Overview: Webmin is a OpenSource web-based interface for system administration. It allow us to configure operating system internals, such as users, disk quotas, services or configuration files
Webmin is running as its own process and web server with defaults TCP port is 10000
Platform: Linux Ubuntu 14.4 64BIT
Step by step:
Step 1: Add repository into local source list
#sudo nano /etc/apt/sources.list
deb http://download.webmin.com/download/repository sarge contrib
deb http://webmin.mirror.somersettechsolutions.co.uk/repository sarge contrib
Step 2: Add Webmin GPG key to apt to validate the repo
#wget -q http://www.webmin.com/jcameron-key.asc -O- | sudo apt-key add -
Step 3: update apt
#apt-get update
Step 4: download and install webmin
#apt-get install webmin
Step 5: login to webmin via web browser
https://webmin_server_address:10000/
Reference:
https://www.digitalocean.com/community/tutorials/how-to-install-webmin-with-ssl-on-ubuntu-14-04