Linux using proxy

====CentOS yum using proxy====
#vi /etc/yum.conf
proxy http://proxy-server-ip:port

====Ubuntu 16.04 apt using proxy====
#vi /etc/apt/apt.conf
Acquire::http::Proxy "http://proxy-server-ip::8080";


====git using proxy====
git config http.proxy http://proxy.server:port
git config http.proxy http://myusername:mypassword@proxy.server:port

git config --global http.proxy http://proxy.server:port

====wget using proxy====
~/.wgetrc
use_proxy = on
http_proxy =  http://username:password@proxy.server.address:port/
https_proxy =  http://username:password@proxy.server.address:port/

ftp_proxy =  http://username:password@proxy.server.address:port/