Install ARMA 3 on Ubuntu

install-arma3-ubuntu.sh

#!/bin/bash
# Sets up Arma 3 server.
# Requires exports STEAM_USERNAME + STEAM_PASSWORD.

# Install dependencies for SteamCMD
sudo apt-get -y install lib32gcc1 lib32stdc++6 git

# Create new user for steam
sudo useradd -m -s /bin/bash steam

# Run following commands as steam
sudo -H -u steam bash << EOF
mkdir -p ~/steamcmd && cd ~/steamcmd
wget https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz
tar -zxf steamcmd_linux.tar.gz
chmod +x steamcmd
./steamcmd.sh +login $STEAM_USERNAME $STEAM_PASSWORD +force_install_dir ../arma3 +app_update 233780 +quit
mkdir -p ~/.local/share/"Arma 3" && mkdir -p ~/.local/share/"Arma 3 - Other Profiles"
EOF