[kwlug-disc] Interesting problem i had yesterday with Ubuntu

[Znoteer]

On Mon, Dec 14, 2020 at 03:31:04PM -0500, R. Brent Clements wrote:
> I installed a piece of software using the command line yesterday, and apt
> reported a long list of packages that it claimed were redundant and could
> be removed with "sudo apt autoremove".  I didn't look very closely at the
> list, and when I ran the program and saw some of the packages being removed
> I became concerned.  I rebooted the computer to discover that the entire
> desktop system had been removed, and my computer booted into the command
> line login prompt.
> 

You might be able to determine what happened by looking in the logs.  This
is from Debian, but it should be the same on Ubuntu.

/var/log/dpkg.log
/var/log/aptitude
/var/log/apt/history.log
/var/log/apt/term.log

If you use unattended-upgrades, there might also be something interesting in 

/var/log/unattended-upgrades/

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