Problem: Installation of an App Does Not End

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#1

Problem:

The installation of an app takes several hours and does never end
No app is installable. Whatever app you are trying to install, you are getting the same endless installation.

Investigation:

When doing the installation on the command line with univention-app you will see the following output. You might see the same output when checking /var/log/univention/appcenter.log:

 33060 packages                         19-03-05 22:47:47 [    INFO]: Media change: please insert the disc labeled
 33060 packages                         19-03-05 22:47:47 [    INFO]:  'UCS Linux 4.3 GNU/Linux 4.3-3 _Ucs433_ - Official amd64 DVD Binary-1 20181209-22:04'
 33060 packages                         19-03-05 22:47:47 [    INFO]: in the drive '/media/cdrom/' and press [Enter]

Solution:

Remove all previously added lines in your file /etc/apt/sources.list by

echo > /etc/apt/sources.list
apt update

Restart the install process then.

See also.

#2
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