DevOps Tooling On Linux (CI/CD Runners, Ansible) Stop your Ansible temporary files from filling up /tmp on remote nodes Technical Briefing | 10/12/2026 I watched a server grind to a...
Filesystem & Storage (ZFS/Btrfs/LVM) Stop ZFS from eating your entire memory budget for breakfast Technical Briefing | 10/11/2026 You probably set up ZFS for the data integrity and the snapshots,...
SSH, Remote Access & Zero Trust On Linux Your authorized_keys File Is a Liability. Use SSH Certificates Instead. Technical Briefing | 10/11/2026 You’ve probably managed SSH access with `authorized_keys` files...
Performance Monitoring & Tuning Stop your CPU frequency governor from lying to your applications Technical Briefing | 10/11/2026 You spend hours optimizing your application code, only to find that latency...
Shell Scripting & Automation Stop your scripts from hanging on stale file locks Technical Briefing | 10/11/2026 You probably have a few scripts running via cron or systemd timers that...
Container & Kubernetes Internals Stop the OOM Killer from choosing your critical pod as its next victim Technical Briefing | 10/11/2026 You spend days tuning your memory limits and requests,...
Virtualization (KVM/QEMU/Libvirt) Stop your KVM guests from drifting into virtual time travel Technical Briefing | 10/10/2026 You spend your time tuning CPU pinning and IO schedulers, but your biggest headache...
Backup, Snapshotting & Disaster Recovery Stop lying to yourself about your LVM snapshots Technical Briefing | 10/10/2026 You probably set up LVM snapshots years ago thinking they were a fire-and-forget...
Shell Scripting & Automation Stop your subshells from silently eating your exit codes Technical Briefing | 10/10/2026 You spend all morning refining a complex pipeline, chaining commands with pipes, only...
Security Hardening (SELinux/AppArmor/Auditd) Stop auditd from drowning your disk in noise Technical Briefing | 10/10/2026 Most of us treat auditd as a set-it-and-forget-it tool until the day the partition hits...