ubuntu/debian package problem

[Shachar Shemesh]

geoffrey mendelson wrote:
> Ok, I did something stupid. I have two similar ubuntu systems. 
> Noticing that some packages I need are missing on one but not knowing 
> which ones,
> I did a list of them using:
>
> dpkg --get-selections > installed-software
>
> Then I used grep to weed out only the installed ones, and went to the 
> other system and entered:
> dpkg --set-selections < installed-software
>
> Then I tried to do a dselect, which wants to delete several packages I 
> really want to keep.
> Is there any way to keep those packages? Or at least find out which 
> ones are forcing removal of it, so I can deselect them?
aptitude has a reverse dependency tracking tool. You can look at a 
package, and ask "which package X on it", where X can be, among other 
things, conflict. This should tell you which packages are causing your 
package to be removed.

Shachar


-- 
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
http://www.lingnu.com

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