apt-get update does not work
1520
How to install software or upgrade from an old unsupported release?
113379
Updating the repository isn't working
53498
How do I find packages to install via apt-get
83216
apt get update missing release file
122588
Can't connect to ubuntu archive when using apt-get update
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
13720
apt-get update fails to fetch files, “Temporary failure resolving …” error
66065
"Unable to connect" error with apt-get?
91491
How can I get "delta" packages to optimize apt-get upgrade downloads?
133
How can I fix a 404 Error when using a PPA or updating my package lists?
108510
apt-get update very slow, stuck at "Waiting for headers"
12379
How do I install Python 3.6 using apt-get?
152027
how to install packages with apt-get on a system connected via proxy?
60351
How can I update to a newer version of Git using apt-get?
43917
What is the difference between apt-get update and upgrade?
69037
How to use https with apt-get?
5877
"Failed to fetch" while updating