I got a problem upgrading packages on Ubuntu 12.04.5 LTS
18099
Not enough space in /var/cache/apt/archives/
32200
How do I downgrade a package?
9841
How can I fix "E:The package linux-modules-5.4.0-56-generic needs to be reinstalled, but I can't find an archive for it."?
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
4268
How to fix "Package is in a very bad inconsistent state" error?
31793
The following packages have unmet dependencies!
1632
How do I fix a "Failed to download package files" error?
32426
How to install packages?
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
17645
Unable to upgrade pip
44209
Problem with update-manager: No module named 'apt_pkg' in Ubuntu 13.10, having installed Python 3.4 on /usr/local/lib
18052
How to remove/install a package that is not fully installed?
80233
Upgrade to 20.04 from 19.10 isn't available
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
4853
Trouble downloading packages list due to a "Hash sum mismatch" error
109624
How do I tell apt to never upgrade a particular package?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up