WHM (Web Host Manager) is a powerful tool commonly used for managing hosting environments, particularly in the context of cPanel-based hosting services. While WHM itself doesn't offer extensive monitoring capabilities out of the box, it provides integration with other tools that specialize in server health and performance monitoring. Here's how you can monitor server health and performance using WHM:

1. Install Monitoring Tools: You can install third-party monitoring tools on your server and integrate them with WHM. Popular monitoring solutions include Nagios, Zabbix, Munin, and Prometheus. These tools can monitor various aspects of your server such as CPU usage, memory usage, disk space, network traffic, and more.

2. Use WHM's Server Status: WHM itself provides a basic overview of server status. You can access this information by logging into WHM and navigating to the "Server Status" section. Here, you can view the current server load, memory usage, CPU usage, and other basic metrics. While this gives a quick overview, it may not be sufficient for detailed monitoring.

3. Configure Notifications: WHM allows you to set up notifications for various server events such as high load, disk space usage, and service failures. You can configure these notifications to be sent via email or SMS to alert you when there are issues that require attention.

4. Resource Usage Reports: WHM provides resource usage reports that give insights into CPU, memory, and disk usage over time. You can access these reports from the "Server Status" section in WHM.

5. Utilize cPanel Metrics: If your server uses cPanel in conjunction with WHM, you can take advantage of cPanel's built-in metrics and monitoring features. cPanel offers detailed statistics on website traffic, resource usage, and more for individual cPanel accounts.

6. Consider Third-Party Plugins: There are third-party plugins available for WHM that enhance its monitoring capabilities. These plugins may offer additional features and integrations with popular monitoring tools.

7. Regularly Review Logs: Monitoring server logs is crucial for identifying performance issues and troubleshooting problems. WHM provides access to various system logs, which you can review regularly to spot any anomalies or errors.

By combining these methods, you can effectively monitor server health and performance using WHM, ensuring that your hosting environment runs smoothly and efficiently.