You would want to setup a VPN server on your linux server and vpn clients on android and laptop. I’m not knowledgeable enough to help, but you can look into wireguard
I understand pirating from Netflix and such, cause they’re big companies and their service is shit, but Nebula is run by creators and you support them directly with a subscription. So if you have $5 at your disposal I would highly encourage paying for Nebula.