This post will tell you how to install Webmin,a web-based interface for system administration for Unix (including  Raspbian).

This post is an update of How-to Install Webmin on a Raspberry Pi

Run the following commands in the terminal. You need superuser (root) access.

Dependancies
su
apt-get install perl libnet-ssleay-perl openssl libauthen-pam-perl libpam-runtime libio-pty-perl apt-show-versions python


Installation
wget http://prdownloads.sourceforge.net/webadmin/webmin_1.801_all.deb
dpkg --install webmin_1.801_all.deb
rm webmin_1.801_all.deb

Automatic updates
cd /root
wget http://www.webmin.com/jcameron-key.asc
apt-key add jcameron-key.asc

Edit the /etc/apt/sources.list file on your system and add the following line:
deb http://download.webmin.com/download/repository sarge contrib