How to Install DOMJudge on macOS

DOMJudge is an open-source software for programming contests developed by the Eindhoven University of Technology. It can be installed on different platforms including macOS. In this tutorial, we will discuss the steps to install and configure DOMJudge on macOS.

Prerequisites

• A macOS machine (running macOS 10.7 Lion or later)
• Homebrew package manager installed on the machine
• Basic knowledge of the command line

Installation Steps

1. Open the terminal on your macOS machine.

2. Install the required dependencies using Homebrew. Run the following command in the terminal:

   brew install apache2 postgresql php@7.2 mariadb
   

3. After installing the dependencies, install DOMJudge using Homebrew. Run the following command in the terminal:

   brew install domjudge
   

4. Set up the webserver configuration by running the following command in the terminal:

   sudo domjudge-setup-webserver apache2
   

   This command will create a new Apache2 configuration file for DOMJudge in /etc/apache2/sites-available/domjudge.conf.

5. Enable the newly created configuration file by running the following command:

   sudo a2ensite domjudge.conf
   

6. Restart the Apache2 server by running the following command:

   sudo service apache2 restart
   

7. Set up the database configuration by running the following command in the terminal:

   sudo domjudge-setup-database mariadb
   

   This command will create a new database and user for DOMJudge and will configure the database connection settings in /etc/domjudge/domserver.secret.

8. Initialize the database by running the following command:

   sudo domjudge-run-latest upgrade
   

9. Start the DOMJudge services by running the following command:

   sudo systemctl start domjudge-php-fpm domjudge-judgedaemon domjudge-judgehost
   

   You can also set these services to start at boot time by running the following command:

   sudo systemctl enable domjudge-php-fpm domjudge-judgedaemon domjudge-judgehost
   

10. Access the DOMJudge web interface by opening a web browser and navigating to http://localhost/domjudge. The initial login credentials are admin for the username and admin for the password. You will be prompted to change the password upon first login.

Congratulations! You have successfully installed and configured DOMJudge on your macOS machine. You can now use it to set up programming contests.

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