Unable to update ubuntu via terminal through a proxy server
19099
407 Proxy Authentication Required
141016
Way to avoid ssh connection timeout & freezing of GNOME Terminal
119589
Set up Proxy server on Ubuntu
60351
How can I update to a newer version of Git using apt-get?
121873
sudo apt-offline install not updating
21184
Running "sudo apt-get update" returns connection errors
78325
How to setup proxy server on XP to test software?
75879
How do I get add-apt-repository to work through a proxy?
135383
Unable to update my system Ubuntu13.04: Getting message - requires installation of untrusted packages
74866
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
113379
Updating the repository isn't working
90822
How can I install just security updates from the command line?
8873
Configure proxy for APT?
64509
Can't update from official repositories [Error 409]
21382
What does "sudo apt-get update" do?
152027
how to install packages with apt-get on a system connected via proxy?
127895
403 Forbidden error in sudo apt-get upgrade ubuntu 17.4