wg-client-rpi.sh

# Install WireGuard client on RaspberryPi

# 1 # download config file from web ui, for example ~/Downloads/client.conf

# 2 # Install pivpn and Wireguard client for RaspberryPi
sudo -i
apt update
apt dist-upgrade -y
curl -L https://install.pivpn.io | bash
# non interactive installation manual: https://docs.pivpn.io/install/
apt install wireguard

# 3 # create client
CLIENT=wg
pivpn add -n ${CLIENT}

# 4 # Create config file
mv ~/Downloads/client.conf /etc/wireguard/${CLIENT}.conf  

# 5 # test connection
# enable vpn
wg-quick up ${CLIENT}
# check external ip
dig @resolver4.opendns.com myip.opendns.com +short
# disable vpn
wg-quick down ${CLIENT}

# 6 # create autoconnect on boot
systemctl enable wg-quick@${CLIENT}
systemctl start wg-quick@${CLIENT}
# check status
systemctl status wg-quick@${CLIENT}

# 7 # Enjoy