OpenVPN - Shuffle ip, start and isolate tun0

vpn_start.sh

#!/bin/bash
## OpenVPN - Shuffle ip, start and isolate tun0
# @author intrd - http://dann.com.br/
# @license Creative Commons Attribution-ShareAlike 4.0 International License - http://creativecommons.org/licenses/by-sa/4.0/

# dep: https://gist.github.com/intrd/55576b75a9945ae6e611fba49f1a4b0d

#sort a vpn
VPN="$(shuf -n 1 /home/intrd/openvpn/xvpn/ips.txt | cut -f2 -d' ')"

#clear default routes, leaving localroute
sudo route del default gw 192.168.0.1 wlan0
sudo route del default gw 192.168.1.1 wlan0
sudo route del -net 192.168.0.0 netmask 255.255.255.0 dev wlan0
sudo route del -net 192.168.1.0 netmask 255.255.255.0 dev wlan0

#add new restrict routes
sudo route add 192.168.1.1 gw 192.168.1.20 wlan0 #local

#create route to vpn
sudo route add $VPN gw 192.168.1.1 wlan0

sudo openvpn --remote $VPN --port 443 --config /home/intrd/openvpn/xvpn/xvpn1.ovpn