dpkg --list '*linux*' | grep '^ii'

Show one line summaries of all DEB packages installed on Ubuntu based on pattern search

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.
Sample Output
ii  linux-headers-2.6.24-23                    2.6.24-23.48                      Header files related to Linux kernel version 2.6
ii  linux-headers-2.6.24-23-virtual            2.6.24-23.48                      Linux kernel headers for version 2.6.24 on x86
ii  linux-headers-virtual                      2.6.24.23.25                      Linux kernel headers for the virtual flavour
ii  linux-image-2.6.24-23-virtual              2.6.24-23.48                      Linux kernel image for version 2.6.24 on x86
ii  linux-image-virtual                        2.6.24.23.25                      Description: Linux kernel image geared towards v
ii  linux-libc-dev                             2.6.24-23.48                      Linux Kernel Headers for development
ii  linux-restricted-modules-common            2.6.24.16-23.56                   Non-free Linux 2.6.24 modules helper script
ii  linux-sound-base                           1.0.16-0ubuntu4                   base package for ALSA and OSS sound systems
ii  linux-ubuntu-modules-2.6.24-23-virtual     2.6.24-23.37                      Ubuntu supplied Linux modules for version 2.6.24
ii  linux-virtual                              2.6.24.23.25                      Complete Linux kernel geared towards virtualised
ii  util-linux                                 2.13.1-5ubuntu3                   Miscellaneous system utilities
ii  util-linux-locales                         2.13.1-5ubuntu3                   Locales files for util-linux

1
By: piyo
2009-02-13 17:05:37

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What Others Think

Piping dpkg output through some command is also a great way to get the full package name. I used to get frustrated when doing a dpkg -l 'linux*' ...since the package name would get chopped off after 14 characters. Simply piping things through 'cat' will print the whole package name: dpkg -l 'linux*' | cat
mulad · 482 weeks and 5 days ago

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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