Setup guide to install erlang, elixir and phoenix on a ubuntu trusty 14.04 linux system. Differs from official installation when installing erlang and elixir. Follow this guide to install the correct version according to system linux version.
How to generate a Key Pair for authentication without password when login to your server’s terminal. No need to remember passwords when you connect to a server or multiple servers. If you disable password authentication on your server and only to use keys, you eliminate brute-force password attacks and thus saving resources for serving web pages.