Guaranteeing running code is signed

[Bruno Wolff III]

On Sun, May 10, 2009 at 22:30:12 +0300,
  Ahmed Kamal <email.ahmedkamal at googlemail.com> wrote:
> Yes, I'm after making sure the system is in "known-clean" state, after a
> bad-admin/intruder has "potentially" deliberately inserted malicious code
> somewhere on the server
> 
> Comments and thoughts are appreciated

It'd probably be easier to back up the data, wipe the machine, reinstall
and restore the data.