For every time this script is invoqued It changes the server IP by using nordvpn. It install all the necesary packages only tested on ubuntu 18.04

changeIPUsingNordVPN.sh

#!/bin/bash
#If you are running on AWS add this route tables before running this script, otherwise you won't be able to do a ssh login.
#A good place is user-data before running the instance
#ip rule add from $(ip route get 1 | grep -Po '(?<=src )(\S+)') table 128
#ip route add table 128 to $(ip route get 1 | grep -Po '(?<=src )(\S+)')/32 dev $(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)')
#ip route add table 128 default via $(ip -4 route ls | grep default | grep -Po '(?<=via )(\S+)')

user=$1
pass=$2
  if whoami | grep -v root;then echo "failure run as root";exit;fi
  if [ ! -f /etc/openvpn/auth.txt ];then
     echo "Installing"
     #url:https://ucp.nordvpn.com/login/
  
     #PROVISIONING#
     apt-get update
     apt-get install -y openvpn  openvpn-systemd-resolved ca-certificates unzip
     echo "$user">/etc/openvpn/auth.txt
     echo "$pass">>/etc/openvpn/auth.txt
     cd /etc/openvpn || exit
     wget https://downloads.nordcdn.com/configs/archives/servers/ovpn.zip
     unzip ovpn.zip
     rm ovpn.zip
     #add auto-login for each file.
     find ./ovpn_* -iname "*ovpn" -exec sed -i "s:auth-user-pass:auth-user-pass /etc/openvpn/auth.txt:g" {} \;
     for config in $(ls /etc/openvpn/ovpn_*/*); do  
         echo "script-security 2
up /etc/openvpn/update-systemd-resolved
down /etc/openvpn/update-systemd-resolved
down-pre
dhcp-option DOMAIN-ROUTE ." >> $config 
     done
  fi
  pkill -f openvpn
  openvpnLog=/var/log/openvpn.log
  echo "" > $openvpnLog
  currentIP=$(curl -s https://ipinfo.io/ip)
  configPath="/etc/openvpn/ovpn_tcp"
  #iterate for all AR ips. for i in /etc/openvpn/ovpn_tcp/ar*
  #pick one ip random
  configFile=$configPath/$(ls /etc/openvpn/ovpn_tcp/ | shuf -n 1 )
  date
  openvpn --config "$configFile" --daemon --log $openvpnLog
  while ! grep "Initialization Sequence Completed" $openvpnLog > /dev/null; do
   echo "current IP is:$currentIP waiting for vpn connection"
   sleep 1
  done
  currentIP=$(curl -s https://ipinfo.io/ip)
  echo "IP change to $currentIP"
  service theeye-agent restart
  date