apt not working in Ubuntu server
19565
Restore default apt repositories in sources.list from command line
66065
"Unable to connect" error with apt-get?
121470
How to install 'add-apt-repository' using the terminal?
2564
apt-get cannot connect to Ubuntu archives
57661
How does apt-get really work?
8722
How to make apt recognize an installed tar package?
124605
Apt server certificate error with download.01.org
158674
How do I get `apt-get update` to work on a machine with no internet access and manually assigned IP address?
16578
How to upgrade a single package using apt-get?
12534
14.04 --> 16.04 failed; apt (>= 1.0.1ubuntu2.13)' is not installed
115722
Apt sources.list problem , packages not found?
15494
Why can't apt resolve names?
10381
ModuleNotFoundError: No module named 'apt_pkg' error
120872
What is apt-cache used for?
93246
How to resolve conflicting distributions in apt-get
33328
apt-get stuck at 0 [Connecting to us.archive.ubuntu.com]
116937
Why apt can't find the source code of any package?