[Bug 1693054] Re: package at 3.1.18-2ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Nish Aravamudan]

Hello and thank you for reporting this bug.

Do you still get any errors if you run:

sudo apt update
sudo apt -f install
sudo apt full-upgrade

If you do, can you attach the output to this bug?

'atd' claims:

Setting up at (3.1.18-2ubuntu1) ...
Failed to connect to bus: Connection refused
Failed to connect to bus: Connection refused
Failed to connect to bus: Connection refused
Failed to connect to bus: Connection refused
Failed to connect to bus: Connection refused
invoke-rc.d: initscript atd, action "start" failed.
dpkg: error processing package at (--configure):
 subprocess installed post-installation script returned error exit status 1

but it's unclear which bus it's failing to connect to and why exactly.

Please mark the bug as New once you provide the requested information.

** Changed in: at (Ubuntu)
       Status: New => Incomplete

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Title:
  package at 3.1.18-2ubuntu1 failed to install/upgrade: subprocess
  installed post-installation script returned error exit status 1

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