Comment 5 for bug 1020285

13:41 < infinity> It would, perhaps, be vaguely close to harmless to have a one-time addition to the kernel postinst
                  that just does date -u -s "$(date -u -R)" (extra switches there to make sure locales and ambiguous
                  timezones don't mess with you).
13:47 < slangasek> infinity: any package other than the kernel could use a version check in the postinst
13:47 < slangasek> e.g. base-files