What is Webmin?
Webmin is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more. Webmin removes the need to manually edit Unix configuration files like /etc/passwd, and lets you manage a system from the console or remotely. See the standard modules page for a list of all the functions built into Webmin.
sudo nano /etc/apt/sources.list
#
deb http://download.webmin.com/download/repository sarge contrib
cd /tmp
wget http://www.webmin.com/jcameron-key.asc
sudo apt-key add jcameron-key.asc
sudo apt update
sudo apt install webmin
server:10000
webmin-configuration-install theme
http link http://theme.winfuture.it/bwtheme.wbt.gz