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@JamesAnunda
Forked from justincjahn/README.md
Created November 3, 2020 02:45
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Minecraft server(s) using systemd and screen.

Install

# Install dependencies
sudo yum install -y java-1.8.0-openjdk screen

# Create a new unprivileged user for minecraft
useradd -r -m -d /opt/minecraft minecraft

# Create the directory that will house our minecraft instances
sudo su --shell /bin/bash minecraft
mkdir instances
exit

# Copy the [email protected] file into the correct place.
sudo vi /etc/systemd/system/[email protected]

# Reload systemd units
sudo systemctl daemon-reload

Provision a new server

# Sudo into the minecraft user's shell
sudo su --shell /bin/bash minecraft

# Move into the instances directory
cd instances

# Create a new folder to house your instance
mkdir server1

# Install your minecraft instance, and make sure there is a minecraft_server.jar file.
# If you use Forge servers, you can use the following:
ln -s forge*.jar minecraft_server.jar

# Start and enable (start after boot) the server.
sudo systemctl start minecraft@server1
sudo systemctl enable minecraft@server1
[Unit]
Description=Minecraft Server: %i
After=network.target
[Service]
WorkingDirectory=/opt/minecraft/instances/%i
User=minecraft
Group=minecraft
Restart=always
ExecStart=/usr/bin/screen -DmS mc-%i /usr/bin/java -Xmx2G -jar minecraft_server.jar nogui
ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN IN 15 SECONDS..."\015'
ExecStop=/bin/sleep 5
ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN IN 10 SECONDS..."\015'
ExecStop=/bin/sleep 5
ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN IN 5 SECONDS..."\015'
ExecStop=/bin/sleep 5
ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "save-all"\015'
ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "stop"\015'
[Install]
WantedBy=multi-user.target
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