Knowledge Base

How to make a free Minecraft server

Create a server, connect, invite friends and keep it free — the whole path, start to finish.

How to make a modded Minecraft server

Pick a mod loader, switch your server to it, and add mods or a modpack — all on the free tier.

How to add mods to your Minecraft server

Install mods from the built-in CurseForge browser, or upload your own jar files.

How much RAM does a Minecraft server need?

What 3 GB runs comfortably, what actually uses memory, and how to get more out of it.

How to install a CurseForge modpack on your server

Pick a pack, install it in one click, get your friends on the same version, and fix the usual first-boot problems.

Forge vs NeoForge vs Fabric vs Paper: which should your server run?

What each server type is for, which mods and plugins it runs, and how to pick the right one for what you want to play.

A beginner’s guide to Paper plugins

Switch to Paper, install your first plugins, configure them, and the starter set most servers use.

How to upload your single-player world to your server

Find your save folder, zip it the right way, upload it, and move a world back to your PC again.

server.properties explained: the settings worth changing

What the main settings in server.properties do, their defaults, and which ones Cobbly manages for you.

How to connect to your server — and fix it when you can’t

Your address, what to type into Minecraft, and what each join error actually means.

How sleeping servers work: sleep, waking up and the queue

Why a free server sleeps, how to wake it, what "In queue" means, and what happens to your world.

Controlling who can join — and who can wake your server

The whitelist does more here than it does on a normal server: it also decides who can wake it.

What are the limits on a free server?

Servers, memory, storage, players, backups — every number on the Cobbly free tier, and what is not capped.

Minecraft server offline mode: what it does, and the risk

What `online-mode=false` actually changes, what breaks when you switch, and why it needs a whitelist.

Why is my Minecraft server lagging?

Tell server lag from connection lag, measure it on any loader, and fix the usual causes on a shared server.

How to reset your Minecraft world

Start a fresh world with your own seed, reset just the Nether or the End, or tweak gamerules without wiping anything.

How backups work on a free server

3 slots kept 30 days, automatic backups on stop, Google Drive, and how restoring actually works.

Using the console: sending commands to your server

How the Console tab works, how to read its log, and the server commands worth knowing.

Why won’t my Minecraft server start? Reading the crash and fixing it

How to find the real error in the console, and what the most common crash messages mean.