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Searching for package information on Debian and Ubuntu systems

Posted by: Anonymous [ip: 84.14.5.193] on October 29, 2008 09:09 AM
You really want to look further into aptitude manual, which has a very powerful search feature...

You also forgot to mention apt-file, which can perform search on the content packages which are not currently installed.

I personally use a combination of :
- "aptitude search" to find information about packages (description, dependencies, installation status)
- "dpkg -S <file>" to find out which package a particular file belongs to
- "dpkg -L <package>" to find out which files a package contains
- as dpkg only queries installed package, is use "apt-file find <file>" and "apt-file list <package>" as a last resort. apt-file works on the full database of packages, installed or not...and it supports regexp as well. The only drawback being it is generally much slower than its counterparts...

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