How to find date/time of last apt update?

[Karl Auer]

On Wed, 2022-05-11 at 10:36 +0100, Chris Green wrote:
> I generally update my systems using apt from the command line.  Is
> there a way to find out when I last ran 'apt update' or 'apt
> upgrade'?

Look in /var/log/apt/history.log

Not sure there will be an entry for a run that did not actually install
or upgrade anything, so maybe not a complete answer to your question.

If you generally run apt with sudo, you can look in /var/log/auth and
grep for "COMMAND" and "apt".

Regards, K.

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