Provide Elevated Access to port 80

[cntrl-z-forlife]

I am running this node on a raspberry pi, and set the .env variable PORT=80. Running sudo npm start did not provide the privileges necessary. How do I grant the node.js access to port 80?

[jnbarlow]

Hmm. In Ubuntu, sudu npm start is all that is necessary to make it work on 80. What distro are you running on your PI? What's the error message it's giving you?

[cntrl-z-forlife]

Running Raspberry Pi OS(updated version of Raspbian). Here are the errors:

glob error [Error: EACCES: permission denied, scandir '/root/.npm/_logs'] { errno: -13, code: 'EACCES', syscall: 'scandir', path: '/root/.npm/_logs' }

up to date in 8s events.js:291 throw er; // Unhandled 'error' event ^

Error: listen EACCES: permission denied 0.0.0.0:80 at Server.setupListenHandle [as _listen2] (net.js:1293:21) at listenInCluster (net.js:1358:12) at Server.listen (net.js:1444:7) at Function.listen (/home/pirate/monero-dashboard/node_modules/express/lib/application.js:618:24) at Object. (/home/pirate/monero-dashboard/server/index.js:24:5) at Module._compile (internal/modules/cjs/loader.js:999:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10) at Module.load (internal/modules/cjs/loader.js:863:32) at Function.Module._load (internal/modules/cjs/loader.js:708:14) at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:60:12) Emitted 'error' event on Server instance at: at emitErrorNT (net.js:1337:8) at processTicksAndRejections (internal/process/task_queues.js:84:21) { code: 'EACCES', errno: 'EACCES', syscall: 'listen', address: '0.0.0.0', port: 80 }

[jnbarlow]

oh interesting. So it's throwing an error trying to write logs and gain access to the port. I wonder if the first is cascading into the 2nd.

Try creating that path as root (/root/.npm/_logs) and providing access chmod -r 755 /root/.npm then running it again.

[askiiart]

@cntrl-z-forlife Try adding this to /etc/sysctl.conf

net.ipv4.ip_unprivileged_port_start=0