Automatic Installation - Download and preparation
Now we download and decompress the files needed for the installation, to do so, we execute the following commands as root user:
apt-get update && apt-get -y upgrade
apt-get install -y unzip
cd /tmp
wget --no-check-certificate -O installer.tgz "https://github.com/servisys/ispconfig_setup/tarball/master"
tar zxvf installer.tgz
cd *ispconfig*
bash install.sh
Quelle: https://www.howtoforge.com