Error when update ubuntu 19.04 to 20.04?
9901
How to upgrade from 18.10 to 19.10, using the command line?
88646
After upgrade to 20.10 Thunderbird stops with parsing error
46720
sudo apt update error: "Release file is not yet valid"
100135
What does "upgrade to 18.04" mean?
90937
apt-get update errors
72603
Unsupported major.minor version 52.0
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
6833
Why is my Ubuntu 18.04 distribution asking me to upgrade to Pop!_OS 19.10?
86777
Distribution upgrade problem "No new release found"
32220
How to resolve Unmet dependencies error?
5316
Update from 14.04 to 16.04 failed with GPG error
31506
How do I update Ubuntu manually?
77705
Unable to upgrade in ubuntu
120161
Ubuntu 19.04 problems install upgrades
76905
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
117728
sudo apt update error
6173
"method driver /usr/lib/apt/methods/https could not be found" update error