Error while updating ubuntu 16.04
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
32220
How to resolve Unmet dependencies error?
40885
What should I do when I got the KEYEXPIRED error message after an apt-get update?
135383
Unable to update my system Ubuntu13.04: Getting message - requires installation of untrusted packages
144507
No facility exists in Update Manager to upgrade to a new version, why?
130374
Error saying "unable to update ICE authority" while booting
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
103929
sudo apt upgrade error 18.04 (Broken Packages)
30754
Cannot update: "No available releases found"
46720
sudo apt update error: "Release file is not yet valid"
119920
Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
73068
cant install or remove anything on 18.04 cause of DPKG error
61473
Failed to fetch because of size mismatch error while upgrading
131270
What means "unable to make backup link of /binary before installing new version: No such file or directory"?
135575
How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
50810
No upgrade available for 19.04 from 18.10
76905
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application