pajus @published 2026-10-28 · 13 min read PostgreSQL 17 on Debian 13: TLS, SCRAM, Restore Lock down PostgreSQL 17 on Debian 13: listen addresses, scram-sha-256, a minimal pg_hba.conf, TLS with certbot, least-privilege roles and a tested restore. Tags Databases Server Hardening TLS Backups
pajus @published 2026-10-04 · 10 min read rsync DSA-6527-1: Patch 33 CVEs on Debian 13 Debian DSA-6527-1 fixes 33 rsync CVEs in Debian 13. Check if rsyncd or rsync over SSH is exposed, patch to 3.5.0, verify and test backup jobs. Tags Debian Security Updates Server Hardening Backups
pajus @published 2026-09-25 · 11 min read restic Backups on Debian 13: Hardened Setup Set up restic backups on Debian 13: SFTP or S3 repos, a sandboxed systemd timer, forget --prune retention, append-only rest-server and restore tests. Tags Backups systemd Server Administration