debian:
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

centos:
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