check https://askubuntu.com/questions/519/how-do-i-write-an-application-install-shell-script http://howto.blbosti.com/2010/02/simple-ubuntu-install-script/ https://gist.github.com/bradchesney79/41f711d6dcd4e2ed8925de0f32aab01b https://github.com/dinukasal/install/blob/master/install.sh https://github.com/tycheventures/VM-Automations/commit/864107e65d182503a533095fb8b9bbf8cb485df2#commitcomment-48166302