[nzlug] listing installed packages

[Craig Box]

On Wed, 2006-10-25 at 21:03 +1300, Peter Hewett wrote:
> In rpm systems, I'm used to using 
>  rpm -qa
> So to check what is installed, use (for example)
>  rpm -qa | grep python
> which lists all packages with "python" in the package name.
> 
> Is there an equivalent in Ubuntu (Debian)?

dpkg -l does much the same as rpm -qa.

so:

dpkg -l | grep python

Note, it will list installed packaged (state 'ii') but also packages you
have previously installed and removed, but not purged (ie, config files
are still left - state 'rc');

Craig