Howto upgrade debian
update from 10 to 11
list all packages in hold status:
sudo apt-mark showhold
if any packages appear in the list, remove the hold status for each package:
sudo apt-mark unhold [package_name]
list all packages in hold status:
sudo apt-mark showhold
if any packages appear in the list, remove the hold status for each package:
sudo apt-mark unhold [package_name]