Security Hardening (SELinux/AppArmor/Auditd) When your AppArmor profiles are just suggestions Technical Briefing | 7/14/2026 Everyone loves AppArmor because it feels simpler than SELinux, but that simplicity often masks a dangerous...
DevOps Tooling On Linux (CI/CD Runners, Ansible) Stop Ansible from leaving your CI runner in a weird state Technical Briefing | 7/14/2026 CI runners are ephemeral by design, yet we...
SSH, Remote Access & Zero Trust On Linux Your SSH keys are living in the past Technical Briefing | 7/14/2026 We all love the simplicity of authorized_keys. It worked perfectly...
Observability & Logging (Journald, EBPF Tracing) Tracing syscalls with eBPF when journald is just not telling you the truth Technical Briefing | 7/14/2026 You check the logs. You see a...
Systemd & Service Management Stop Systemd from silently nuking your long-running processes Technical Briefing | 7/13/2026 You spend all afternoon tuning a worker process to crunch through a massive dataset,...
Security Hardening (SELinux/AppArmor/Auditd) Stop Ignoring Auditd Watch Latency in High Throughput Environments Technical Briefing | 7/13/2026 You probably have an audit rule watching sensitive config files. It works great until...
Shell Scripting & Automation When your shell script variable isn’t as empty as you think Technical Briefing | 7/13/2026 We have all been there. You write a script to cleanup...
Backup, Snapshotting & Disaster Recovery When your block-level backups are lying to you Technical Briefing | 7/13/2026 You set up LVM snapshots or ZFS send streams, verified the transfer, and...
Filesystem & Storage (ZFS/Btrfs/LVM) ZFS arc_max isn’t a silver bullet for your OOM killer woes Technical Briefing | 7/13/2026 You probably set zfs_arc_max when you first provisioned your storage server,...
Shell Scripting & Automation Stop hardcoding your shell script exit codes Technical Briefing | 7/12/2026 You probably have a script somewhere that runs a chain of commands, checks a file,...