https://gist.github.com/lastdecembers/bf8a85313fb5e5befd146d67a4d2aa11https://gist.github.com/lastdecembers/d541459ef73f4ab304d4a2796f5d54d7https://answers.launchpad.net/ubuntu/+question/687427https://answers.launchpad.net/ubuntu/+question…