[Nottingham] Debian system repair/check/reinstall

[Nick Leverton]

On Thu, Apr 11, 2013 at 10:24:49PM +0100, Martin wrote:
> Folks,
> 
> I've a Debian system that is now rather cranky after a filesystem
> upset... It appears to be generally fine other than suffering something
> sending it awol occasionally...
> 
> So... What's the Debian or apt-get incantation to check or reinstall the
> packages it thinks it should have?

debsums may be of use for checking the installation.

The man page also suggests 
apt-get install --reinstall $(dpkg -S $(debsums -c) | cut -d : -f 1 | sort -u)
      Reinstalls packages with changed files.

Nick