Today I Learned
Note
Short, focused posts. Things that would have saved me an hour if I’d read them first — tool tricks, config quirks, debugging wins, and sharp edges in tools I use every day.
$ ls -lt ~/tilkubectl explain is a full API reference
How
kubectl explain --recursive dumps the entire nested schema tree for any resource or CRD. Pipe to grep or diff across cluster upgrades without opening docs.Helm --atomic does automatic rollback
Understanding Helm's
--atomic behavior: automated failure rollback, incremental revision counters, and the critical first-install delete gotcha.crictl is kubectl for the node
Talking directly to containerd and CRI-O runtimes on Kubernetes nodes. How to inspect stopped containers, pull logs, and exec into pods when the API server is unreachable.