pt3...@gmail.com: > > Is it true I should avoid APT and use some other frontend or, better, > dpkg directly?
Never use dpkg directly if you don't have to. Apt-get and aptitude are
both good frontends with similar capabilities. Which one you use is
mostly a question of personal preference. Only when doing distribution
upgrades (like from lenny to squeeze) you should read the release notes
and use the tool that it suggests.
> I tried aptitude, but I don't like ncurses-based tools. I prefer the
> classic command line if possible.
Most operations for apt-get are also valid for aptitude.
> How can I obtain the list of sources currently used by installed packages?
> For example, since I have "gcc" installed, it should show "main", and
> since I also have "firmware-iwlwifi", it should include "non-free",
> too.
> This is for checking if /etc/apt/sources.list is consistent with
> installed packages.
I am not aware of any method to do this. What exactly do you want to
find out? Installed packages which are not available on any mirror
anymore? -Use aptitude's "Obsolete and Locally Created Packages" list.
There is probably a search pattern for this as well (install
aptitude-doc-en).
> I'm not sure if the following procedure is right for staying up to date:
> apt-get update; apt-get upgrade; apt-get autoremove --purge; apt-get autoclean
I would leave out autoremove and autoclean, but then I use aptitude
which does this automatically and I have the following settings in
/etc/apt/apt.conf.d/local:
APT {
// settings for cron.daily/apt
// see: /etc/cron.daily/apt
Periodic {
AutocleanInterval "1";
MinAge "3";
MaxAge "7";
MaxSize "1024";
}
}
Apt contains a cron job which cleans the cache automatically according
to the settings above.
J.
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