How to check what have installed in Debian/Ubuntu

November 21st, 2006 mysurface

To check what have install by listing all using dpkg is easy. dpkg -l To check whether a package is install also easy. dpkg -l | grep apache The command above is some how redundant, because dpkg support wild characters, doing this instead dpkg -l “apache*” By doing this, it will also list the package [...]

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