32 lines
1.8 KiB
Markdown
32 lines
1.8 KiB
Markdown
# Preamble
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*This guide assumes some basic knowledge of Linux and package managers.*
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At minimum, a minecraft server requires Java, the [minecraft server jar](https://www.minecraft.net/en-us/download/server) or an alternative server (spigot, lithium), and the ability to port forward and allow programs through your firewall.
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# Installing Java
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As of 2023-07, Minecraft requires Java 17 to run version 1.20.1. You may need to look for a later version. Don't install the default version of Java in the repos of your chosen distro, it's very often out of date, and probably won't work with minecraft. You're going to look for any package that contains the JRE (Java Runtime Environment) or JDK (Java Development Kit). Both contain the Java Virtual Machine (JVM) and the ability to run Java programs. I like AdoptOpenJDK, but any distribution of Java that fits the version requirements will work sufficiently.
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- Prior to installation, be sure to remove a java installation if it exists on your system. You can see if java is present on your distro with `java --version`.
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The format of the install command will change depending on the Java version, distro repositories and package manager, but this is what you'd run to install Java 17 on Debian 1
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This enables minecraft to run in the background, restart if it crashes, etc etc.
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In `/etc/systemd/system`, place this file and tailor it to your liking.
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```
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[Unit]
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Description=Minecraft Servre
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# I don't know what these mean I'm getting them from here:
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# https://gist.github.com/dotStart/ea0455714a0942474635
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Wants=network-online.target
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After=network-online.target
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[Service]
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# If wanted, you can set a particular group or user to run the service under
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# User=foo
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# Group=bar
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# This command is run when the service is started
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|ExecStart=/usr/bin/java -Xmx8G -Xms3g -jar /path/to/server.jar --nojline --noconsole
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``` |