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Re: SSH and Debian
Hi, Gaal!
On Mon, Jul 24, 2000 at 08:56:22AM +0300, you wrote the following:
> > > But another question: I don't have grep-available on my system. What
> > > package provides it?
> >
> > grep-dctrl
>
> Okay, thanks! Any idea why this thing isn't installed by default?
> It's 28k of download and takes 127k of space. (If grep-available is
> the only thing it does it looks a bit bloated to me, but even so,
> it's a valuabe tool I expected to have on my system already.)
Because it's not part of the dpkg suite, it's just something that
someone wrote. Maybe sometime it will be added to dpkg, but probably
not.
> > > (And while we're at it, how do I find out what package provides a
> > > given file or functionality?)
> >
> > I don't know about functionality (what do you mean by that?), but to
>
> It's a vague term that no packaging system that I know has ever
> defined very clearly, but sort of like smail, sendmail and
> postfix all provide "mail-transport-agent" functionality (I don't
> know whether they are all available in debian, just an example).
Oh, in Debian it's defined pretty clearly. It's called a "virtual
package", and it's quite extensively used. "mail-transport-agent" is
indeed a virtual package in Debian. :-) To see which packages provide
it, type "apt-cache showpkg mail-transport-agent" and look at the
"Reverse Provides" section.
> > find the package that includes a certain file, go to
> > http://packages.debian.org/ and use the bottom search box. (The top
> > one allows you to search descriptions of packages.)
>
> Okay, thanks! Is there a command line tool to query that search
> engine that you know of?
Instead of the top search form you can use "apt-cache search". To find
files though you have to go to the web since apt doesn't keep a list
of files of all the archive (and it can't, really, because the
Packages file doesn't include that information).
--
Alex Shnitman | http://www.debian.org
alexsh@hectic.net, alexsh@linux.org.il +-----------------------
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/real/ kernel hackers
dd if=/dev/urandom of=/vmlinuz
and influence the Universal Randomosity Field.
-- Gaal Yahas
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