Problems that may occur when upgrading ubuntu 16.04 to ubuntu 18.04!
When I upgraded the independent server system ubuntu16.04 to 18.04, I found that the operation was invalid and the upgrade did not take any action; later...
Problems that may occur when upgrading ubuntu 16.04 to ubuntu 18.04!
When I upgraded the independent server system ubuntu16.04 to 18.04, I found that the operation was invalid and the upgrade did not take any action; later...
