Remember to open firewall for port 1234

sudo add-apt-repository universe -y
sudo apt install libfuse2t64 -y
sudo apt-get update && sudo apt-get upgrade -y
sudo apt-get install libopenal1 mono-runtime mono-complete screen libasound2t64 tmux -y
curl -L https://github.com/OpenRA/OpenRA/releases/download/release-20231010/OpenRA-Red-Alert-x86_64.AppImage --output OpenRA-Red-Alert-x86_64.AppImage
chmod a+x OpenRA-Red-Alert-x86_64.AppImage

./OpenRA-Red-Alert-x86_64.AppImage --server Server.Name="MyServerName" Server.ListenPort=1234 Server.AdvertiseOnline=True Server.Password=MyPassword Server.EnableSingleplayer=true

Tmux

# New session
# tmux new-session -t openra

# Escape:
# ctrl-b, d 

# List sessions
# tmux list-session

# Kill session
# tmux kill-session -t openra

# Attach
# tmux attach-session -t openra