Setup Scripts to create a Wireguard reverseVPN

1. Domain: 1 Zone with Wildcard CNAME (completely free) from dynv6.com
2. Install wireguard-tools locally to generate Keys
3. wg0 config files with keys prepared (see below)
4. Cloud server with public IP/IPv6
   • Kernel with Wireguard
   • Firewalld, Docker, Docker-Compose, nano, cron and wget installed
5. VM/RasPi/PC in local Network
   • Kernel with Wireguard
   • Firewalld, Docker, Docker-Compose, nano, cron and wget installed

mkdir server client
for i in server client; do
  cd $i
  wget https://raw.githubusercontent.com/HPPinata/Wireguard/main/$i/wg0.conf.templ
  cat wg0.conf.templ > wg0.conf
  wg genkey > pri.key
  wg pubkey > pub.key < pri.key
  wg genpsk > psk.key
  cd ..
done
for i in server/pri.key server/pub.key server/psk.key client/pri.key client/pub.key; do
  sed -i "s;$i;$(cat $i);g" ./server/wg0.conf ./client/wg0.conf
done