I just wanted to upgrade my ubuntu server from 14.04 to 16.04 LTS. During the installation of the packages my screen went off, showing 'no signal'. Normally this happens in screen energy saving mode. So i pressed arrow keys and tab keys on my keyboard but the screen is not coming back.
I still have access to the server via ssh. How can i tell now when the upgrade process is complete?
I just got back into the session via SSH.
While the upgrading process all stuff is running in a screen started by root. So first check, which screen root is using:
chris@server15:~$ sudo screen -list
There is a screen on:
6208.ubuntu-release-upgrade-screen-window (19/08/2016 05:20:12 PM) (Detached)
1 Socket in /var/run/screen/S-root.
So you can easily connect to this screen that contains the upgrade process:
chris@server15:~$ sudo screen -x -r
Now i was able to answer configuration file questions and complete the whole upgrade up to the reboot process. Puh! :)
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