Don't "diff" when updating MYSQL.
That bricked our live system during the headless apt-get upgrade that the system update started because it was waiting for a response and left MANY packages in an unconfigured state.
Select the default option!!!
And many thanks again for the two days of wasted time. :(
Could you explain your problem in more details?
Which package had “diff” call included and requested a user input?
UPD: Sorry, we are closing the request as no information were provided for over a month.
i has found my "unsend" folder next to "unwritten".
and many emails onhold…
takse some hours to rewrite the unwritten and send the unsendet.
but i has weekend.
hopefully all unwritten email, that has not come to my account are at yours now…