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

[Russ Pitman]

On Mon, Apr 08, 2002 at 09:25:17PM +0800, David & Lisa Buddrige 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
> 
> 
Try dpkg --get-selections \* >  <filename>  

View <filename> with less

-- 
		    ----russ----