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Latest Field Notes
Fresh walkthroughs, configuration notes, diagrams, scripts, and lessons from real networks, security work, homelabs, AI workflows, and PisoWiFi deployments.
- Linux Failure Injection Lab: Test systemd, Disk, DNS, and RecoveryRun bounded Linux failure-injection tests for systemd crashes, full and read-only filesystems, DNS and network loss, watchdogs, external alerts, rollback, and user-facing recovery without using production as the target.
- Container Security for Normal HomelabsA normal-person Docker security guide for exposed ports, privileged containers, Docker socket risk, secrets, rootless mode, user namespaces, and backups.
- Self-Hosted App Lifecycle: Updates, Rollbacks, and Release NotesA self-hosted operations guide for updating containers safely, reading release notes, backing up state, automating carefully, and rolling back.