[TriLUG] debian (actually ubuntu) and apt-get

[stan briggs]

alan,

your suggestions below fixed the problem beautifully.

now, does this mean that the below set of commands would be good to run
regularly?

thanks,
stan

On 4/18/07, Alan Porter <porter at trilug.org> wrote:
>
>
> > is there something other than sources.list that determines where
> > apt-get/aptitude goes to get/search for packages? a friend of mine is
> > running the same release that i am (6.06 LTS). his sources.list is
> > identical
> > to mine but when i do an 'aptitude search dump' (looking for the bsd
> > dump/restore utilities) i get very different results (his has the
> > package in
> > there and mine does not).
>
> His cache might be newer/older than yours.
>
> I'm not sure when aptitude gets an updated list of packages.  But I do
> know how apt does it.  Aptitude sits on top of apt.  Here's what you
> need to run apt.
>
> *apt-get update* - fetches a list of all available packages
> *apt-get upgrade* - upgrades packages, but does not add new dependencies
> or delete old dependencies
> *apt-get dist-upgrade* - upgrades packages, adding and deleting
> dependencies as needed
> *apt-cache search keyword* - looks for a package
> *apt-get install package* - installs a package and dependencies
> *apt-get remove package* - removes a package (but leaves old dependencies)
>
> There's a nice utility called "deborphan" that shows old dependencies
> that are no longer needed.  I sometimes do a "apt-get remove --purge
> `deborphan`" to clean up old libraries.
>
> If you want to dive a little deeper, apt sits on top of dpkg.  About the
> only time I use dpkg is to clean things up or reconfigure a package.
>
> *dpkg --remove --purge package*
> *dpkg-reconfigure package*
>
>
> Alan
>
>
>
>
>
> .
>
>
>
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Stan B. Briggs
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