2. Prerequisites
To be able properly complete the setup of the CentOS Server you will need at least the following configuration details before starting the installation as well as a working internet connection either directly or via a (NAT) router/firewall.
1. Nixxis Application server information
IP :
If you do not have any of these details, please contact the Project coordinator to provide you with these details before commencing the installation of the server. In no extent can any information be chosen at random as this can risk the whole infrastructure of the network.
3. System preparations
If the setup of the IP PBX is not performed directly after installation the Operation System, please make sure to run the system update procedures first, if in doubt, run the system update.
3.1. Disabling iptables
/etc/rc.d/init.d/iptables stop
/etc/rc.d/init.d/ip6tables stop
chkconfig iptables off
chkconfig ip6tables off
3.2. Disabling Selinux
sed -i "s/[\s]*SELINUX=.*/SELINUX=disabled/g" /etc/selinux/config
setenforce 0
3.3. System Update
To perform a system update use the following command:
yum –y update
After the system update, a reboot might be needed if a new kernel was installed (if in doubt please reboot before continuing)
4. Installing from the automated script