3.1 Shell & Linux

4 entries match these filters

• 0058 Safe bash script template with set ‑euo pipefail and trap A starting point for bash scripts that stops on errors, rejects unset variables, cleans up temp files on exit and parses options.… Intermediate · Reference · Linux, macOS Script Shell scripting 15 Oct 2026
• 0059 Incremental snapshot backups with rsync A bash script that copies a folder into dated snapshots with rsync, hard-links unchanged files to the previous snapshot to save space,… Advanced · How-to · Linux, macOS Script Backups & syncing · Shell scripting 15 Oct 2026
• 0060 Find the biggest files and folders eating your disk A short bash script that lists the largest files over a size limit and the largest subfolders, using find, du, sort and… Beginner · How-to · Linux, macOS Script Finding files & text · Text processing 15 Oct 2026
• 0061 Fix: Address already in use (free a busy port) Your server cannot start because another process already listens on its port. This script shows which process holds the port and stops… Intermediate · Fix · Linux, macOS Script Processes & ports · Shell scripting 15 Oct 2026