BADSIG error with apt-get update
6105
What is the easiest way to resolve apt-get BADSIG GPG errors?
122588
Can't connect to ubuntu archive when using apt-get update
39053
16.04 apt-get update hangs
91491
How can I get "delta" packages to optimize apt-get upgrade downloads?
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
148965
apt vs apt-get error code
156977
Unable to install files with apt-get: "unable to locate package"
12368
A "failed to fetch" error occurs when apt-get update is run. How do I fix this?
150033
E: Sub-process /usr/bin/dpkg returned an error code (1) for almost all updates
4853
Trouble downloading packages list due to a "Hash sum mismatch" error
4268
How to fix "Package is in a very bad inconsistent state" error?
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
63363
apt-key is deprecated
127895
403 Forbidden error in sudo apt-get upgrade ubuntu 17.4
95593
sudo apt-get update returns an error
74227
dpkg error when using apt-get install