#!/bin/bash
## This simple shell script is a "DNS LOOP CHANGER" to change the DNS of the Linux operating system
## regularly, especially when using multihop-VPN's.
## It can be freely copied, distributed, modified.
## This script should be used with base numbered DNS files.
## Using it as is without the numbered DNS base files is dangerous.
## Read the script before using it.
## Ce script shell simple est un "DNS LOOP CHANGER" pour changer le DNS du sytème d'exploitation Linux
## régulièrement, notamment lors de l'usage de VPN's multihop.
## Il peut être librement copié, diffusé, modifié.
## Ce script doit être utilisé avec des fichiers base numéroté de DNS.
## Son utilisation telle quelle sans les fichiers base de DNS numérotés est dangereuse.
## Lisez le script avant de l'utiliser.
## Questo semplice script di shell è un "DNS LOOP CHANGER" per cambiare regolarmente il DNS del sistema operativo Linux,
## specialmente quando si usano VPN multihop.
## Può essere liberamente copiato, distribuito, modificato.
## Questo script deve essere utilizzato con i file DNS numerati base.
## Usarlo così com'è senza i file base DNS numerati è pericoloso.
## Leggi lo script prima di usarlo.
systemctl stop resolvconf.service
echo " !! Stop resolvconf.service !!";
systemctl start resolvconf.service
echo " ...";
echo " ...";
echo " ...";
echo " !! Start resolvconf.service !!"
let incre=$((1));
let loopnumber=$((0));
let QW=$((0))
let loopnumber=$((loopnumber+incre));
while [[ 1 ]]; do
let QW=$((QW+1));
echo " ...";
echo " ...";
echo " ...";
echo " Loop n° "$loopnumber;
echo " ...";
echo " ...";
echo " ...";
echo " >>> DNS BASE $QW <<<";
rm /etc/resolv.conf
cp /etc/resolvconf/resolv.conf.d/base$QW /etc/resolvconf/resolv.conf.d/base
cp /etc/resolvconf/resolv.conf.d/base$QW /etc/resolv.conf
systemctl restart resolvconf.service
systemctl status dnsloopchanger.service
sleep 975
echo " ...";
echo " - DNS BASE $QW ENDED -";
echo " ...";
echo " - NOW NEXT DNS BASE -";
echo " ...";
if [[ $QW == 11 ]]; then
let QW=$((0));
let loopnumber=$((loopnumber+incre));
fi
done
exit 0;
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