If you are having ubuntu desktop/laptop in your office or at home behind proxy aerver this tutorial is for you.This tutorial will explain How to Configure Ubuntu desktop/laptop to use your proxy server from terminal.
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When you initially install Ubuntu server they allow you to auto-configure it to your router. Today we upgraded internet, and that would change internet settings (changing routers, providers, etc.) I would appreciate if someone could tell me how to run the automatic configure code for internet configuration.