Container & Kubernetes Internals Stop trusting /proc in your containers: what the kernel actually sees Technical Briefing | 10/17/2026 You probably think your container’s /proc filesystem is a faithful representation...
Performance Monitoring & Tuning Stop watching your context switches drain your CPU for nothing Technical Briefing | 10/17/2026 You see a process list where your application looks like it is...
Kernel News & Module Management You Told The Kernel To Stop Loading That Module. It Didn’t Listen. Technical Briefing | 10/16/2026 We’ve all been there: you’ve got a hardware component...
Observability & Logging (Journald, EBPF Tracing) Stop journald from dumping your binary logs into a black hole Technical Briefing | 10/16/2026 We have all been there. You run journalctl to...
Shell Scripting & Automation Stop trap handlers from swallowing your exit codes Technical Briefing | 10/16/2026 You probably use a trap exit script to clean up temporary files or notify...
Cloud-Native Linux (Cloud-Init, Immutable OS, Bootc) Don’t let cloud-init fight your immutable image for control Technical Briefing | 10/15/2026 Building an immutable OS image with bootc is great until you...
Virtualization (KVM/QEMU/Libvirt) Stop libvirt from clobbering your bridge configuration on reboot Technical Briefing | 10/15/2026 You spend all afternoon crafting the perfect bridge configuration for your KVM host. Everything is...
Observability & Logging (Journald, EBPF Tracing) Stop tracing calls that never actually hit the disk Technical Briefing | 10/15/2026 You spend all morning trying to track down why an application...
Systemd & Service Management Stop your unit files from being ignored after a sneaky edit Technical Briefing | 10/15/2026 We have all been there. You jump onto a server, edit...
Shell Scripting & Automation Stop using backticks for command substitution: your shell is begging you to switch Technical Briefing | 10/15/2026 I still see scripts in production that look like...