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7 articles
Redis suddenly rejects every write with "MISCONF Redis is configured to save RDB snapshots". Here is how to find out why the snapshot failed (a full d…
Why a new PostgreSQL user fails with "Peer authentication failed" from the command line and "password authentication failed" from Laravel, how Ubuntu'…
Everything to do in the first hour on a fresh Ubuntu 26.04 LTS server, in order: a sudo user, SSH keys, the firewall, automatic security updates, swap…
Two critical PHP flaws (CVE-2026-109618 and CVE-2026-109619) allow remote code execution and are being exploited. Here is how to check your server, pa…
Ubuntu 26.04 LTS cloud images now require a newer x86-64-v3 CPU baseline, and older or budget VPS hardware may not qualify. Here is the one command to…
Ubuntu 26.04 LTS quietly made sudo-rs the default sudo. If your sudoers rules use a wildcard inside command arguments, they will silently stop matchin…
Disable SSH password login and switch to key-only authentication on a VPS, including the cloud-init config override that silently breaks this on most…
