apt-get upgrade fail
3298
How do I resolve unmet dependencies after adding a PPA?
126343
How to downgrade a package via apt-get?
7357
upgrade to 13.10 stalled and restart failed
1632
How do I fix a "Failed to download package files" error?
108510
apt-get update very slow, stuck at "Waiting for headers"
95593
sudo apt-get update returns an error
122742
Why does apt-get install a newer dependency than supported by the specified package
135575
How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
144507
No facility exists in Update Manager to upgrade to a new version, why?
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
80899
"no public key available" on apt-get update
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
13054
Failing package manager?
84988
apt-get build-dep is unable to find a source package
135985
Apt-get saying "Unable to correct problems, you have held broken packages."
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
28650
`apt-get update` cannot find Ubuntu servers