I have Ubuntu Server, and I would like to filter traffic and have only a specific users or groups traffic be sent through the VPN, and the rest of the traffic sent through the standard internet connection. I would think this would be rather easy to do, but I'm having a lot of trouble getting it set up.
I have been able to successfully set up a VPN connection using:
openvpn --config '/etc/openvpn/Sweden.ovpn' --auth-user-pass '/etc/openvpn/pia.txt' --persist-key --persist-tun --tls-client --remote-cert-tls server …