I use: https://www.zerotier.com/ https://www.zerotier.com/ - it's commercial (nothing to do with me), works on Mac and Linux, plus is free for 10 hosts. Makes a

I use: https://www.zerotier.com/ https://www.zerotier.com/ - it's commercial (nothing to do with me), works on Mac and Linux, plus is free for 10 hosts. Makes a private, secure, software defined network.