If you have purchased an additional IP address from your Heart Internet Customer Area, you can then add it to your CentOS server.
DEVICE=eth0:1
BOOTPROTO=static
ONBOOT=yes
IPADDR=[address]
NETMASK=[subnet mask]
/etc/sysconfig/network-scripts/ifcfg-eth0:1
service network restart
Article ID: 51
Created On: Tue, Mar 3, 2015 at 3:56 PM
Last Updated On: Wed, Aug 18, 2021 at 1:48 PM
Online URL: https://www.heartinternet.uk/support/article/how-do-i-raise-an-additional-ip-address-on-my-centos-server.html