Re: apt (or apt-get) cannot find a package that should be there

[Sven Joachim <svenjoac@gmx.de>]

On 2018-05-31 15:55 +0100, Eric S Fraga wrote:

> I am trying to install cmake on a buster system.  When I try "apt
> install cmake" (or equivalently with apt-get), I am told the package
> doesn't exist.  I have updated, checked and cleaned using apt-get
> several times.  The database is somehow corrupt as I know that cmake
> exists: searching on Debian's website clearly shows it there for
> buster and looking at the actual deb site shows cmake there.

Probably apt's cache is corrupt, I had seen something like this myself
some time ago.

> My apt/sources.list file is:
>
>     deb http://ftp.uk.debian.org/debian/ buster main non-free contrib
>     deb-src http://ftp.uk.debian.org/debian/ buster main non-free contrib
>
>     deb http://security.debian.org/debian-security buster/updates main non-free contrib
>     deb-src http://security.debian.org/debian-security buster/updates main non-free contrib
>     deb     [arch=amd64] http://emacs.secretsauce.net unstable main
>     deb-src [arch=amd64] http://emacs.secretsauce.net unstable main
>
> Any suggestions on how to fix this?

Delete /var/cache/apt/*.bin .  Next time you run one of the apt tools as
root, they will recreate those files.

Cheers,
       Sven