Level 1
CompTIA Linux+ Level 1 foundation articles for entry-level technicians.
Level 1
Bash scripting fundamentals for Level 1
Learn safe Bash scripting basics: strict mode, quoting, input validation, exit codes, lock files, and cross-distro...
Level 1
Backups and recovery with rsync restic and snapshots
Learn how to combine rsync, restic, and snapshots into a layered Linux backup strategy, with restore drills and...
Level 1
Archiving and compression with tar gzip xz and zstd
Learn how tar, gzip, xz, and zstd differ in speed, ratio, and recovery behavior, with safe create/extract patterns and...
Level 1
Access control lists and special permissions
ACLs and special permission bits solve multi-user problems that basic rwx cannot. This guide shows practical...