On Ubuntu 12.04, how can I find out
- when an application was installed and
- when the applications/libraries it depends on are installed/upgraded/updated?
My Okular doesn't work any more. I guess it might be because something it depends on has been upgraded.
/var/log/apt/history.log
for history of installations/removals usingapt
. – Faheem Mitha Apr 21 '14 at 18:14