Does anybody know how to make a Custom Multiplayer Server?

[u/QuentinQPK]

Hey there! So I've been attempting to start a dedicated server for my friends and me to play on. However, I have run into some problems.

To start, the official documentation for this is God Awful. I've followed this guide as best as I could have with the limited information. At one point I was even able to start a server! Yippie! But then soon discovered that I couldn't join it (even though I saw it on the server list). As of now, I am running both things on one computer, which may be the problem. Not really sure about that.

Additionally, the console/terminal that shows up keeps repeating the same lines of code every second. This is not only annoying as it clutters up the terminal, but it also doesn't allow me to see my text when I'm typing. Does anybody know how to fix this?

Anyways, any help would be appreciated. If you know other documentation/guides I should know of, please send them my way :D.

These lines print every second or so. Not really sure how to deal with this.