ip-hostname

iphost

#!/bin/bash
set -x 
#ip vars
ip=$(hostname -I | cut -f2 -d' ')

#use this when in private newtwork to avoid network issues.
ip2="0.0.0.0"

this_host=$(hostname -f)

#add hostname > /etc/hosts || exit
if [ -n "$(grep "$ip" /etc/hosts)" ]; then
  echo "HOSTNAME exists in /etc/hosts"
else
  echo -e "$ip\t$this_host" >> /etc/hosts
fi

#disable selinux
sed -i 's/^SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config
setenforce 0
getenforce