"Cannot resolve proxy hostname " when installing an application
113929
Ubuntu Software Center buy button doesn't work
97023
Python HTTPS requests (urllib2) to some sites fail on Ubuntu 12.04 without proxy
95317
/etc/hosts modification does not work properly. What to do?
117055
How do I set a default host for nginx?
53099
How to fix "-5 No address associated with hostname error" while updating?
6420
Is there any shortcut/easy way to switch this system proxy settings?
52273
How do I set system-wide proxy servers in Xubuntu, Lubuntu or Ubuntu Studio?
14336
apt-get doesn't work behind a proxy
84962
Can I safely disable WinHttpAutoProxySvc if I don't have a proxy?
26426
Configure VirtualBox to connect to Internet through proxy
157403
Why do my proxy settings keep changing?
34126
ubuntu server not resolving LAN hostnames
157254
Proxying fake domain to a localhost port
60772
dns prefetch / pre-resolve hostname - how effective?
100776
Workaround to have a Standalone proxy settings for Chrome
15414
How do I change the hostname without a restart?
91967
Virtual Host not working as expected when I'm using .dev domain extension