases a year, about 13 months of support, Fedora Server lifecycle, editions, upgrades and how Fedora relates to RHEL.
Ubuntu
How Ubuntu releases work: LTS vs interim, support lengths, Ubuntu Pro, flavours and editions, and which release is current as of 2026.
Kernel & security
Linux Security: How Updates, CVEs and Advisories Work
How Linux security updates work: CVEs and CVSS scores, distribution advisories, unattended upgrades, kernel live patching and basic hardening.
The Linux Kernel
How the Linux kernel is released: mainline, stable and LTS kernels, how distributions pick them, and how to check and update your kernel.