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Remove unused dependencies (apt autoremove)

caution rootDebian and APTdebian, ubuntu

Caution: This command changes the system. Understand what it does before you run it.

root@server
apt autoremove

Removes packages that were once installed as a dependency and are no longer needed by any installed package. Typical candidates are old kernels and libraries after a version change. Before removing anything, apt shows the list and waits for confirmation, and configuration files are kept.

Note: Check the list before confirming. If a package you need was only installed as a dependency, it will be removed too. Prevent that beforehand with apt-mark manual paketname.

Also searched as

  • remove old kernels debian
  • apt autoremove unused packages
  • packages were automatically installed and are no longer required

Related one-liners

All in Debian and APT

Delete downloaded package files from the apt cache

#du -sh /var/cache/apt/archives && apt clean
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Check whether a reboot is required after updates

$if [ -f /var/run/reboot-required ]; then cat /var/run/reboot-required.pkgs; else echo "Kein Neustart vermerkt"; fi
harmlessDebian and APT

Fix an interrupted installation and broken dependencies

#dpkg --configure -a && apt --fix-broken install
cautionDebian and APT

Hold a package at its current version (apt-mark hold)

#apt-mark hold mariadb-server
cautionDebian and APT

Release a held package for updates again

#apt-mark unhold mariadb-server
cautionDebian and APT

Show available package updates

#apt update && apt list --upgradable
harmlessDebian and APT

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