Get all dependencies
#apt-get install perl libnet-ssleay-perl openssl libauthen-pam-perl libpam-runtime libio-pty-perl apt-show-versions python
Get Debian installer from Webmin site – check for updated location
#wget https://prdownloads.sourceforge.net/webadmin/webmin_1.620_all.deb
Run the installer
#dpkg --install webmin_1.620_all.deb
The install will be done automatically to /usr/share/webmin, the administration username set to root and the password to your current root password. You should now be able to login to Webmin at the URL https://localhost:10000/. Or if accessing it remotely, replace localhost with your system’s IP address.