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Linux Operating System Monitoring Practice

This article describes how to use the HertzBeat monitoring system to collect and monitor general performance metrics for Linux operating systems, and send us alert messages when file system usage is too high.

What's HertzBeat​

Apache HertzBeat™ is a real-time monitoring tool with powerful custom monitoring capabilities without Agent. Website monitoring, port availability, database, operating system, threshold alarms, alarm notification (email, WeChat, DingTalk, Feishu).

github: https://github.com/apache/hertzbeat

Install​

  1. The docker environment can be installed with just one command

    docker run -d -p 1157:1157 -p 1158:1158 --name hertzbeat apache/hertzbeat

  2. After the installation is successful, the browser can access http://ip:1157 to start, the default account password is admin/hertzbeat.

참고

The production environment recommends a complete deployment method, refer Install HertzBeat via Docker Compose

Monitoring Linux Operating System​

1. Click Add Linux Operating System Monitor​

HertzBeat Page -> Monitors -> New Monitor -> OS Monitor -> Add OS Linux

HertzBeat

2. Configure the monitoring parameters​

  • Target Host：The IPV4, IPV6, or domain name of the host being monitored. No protocol header (e.g., https://, http://).
  • Port：The port provided by Linux SSH, default is 22.
  • Timeout：Sets the connection timeout in milliseconds, default is 6000 ms.
  • Reuse Connection: Sets whether SSH connections are reused, default is :false. If false, a new connection is created each time information is retrieved.
  • Username: SSH connection username
  • Password: SSH connection password, optional.

For more parameters and advanced settings, please refer to the help documentation: Monitoring：Linux operating system monitoring

Tasks can be managed using label classification, such as adding bind labels like OS=Linux.

HertzBeat

3. View the detection index data​

In the monitoring list, you can view the monitoring status, and in the monitoring details, you can view the metric data chart, etc.

HertzBeat

HertzBeat

4. Set the threshold​

Here, we set a threshold rule to trigger an alert when the usage rate of a certain directory in the file system is too high.

HertzBeat Page -> Alerting -> Threshold -> New Threshold -> RealTime Threshold Rule

Configure the threshold, configure the alarm expression-triggered when the metricDisk Usage greater than or equal to 50%，set the alarm level notification template information, etc.

HertzBeat

Threshold rule has others function you can try e.g., associating thresholds with monitoring, trigger times so on.

Finally, you can see the triggered alarm in the alarm center.

HertzBeat

5. Alarm notification​

HertzBeat Page -> Notification -> Notice Receiver -> New Receiver -> Configure the Email Receiver

HertzBeat

HertzBeat Page -> Notification -> Notice Policy -> New Notice Policy -> Enable Notification for the Recipient Just Configured

HertzBeat

When the threshold is triggered, we can receive the corresponding alarm message. If there is no notification, you can also view the alarm information in the alarm center.

Summary​

The practice of monitoring linux operating system is here. Of course, for HertzBeat, this function is just the tip of the iceberg. If you think HertzBeat is a good open source project, please give us a Star on GitHub, thanks for your support.

Github: https://github.com/apache/hertzbeat