[plug] finding out what packages are installed using apt-cache

[Ryan]

dpkg -l {package name}

or preferably

dpkg -l | grep {bits of package name}

Ryan

At 09:25 PM 8/04/02 +0800, you wrote:
>Hi all,
>
>I've just got my first debian system up-and-running, and am coming up to
>speed, having mostly used redhat and slackware systems previously.
>
>My hard-drive is fairly chokka at this point, and am subsequently wanting to
>see what I can remove to free up some space.  I've already run apt-get clean
>to clear out the .deb's that were buffered on the hard-drive, and my next
>step was to read the manual page for apt-get and apt-cache.  The apt-cache
>command
>
>     apt-cache pkgnames
>
>seemed the most obvious one to list what's on the system, and having run it,
>I identified a couple of packages that could probably go.
>
>I then ran
>
>     apt-get remove <packagename>
>
>to remove the package, however apt-cache then informed me that the package
>concerned was not installed.  It seems that this is listing *all* packages
>(presumablty that were available on the ftp site that I installed from) -
>whether they're installed or not.  The only other options that appear in the
>manual seem to want you to type in the name of the package that you are
>interested in; could someone enlighten me as to how to find out which
>packages are *installed*.
>
>thanks heaps in advance guys
>
>David Buddrige