linux proxy config

apt

File: /etc/apt/apt.conf

Acquire::http::proxy "http://username:password@proxy:port/";
Acquire::ftp::proxy "ftp://username:password@proxy:port/";
Acquire::https::proxy "https://username:password@proxy:port/";

curl

File: $HOME/.curlrc

proxy = user:password@example.net:3128

wget

File: $HOME/.wgetrc

use_proxy = yes
http_proxy = example.net:3128
https_proxy = example.net:3128

git

File: $HOME/.gitconfig

[http]
	proxy = http://user:password@proxy:port

[https]
	proxy = https://user:password@proxy:port

git config --global http.proxy http://user:password@proxy:port

git config --global https.proxy https://user:password@proxy:port