Quick and dirty list of installed packages on deb based system

apt-cache -n dumpavail | grep 'Package:' | awk '{print $2 }'

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By: txmoose
2013-08-30 15:58:41

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  • I sometimes want to know what packages are installed on my Ubuntu system. I still haven't figured out how to use aptitude effectively, so this is the next best thing. This allows finding by name. The grep '^ii' limits the display to only installed packages. If this is not specified, then it includes listing of non-installed packages as well. Show Sample Output


    1
    dpkg --list '*linux*' | grep '^ii'
    piyo · 2009-02-13 17:05:37 1
  • Marks all manually installed deb packages as automatically installed. Usefull to combine with apt-get install <all manually packages that we want> to have a clean installed debian-based system.


    0
    aptitude -F "%p" search \!~M~i~T | xargs apt-mark markauto
    gspadari · 2012-03-09 13:44:00 0
  • This command lists all packages in a yum based system that no other packages depend on. Hence, these packages are good candidates for removal. It's a great command for cleaning up a yum based distribution after installation. Show Sample Output


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    package-cleanup --leaves --all
    drebes · 2009-02-05 13:51:27 0
  • The other commands were good, but they included packages that were installed and then removed. This command only shows packages that are currently installed, sorts smallest to largest, and formats the sizes to be human readable. Show Sample Output


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    dpkg-query --show --showformat='${Package;-50}\t${Installed-Size}\n' `aptitude --display-format '%p' search '?installed!?automatic'` | sort -k 2 -n | grep -v deinstall | awk '{printf "%.3f MB \t %s\n", $2/(1024), $1}'
    EvilDennisR · 2013-07-26 23:18:20 0

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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