"Release file is not valid yet" and other errors when running apt-get update
133
How can I fix a 404 Error when using a PPA or updating my package lists?
135575
How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
6173
"method driver /usr/lib/apt/methods/https could not be found" update error
8525
Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file
156977
Unable to install files with apt-get: "unable to locate package"
113442
apt-get not working on Ubuntu 16.04, problems with kernel packages
113145
What does 'apt-get install update' do?
122274
Release file for http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease is not valid yet
41519
What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
83216
apt get update missing release file
64509
Can't update from official repositories [Error 409]
13720
apt-get update fails to fetch files, “Temporary failure resolving …” error
85009
`apt update` failed on Debian Linux
135985
Apt-get saying "Unable to correct problems, you have held broken packages."
43917
What is the difference between apt-get update and upgrade?
21184
Running "sudo apt-get update" returns connection errors
122588
Can't connect to ubuntu archive when using apt-get update