Posts

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...

Transferring files: FTP, SSH, SCP

Web operations: WGET, CURL

Networking utilities and tools: DNS and addresses

Introduction to networking: IP, DNS, Network Managers

Manipulating text utilities: TR, TEE, WC, CUT

Searching patterns inside files: GREP, STRINGS

Manipulating texts like a spreadsheet: AWK

Manipulating texts and lines: SORT, UNIQ, PASTE, JOIN, SPLIT

Filtering and transforming texts via stream editing: SED

Bash keyboard shortcuts

Commands history and recalling

Environment variables

Users and Groups

Simulating a command execution

Manipulating texts: ECHO and CAT

Backing Up and compressing

Comparing files and updating them via PATCH

Filesystem architecture