Host - Debian 9 / VB 6
after entering the command:
$ sudo apt-get-update-plus dist-upgrade
4 new packages are installed and 2 upgraded
But in the end, the process hangs on the next:
Deleting system.map files …
removed ‘/boot/System.map-4.19.0-9-amd64’
Done. Success.
Further the cursor blinks. Nothing happens for hours.