124 lines
2.7 KiB
Markdown
124 lines
2.7 KiB
Markdown
---
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title: "Minecraft Server"
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visible: true
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---
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[toc]
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Make sure to allow port `25565/tcp` to your server
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## Vanilla
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## PaperMC
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## Forge Server
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Download the forge installer from their website and install the server to a directory of your choosing.
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Copy that folder to your server
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On the server, create a directory for the server.
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`# mkdir /etc/minecraft`
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Put your folder here
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Install java
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`# apt install openjdk-17-jre`
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Add a `minecraft` user.
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```sh
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useradd minecraft
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chown minecraft:minecraft -R /etc/minecraft/
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```
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Start the server a first time.
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`sudo -u minecraft /etc/minecraft/forge-(version)/run.sh`
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Accept the EULA by editing `/etc/minecraft/forge-(version)/eula.txt`
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## Fabric Server
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## Systemd Service
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> Adapted from [this gist](https://gist.github.com/dotStart/ea0455714a0942474635)
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`/etc/systemd/system/minecraft.service`
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```systemd
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[Unit]
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Description=Minecraft Server
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After=network.target
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[Service]
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User=minecraft
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WorkingDirectory=/etc/minecraft/server
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# You can customize the maximum amount of memory as well as the JVM flags here
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#ExecStart=/usr/bin/java -XX:+UseG1GC -Xmx3G -jar server.jar --nojline --noconsole
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ExecStart=/usr/bin/java @user_jvm_args.txt @libraries/net/minecraftforge/forge/1.18.1-39.0.5/unix_args.txt nogui "$@"
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# Restart the server when it is stopped or crashed after 30 seconds
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# Comment out RestartSec if you want to restart immediately
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Restart=always
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RestartSec=30
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# Alternative: Restart the server only when it stops regularly
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# Restart=on-success
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# Do not remove this!
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StandardInput=null
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[Install]
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WantedBy=multi-user.target
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```
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## Systemd Service with STDIN available
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> Based on [this stackexchange answer](https://unix.stackexchange.com/questions/598221/how-to-control-systemd-service-using-screen/612118#612118)
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`/etc/systemd/system/minecraft.socket`
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```systemd
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[Unit]
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PartOf=minecraft.service
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[Socket]
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ListenFIFO=%t/minecraft.stdin
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```
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`/etc/systemd/system/minecraft.service`
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```systemd
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[Unit]
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Description=Minecraft Server
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After=network.target
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[Service]
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Type=simple
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User=minecraft
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WorkingDirectory=/etc/minecraft/server
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# fabric
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ExecStart=/usr/bin/java -XX:+UseG1GC -Xmx4G -jar /etc/minecraft/server/fabric-server-launch.jar
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# forge
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#ExecStart=/usr/bin/java @user_jvm_args.txt @libraries/net/minecraftforge/forge/1.18.1-39.0.5/unix_args.txt nogui "$@"
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Restart=on-failure
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# Socket used for STDIN
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Sockets=minecraft.socket
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StandardInput=socket
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StandardOutput=journal
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StandardError=journal
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[Install]
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WantedBy=multi-user.target
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```
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To run commands, redirect commands into your socket.
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`echo "command" > /run/minecraft.stdin`
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### Pipe commands script
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**No safety at all!!**
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```sh
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#!/usr/bin/env bash
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echo "$@" > /run/minecraft.stdin
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```
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