Minecraft

Self-host one or multiple servers.

Setup

Whitelist

Method 1: Docker

In the itzg/minecraft-server env vars in docker, add the following to enable and configure whitelist.

ENABLE_WHITELIST: "TRUE"
WHITELIST: "player1,player2,player3"

Note: The whitelist is additive, so if you set it to [player1] and later [player2,player3], you'll end up with a whiltelist accepting all 3 players.

Edit the whitelist in whitelist.json in the server directory.

Method 2: Manual

After first time startup set enforce-whitelist=true in server.properties.

Then, create whitelist.properties in the server directory with the following contents:

[
  {
    "uuid": "player_uuid",
    "name": "player_username"
  }
]

Method 3: In Game

After first time start go into server.properties and set enforce-whitelist=true.
Add users via server commands (whitelist add NAME).

Plugins/Mods

Plugins

SinglePlayerSleep: https://www.spigotmc.org/resources/singleplayersleep.68139/
Dynmap: https://www.spigotmc.org/resources/dynmap%C2%AE.274/
NoEndermanGrief: https://www.spigotmc.org/resources/no-enderman-grief2.71236/
ajLeaderboards: https://www.spigotmc.org/threads/ajleaderboards.471179/

Updating Plugins

It's very easy, just obtain the new jar file for the updated plugin, stop server and swap old jar in plugins/.

Most plugins should not need to regenerate their data, so you can leave it as is.

Maintenance

Backups

Take backups periodically, we got griefed once and only survived because of a backup.

Create Tar archive:

cd location_of_mc_files
tar -czvf ~/1970.01.01-world-backup.tar.gz world world_nether world_the_end server.properties whitelist.json spigot.yml

And move to a safe place.

Periodic Restarts

You might want this because the JVM might start hitting memory limits if too much is going on.

You can configure scheduled restarts by configuring crontab to periodically restart the container.
Edit crontab: sudo crontab -e
Add: 0 2 * * * docker restart minecraft-2023 minecraft-creative

References

https://github.com/itzg/docker-minecraft-server
https://github.com/Joshi425/minecraft-exporter

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