Ubuntu kernel updates: the SRU cycle explained
Ubuntu now publishes a kernel every week. Learn how SRU pockets work, how to spot a pending reboot, when to reboot, and what Livepatch covers until then.
#security-updates
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Security-only updates with dnf on Rocky/Alma
Read dnf updateinfo on Rocky or AlmaLinux, list only the security advisories, apply one advisory or one CVE fix, and know when the patch needs a reboot.
Ubuntu Pro on a server: what it covers
Ubuntu Pro explained for one rented server: what ESM actually extends, and how to check from the command line where your own box already stands.
Why unattended-upgrades does nothing on Debian
Debian ships unattended-upgrades switched off. Enable it properly, read Origins-Pattern, check the apt-daily timers, and prove it patches itself.
Debian stable, testing or unstable for servers
How Debian's suites feed each other, what the security team promises for each, why testing is the weak spot for a server, and how to pin one package.
Live kernel patching vs rebooting your VPS
Live kernel patching swaps patched functions into the running kernel. What it covers on an unmanaged VPS, and why the reboot is only postponed.
dnf-automatic security updates on Rocky/Alma
Configure dnf-automatic on Rocky Linux and AlmaLinux: security-only mode, the systemd timer, email alerts, and a reboot policy that avoids surprises.