Everything you'd rather not do twice — from a shell loop to a cluster that repairs itself.
How this category fits together, bottom to top. Every green block is covered by a published issue — click it to go straight there.
3 issues covering 3 of the 12 topics here.
systemd internals, kernel and sysctl tuning, namespaces and cgroups, LVM.
Expansion order, exit codes, redirection, strict mode's blind spots, traps and parallelism.
The GIL, choosing a concurrency model, streaming large files, subprocess and logging.
The other categories sitting alongside this one.