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Re: how to tell what packages are unused on a debian server?

On Fri, 2010-10-29 at 06:12 -0400, Robert P. J. Day wrote:
> just a cleanup-related question but on a debian lenny server that
> i've inherited, i'm curious to know which packages have no value
> whatever and that i can delete.  i recall there's a utility that will
> identify unused libraries but i'm curious about what else i can
> pinpoint that can be removed.

apt-get autoremove

will help you remove packages that are not needed by other packages !

>   this system is a web/mail server and, since its IP address is
> assigned statically and another system is responsible for all DNS/DHCP
> functionality internally, i conclude that i can remove the
> dhcp-related packages.  that's just one example.

this is a bit more "human dependent" ... the packaging system can not
tell what packages _you_ don't want...

I'dd suggest "dpkg -l" and start looking at the one-by-one trying to
identify things you don't want.

then "apt-get remove package-i-dont-want" ... but be carefull with the
things that will be cascade-removed !!! read the messages carefully
before saying the final "Yes" :)


>   any utilities that can help out in this regard?  thanks.
> rday
> -- 
> ========================================================================
> Robert P. J. Day                               Waterloo, Ontario, CANADA
>                         http://crashcourse.ca
> Twitter:                                       http://twitter.com/rpjday
> LinkedIn:                               http://ca.linkedin.com/in/rpjday
> ========================================================================

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