At that point, make it a thin client which boots from a network image and logs you into a terminal server.
Then you have the hardware and software resources you need for your role wherever you are.
The instance admin is legally responsible for everything posted on their instance.
Giving all the control to the users would literally carry the risk of going to prison.
The fact that unmoderated places attract pedophiles sharing pictures, Spambots, and trolls.
Go take a look at a random board on 8kun if you don't believe me.
It's largely unmoderated, you'll love it!!!
At that point, make it a thin client which boots from a network image and logs you into a terminal server.
Then you have the hardware and software resources you need for your role wherever you are.