Can't do sudo apt-get update
65
What can I do if a repository/PPA does not have a Release file?
152823
PPAs will not install "sudo: add-apt-repository: command not found"
49512
Difference between 'sudo apt-get' and 'sudo -E apt-get'
35152
Dependency errors for python3 and many others when I run sudo apt-get upgrade
21184
Running "sudo apt-get update" returns connection errors
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
12368
A "failed to fetch" error occurs when apt-get update is run. How do I fix this?
135985
Apt-get saying "Unable to correct problems, you have held broken packages."
4124
I cannot run apt update properly - apt update hangs
69960
What is sudo apt-get -f install?
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
15413
sudo apt update always giving Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
113379
Updating the repository isn't working
39053
16.04 apt-get update hangs
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
33328
apt-get stuck at 0 [Connecting to us.archive.ubuntu.com]
127895
403 Forbidden error in sudo apt-get upgrade ubuntu 17.4