https://www.digitalocean.com/community/tutorials/how-to-install-webmin-on-ubuntu-16-04
``
sudo vi /etc/apt/sources.list
//add to list
deb http://download.webmin.com/download/repository sarge contrib
$ wget http://www.webmin.com/jcameron-key.asc
$ sudo apt-key add jcameron-key.asc
$ sudo apt-get update
$ sudo apt-get install webmin
// https://ip:10000 // login with root user
``