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66 lines
1.6 KiB
Markdown
66 lines
1.6 KiB
Markdown
# Dpkg
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## Table of contents <!-- omit in toc -->
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1. [TL;DR](#tldr)
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1. [Further readings](#further-readings)
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1. [Sources](#sources)
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## TL;DR
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```sh
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# Reconfigure packages.
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dpkg-reconfigure --priority 'low' 'unattended-upgrades'
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# Find which package provides a file already present on a system.
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dpkg -S '/path/to/file'
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# Find which files were installed by a package.
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dpkg -L 'cfengine3'
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# Find which files would be installed by a local package.
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dpkg --contents 'cfengine3.deb'
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# List available extra architectures.
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dpkg-architecture --list-known
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# Add extra architectures.
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dpkg --add-architecture 'i386'
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# List added extra architectures.
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dpkg --print-foreign-architectures
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# List all installed packages of the i386 architecture.
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dpkg --get-selections | grep 'i386' | awk '{print $1}'
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# Remove all traces of the i386 architecture.
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apt-get purge \
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"$(dpkg --get-selections | grep --color=never 'i386' | awk '{print $1}')" \
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&& dpkg --remove-architecture 'i386'
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```
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## Further readings
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- [`apt`][apt]
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## Sources
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All the references in the [further readings] section, plus the following:
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- [How to check if dpkg-architecture --list has all the architectures?]
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- [List of files installed from apt package]
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<!--
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References
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-->
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<!-- In-article sections -->
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[further readings]: #further-readings
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<!-- Knowledge base -->
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[apt]: apt.md
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<!-- Others -->
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[how to check if dpkg-architecture --list has all the architectures?]: https://askubuntu.com/questions/852115/how-to-check-if-dpkg-architecture-list-has-all-the-architectures#852120
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[list of files installed from apt package]: https://serverfault.com/questions/96964/list-of-files-installed-from-apt-package#96965
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