Automate safe system upodates with a single script (for APT + systemd systems)

THE PROBLEM Keeping a Linux system fully updated usually means doing several things by hand: Update APT package lists Upgrade installed packages Remove unused dependencies and cached files Update Flatpak apps (if you use Flatpak) Update firmware via fwupd (if available) Decide whether to reboot or shut down None of that is hard, but it is repetitive and easy to skip steps, especially firmware updates. This script turns that whole workflow into a single, safe command. REQUIREMENTS This script assumes: Package manager Uses APT Example: Debian, Ubuntu, Linux Mint and similar Init system Uses systemd (for systemctl reboot/poweroff) Shell bash (script uses “#!/usr/bin/env bash” and “set -euo pipefail”) You can run it with: bash script.sh Privileges Your user has sudo rights Optional components Flatpak (optional) If not installed, Flatpak steps are skipped fwupd (fwupdmgr, optional) If not installed, firmware steps a...

Bash keyboard shortcuts

CTRL-L
Clears the screen

CTRL-D
Exits the current shell

CTRL-Z
Puts the current process into suspended background

CTRL-C
Kills the current process

CTRL-H
Works the same as backspace

CTRL-A
Goes to the beginning of the line

CTRL-W
Deletes the word before the cursor

CTRL-U
Deletes from beginning of line to cursor position

CTRL-E
Goes to the end of the line

Tab
Auto-completes files, directories, and binaries


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