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16.4.2022 16:01:49

Find manually installed packages that has other packages depending on it on Debian based systems

Running command below generates a list of packages that can be marked as automatically installed, as long as apt-rdepends package were already installed. It generates a script that can be used to mark all found packages as manually installed.

echo \#\!/bin/bash > mark-auto.sh; apt-mark showmanual|xargs -I{} sh -c '[ "{}" = "$(apt-rdepends -r --state-follow=Installed --state-show=Installed {} 2>/dev/null)" ] || echo apt-mark auto {}' >> mark-auto.sh

It can be modified to mark packages automatically if preferred instead of writing to a script

apt-mark showmanual|xargs -I{} sh -c '[ "{}" = "$(apt-rdepends -r --state-follow=Installed --state-show=Installed {} 2>/dev/null)" ] || apt-mark auto {}'

Before running apt-get autoremove run it with pretend mode (-s), e.g

apt-get -s autoremove --purge

Mark any package not desired to be removed with

apt-mark manual <package>

reposted by linux schaaf