Linuxパソコン・サーバーのUbuntuにプロキシサーバーを設定する方法について紹介します。
sudo vim /etc/environment
export http_proxy="http://username:password@150.95.0.0:12345"
export https_proxy="http://username:password@150.95.0.0:12345"
export ftp_proxy="http://username:password@150.95.0.0:12345"
export HTTP_PROXY="http://username:password@150.95.0.0:12345"
export HTTPS_PROXY="http://username:password@150.95.0.0:12345"
export FTP_PROXY="http://username:password@150.95.0.0:12345"