mcedit /etc/apt/sources.list
... #webmin deb http://download.webmin.com/download/repository sarge contrib
apt update wget -q -O- http://www.webmin.com/jcameron-key.asc | sudo apt-key add apt update cp /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d apt update apt install webmin ls -l /usr/lib/systemd/system | grep service ls -l /usr/lib/systemd/system | grep service | grep webmin systemctl enable webmin.service systemctl start webmin.service