pupeno

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After some time of using gentoo, I've installed a lot of applications. A lot
that where needed only once, or that I just tested or something like that.
I'd like to get rid of all those applications (to save HD, to have a cleaner
system, to make recompiling the whole system faster, if I ever do it).
Doing this clean is proving to be very hard on Gentoo while it is very easy on
other distributions, I just go package by package seeing if it is something I
know I need, if it isn't, I see if it is needed by something I need, checking
which packages depend on it.
How can I do it on Gentoo ?
I see that qpkg -q X, is supoused to list which packages depend on X, but it's
TERRIBLE slow. It takes minutes!
Any comands that can make it faster or help me in any way ?
Thanks.
- --
Pupeno: pupeno@pupeno.com - http://www.pupeno.com
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neil bothwick

Use qpkg -q -I to only check installed packages. Or use "emerge depclean
-p" to list and clean out unused dependencies. It is advisable to run
revdep-rebuild after a cleanup session.


--
Neil Bothwick

"Bother," said Pooh, when he found Tigger stoned on his hash

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thomas matthijs

Best way i can think of is:
remove everything you don't want from your world file
(/var/lib/portage/world)
then emerge depclean
Now depending on how mutch you change USE flags things can and will be
broken
so you want to run revdep-rebuild (from gentoolkit package)
and emerge --update --deep --newuse world (to remerge package that have
changed use flags)
(not necesarily in this order.)

(assumes portage 2.0.51+)

--
Thomas Matthijs (axxo,knu,keanu)
jabber: axxo[at]amessage[dot]be
GPG Key-ID: 0x682A3231

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thomas kirchner

There's a tool for just this job, called dep, written by ecatmur from the forums. It's an amazing little tool. You can check dependencies, virtuals, redundancies in your world file, etc. and it's quite fast.
http://home.jesus.ox.ac.uk/~ecatmur/my-bin/dep
There are a lot of other good scripts in his my-bin directory if you're interested.
Tom

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