Step-by-step playbooks for when things go sideways. Interactive checklists with copy-paste commands.
Diagnose and fix a Docker container that keeps restarting or exiting immediately. Covers logs, OOM detection, interactive debugging, volume permissions, and configuration errors.
Reclaim disk space consumed by unused Docker images, volumes, and build cache. Covers safe incremental cleanup and emergency full prune.
Troubleshoot Docker container networking failures. Covers DNS resolution, inter-container communication, network inspection, and firewall rules.
Diagnose why Kubernetes can't pull a container image. Covers image name typos, registry auth, pull secrets, network issues, and rate limits.
Diagnose and fix a Docker daemon (dockerd) that won't start. Covers configuration errors, storage driver issues, disk space, socket problems, and containerd dependency.
Interactively diagnose and fix a full disk on Linux. Branches into /var issues, Docker cleanup, log rotation, inode exhaustion, and deleted-but-open files.