Could not run sudo apt-get update
6809
How do I fix the GPG error "NO_PUBKEY"?
66744
Apt "Connection failed"
95593
sudo apt-get update returns an error
93246
How to resolve conflicting distributions in apt-get
149984
Can't update or install anything. Ubuntu 3.11.0.14
69960
What is sudo apt-get -f install?
47119
Sudo comes up with an error, cannot run anything as root
4711
Can't execute terminal commands: "the command 'sudo' is available in '/usr/bin/sudo'"
60784
relocation error using sudo apt
30068
Update: Failed to lock /var/cache/apt/archives/lock
12534
14.04 --> 16.04 failed; apt (>= 1.0.1ubuntu2.13)' is not installed
153142
Cannot run apt update in a Debian docker container
73032
Installing apt-get
157904
error 503: service unavailable when using apt-get update behind proxy
31899
" sudo: source: command not found"
30754
Cannot update: "No available releases found"
84803
sudo apt get update gives error - The package cache file is corrupted