Why I can not update my programs
2788
How do I free up more space in /boot?
76241
"no public key available" while upgrading using update-manager
72485
Why is a restart only required on some updates?
64509
Can't update from official repositories [Error 409]
50810
No upgrade available for 19.04 from 18.10
5820
How to fix the “Unable to calculate upgrade” issue from command line when upgrading from 12.04 to 14.04?
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
50092
Commands out of sync; you can't run this command now
31506
How do I update Ubuntu manually?
80106
How do I enable automatic updates?
87306
Problems updating Python from the repositories today (Feb 25, 2021)
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
41519
What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
127852
How do I update a program installed from a manually-downloaded deb package?
81737
Why don't applications update by calculating difference?
51350
While updating the ubuntu 16.04 does not have a Release file Error
7460
E: Unable to correct problems, you have held broken packages