gridMathematica uses a Tomcat server for the administration of the grid system. At times, it may need to be started manually.

Windows

Wolfram Lightweight Grid is installed as a service. The status can be modified via the Services application.

1. Start the Services application.



2. Locate the Wolfram Lightweight Grid Manager service toward the top of the list. Right-click it and select Start to launch the service.



3. Verify that the status has changed to Running.

   

macOS

Wolfram Lightweight Grid runs as a launchd-compliant daemon. The plist file is named com.wolfram.lightweightGridManager.plist and is located in /Library/LaunchDaemons.

1. Launch the Terminal application.
2. Enter the command below to start the Tomcat server:

   sudo launchctl load 
   /Library/LaunchDaemons/com.wolfram.lightweightGridManager.plist 

3. You are prompted for your administrator password in order to restart the service.

To check whether the server was started successfully, navigate to localhost:3737 in a browser and verify that the main Status webpage appears.

Linux

Wolfram Lightweight Grid runs as a background process or daemon.

1. Open a terminal.
2. Enter the command below to start the Tomcat server:

    sudo systemctl start wolframlightweightgrid 

   In older Linux distributions, use:

    sudo /etc/init.d/wolframlightweightgrid start 

3. You are prompted for your administrator password in order to restart the service.

To check whether the server was started successfully, navigate to localhost:3737 in a browser and verify that the main Status webpage appears.