Ubuntu GStreamer Security Update: Audit and Patch USN-8863-1
Audit and patch Ubuntu GStreamer flaws in AVI, FLAC, MP4 and MOV parsing with fixed package versions, verification commands, and safe rollout steps.
How to Install Wazuh SIEM and Write Custom Detection Rules (2026)
Install Wazuh SIEM on one host, enroll agents, and write custom detection rules that survive upgrades. Step-by-step 2026 tutorial with tested commands.
Linux Server Security Hardening: Complete 2026 Checklist
Complete Linux server hardening 2026: SSH key-only auth, UFW firewall, Fail2Ban, SELinux/AppArmor, auditd, AIDE, CIS Benchmark with Lynis.
