Install Rust Server on Linux

install-rust-server-on-linux.sh

########################################################################
# Host your own Rust Dedicated Server
# 
# see also: https://www.rustafied.com/how-to-host-your-own-rust-server
# 
# Usage:
# RUST_HOME=$HOME/rust \
# RUST_SERVER_MAXPLAYERS=100 \
# RUST_SERVER_HOSTNAME="Your Rust Server" \
# RUST_SERVER_IDENTITY=your-rust-server \
# RUST_SERVER_TICKRATE=10 \
# RUST_SERVER_DESCRIPTION="Your Rust Server description" \
# RUST_SERVER_HEADERIMAGE=https://your-host/512x256.png \
# RUST_SERVER_URL=https://discord.gg/your-server-info-url \
# install-rust-server.sh
########################################################################

if [ -z "$RUST_HOME" ]; then
  echo 'requires $RUST_HOME'
  exit 1
fi

if [ -z "$RUST_RCON_PASSWORD" ]; then
  echo 'requires $RUST_RCON_PASSWORD'
  exit 1
fi

if [ -z "$RUST_SERVER_MAXPLAYERS" ]; then
  RUST_SERVER_TICKRATE=50
fi

if [ -z "$RUST_SERVER_HOSTNAME" ]; then
  echo 'requires $RUST_SERVER_HOSTNAME'
  exit 1
fi

if [ -z "$RUST_SERVER_IDENTITY" ]; then
  echo 'requires $RUST_SERVER_IDENTITY'
  exit 1
fi

if [ -z "$RUST_SERVER_TICKRATE" ]; then
  RUST_SERVER_TICKRATE=10
fi

if [ -z "$RUST_SERVER_DESCRIPTION" ]; then
  echo 'requires $RUST_SERVER_DESCRIPTION'
  exit 1
fi

if [ -z "$RUST_SERVER_HEADERIMAGE" ]; then
  echo 'requires $RUST_SERVER_HEADERIMAGE'
  exit 1
fi

if [ -z "$RUST_SERVER_URL" ]; then
  echo 'requires $RUST_SERVER_URL'
  exit 1
fi

echo "Initial Parameters"
echo "  RUST_HOME: $RUST_HOME"
echo "  RUST_RCON_PASSWORD: $RUST_RCON_PASSWORD"
echo "  RUST_SERVER_MAXPLAYERS: $RUST_SERVER_MAXPLAYERS"
echo "  RUST_SERVER_HOSTNAME: $RUST_SERVER_HOSTNAME"
echo "  RUST_SERVER_IDENTITY: $RUST_SERVER_IDENTITY"
echo "  RUST_SERVER_TICKRATE: $RUST_SERVER_TICKRATE"
echo "  RUST_SERVER_DESCRIPTION: $RUST_SERVER_DESCRIPTION"
echo "  RUST_SERVER_HEADERIMAGE: $RUST_SERVER_HEADERIMAGE"
echo "  RUST_SERVER_URL: $RUST_SERVER_URL"
echo

# Install SteamCMD
sudo yum install glibc.i686 libstdc++.i686 -y
mkdir ~/Steam && cd ~/Steam
curl -sqL "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz" | tar zxvf -

# Install Rust
./steamcmd.sh +login anonymous +force_install_dir $RUST_HOME +app_update 258550 validate +quit

# Initial resources
cd $RUST_HOME
cat << EOF > start-$RUST_SERVER_IDENTITY.sh
$RUST_HOME/RustDedicated \\
  -batchmode -nographics \\
  -server.ip 0.0.0.0 \\
  -server.port 28015 \\
  -rcon.ip 0.0.0.0 \\
  -rcon.port 28016 \\
  -rcon.password $RUST_RCON_PASSWORD \\
  -server.maxplayers $RUST_SERVER_MAXPLAYERS \\
  -server.hostname "$RUST_SERVER_HOSTNAME" \\
  -server.identity "$RUST_SERVER_IDENTITY" \\
  -server.level "Procedural Map" \\
  -server.seed 12345 \\
  -server.worldsize 3000 \\
  -server.saveinterval 300 \\
  -server.globalchat true \\
  -server.tickrate $RUST_SERVER_TICKRATE \\
  -server.description "$RUST_SERVER_DESCRIPTION" \\
  -server.headerimage "$RUST_SERVER_HEADERIMAGE" \\
  -server.url $RUST_SERVER_URL
EOF

# Start
sudo bash -c "cat << EOF > /etc/systemd/system/rust-$RUST_SERVER_IDENTITY.service
[Unit]
Description=Rust $RUST_SERVER_HOSTNAME
[Service]
WorkingDirectory=$RUST_HOME
ExecStart=/usr/bin/sh $RUST_HOME/start-$RUST_SERVER_IDENTITY.sh
Restart=always
Type=simple
User=`whoami`
[Install]
WantedBy=multi-user.target
EOF"
sudo systemctl daemon-reload
sudo systemctl enable rust-$RUST_SERVER_IDENTITY.service
sudo systemctl restart rust-$RUST_SERVER_IDENTITY.service