A practical, security-conscious guide to Linux ownership, modes, groups, ACLs, umask, Docker UID and GID mapping, network shares, SELinux, AppArmor, and permission troubleshooting.
Why I think Linux Mint, especially Cinnamon, is one of the best places to start when someone wants to leave Windows without relearning the desktop all at once.
What maintaining old and current versions of the same application taught me about treating compatibility as a boundary instead of a temporary inconvenience.
Separating application compute from authoritative storage made my homelab easier to rebuild, troubleshoot, and change without pretending a second machine is automatic redundancy.