On 01/13/2016 11:29 AM, Colin Watson wrote: > That's a rather strange summary of the code. The bit in the "else" > branch is in fact *non*-debconf prompting. Oops, re-read the code and you're right. A better summary of the code I guess would be:
if (debconf is available) then update non-interactively without prompting administrator else update interactively without debconf if a terminal is available fi The end result is still that, in normal situations, it will never confirm the changes with the admin, which means that changes made by the local admin will be silently reverted.