XCAT Installation on Centos 7

Base Level Setup

Note: Starting point Centos minimal 7 with networking in place and setup

We start by setting the hostname and disabling SElinux

setenforce 0
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux 
yum -y install vim tmux wget rsyslog
systemctl enable rsyslog
systemctl start rsyslog

Setup naming and hosts file

Set the hostname

hostnamectl set-hostname deploy.dt.internal 

Set the /etc/hosts file

# Ensure there is a /etc/hosts entry for the internal interface

192.168.102.253 deploy.dt.internal      deploy

Download CentOS

wget http://mirrors.ukfast.co.uk/sites/ftp.centos.org/7.9.2009/isos/x86_64/CentOS-7-x86_64-Minimal-2009.iso

Define Compute image for provisioning

copycds ${iso_path}/CentOS-7-x86_64-DVD-1908.iso (where ${iso_path} is directory of the iso)