deno --allow-net https://deno.land/std/examples/echo_server.ts
sudo -u otheruser node echo_server.js
deno --allow-net=0.0.0.0:8000 https://deno.land/std/examples/echo_server.ts
deno --allow-net=0.0.0.0:8000,localhost https://deno.land/std/examples/echo_server.ts
ip netns exec networkname node script.js
const foo = requires("bar", {fs: true, net: "0.0.0.0:8000", os: true});