terminal set vpn - Serbipunk/notes GitHub Wiki

https://askubuntu.com/a/584183

export the below variables in terminal

export http_proxy='http://proxyServerSddress:proxyPort'    
export https_proxy='https://proxyServerSddress:proxyPort'

export http_proxy="127.0.0.1:7890"
export https_proxy="127.0.0.1:7890"

and use the following commands to disable proxy

unset http_proxy
unset https_proxy