Create Static Network Configuration

gistfile1.txt

#!/bin/bash
set -x

###  TODO DETERMINE HOW MANY INTERFACE ACTIVE AND WHICH ONE YOU WOULD LIKE TO CONFIGURE

curipaddr=$(ip link | egrep -v "lo|link" | awk -F ': ' '{print $2}')
curgateway=$(ip r s table all | egrep 'default v' | awk '{print $3}')
curdns=$(dig  $(hostname -f) | egrep SERVER | awk -F '(' '{print $2}'| sed 's/)//')

#oldName=$(grep DEVICE  /etc/sysconfig/network-scripts/ifcfg-ens3 | awk -F '"' '{print $2}')
intName=$(ip link | egrep -v "lo|link" | awk -F ': ' '{print $2}')
ifcfgfile="/etc/sysconfig/network-scripts/ifcfg-$intName"
mv /etc/sysconfig/network-scripts/ifcfg-$intName /etc/sysconfig/network-scripts/ifcfg-$intName.bak
touch $ifcfgfile
echo "DEVICE=$intName" > $ifcfgfile
echo "ONBOOT=yes" >> $ifcfgfile

read -p "Static or dhcp?" yoursetup

if [ $yoursetup = "static" ];then
	echo "BOOTPROTO=static" >> $ifcfgfile
	read -p "What is your Ip Address : " yourip
	echo "IPADDR=$yourip" >> $ifcfgfile
	read -p "What is your Gateway : " yourgw
	echo "GATEWAY=$yourgw" >> $ifcfgfile
	read -p "What is your subnet/prefix? : " yourprefix
	echo "PREFIX=$yourprefix" >> $ifcfgfile
	read -p "What is your dns? : " yourdns
	echo "DNS=$yourdns" >> $ifcfgfile
	echo "NMCONTROLLED=no" >> $ifcfgfile
else
	echo "BOOTPROTO=dhcp" >> $ifcfgfile
	echo "NMCONTROLLED=no" >> $ifcfgfile
fi
systemctl disable NetworkManager
systemctl stop NetworkManager
service network stop
sleep 2
service network start
exit 0