Would you like to learn how to monitor an Apache server using Zabbix? In this tutorial, we are going to show you how to monitor an Apache web server using the Zabbix agent on a computer running Ubuntu Linux.
• Ubuntu 18
• Ubuntu 19
• Zabbix server 4.4.1
• Apache 2.4.38
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Tutorial Zabbix – Apache mod_status Configuration
• IP – 192.168.15.11
• Operational System – Ubuntu 19.10
• Hostname – APACHE
On the Apache server, enable the module named mod_status.
Edit the Apache status.conf configuration file.
Here is the original file, before our configuration.
Here is the file with our configuration.
.In our example, we configure the Apache mod_status to allow only computers from the network 192.168.15.0/24 to access the webserver status page.
Edit the Apache 000-default.conf configuration file.
Here is the 000-default.conf file before our configuration.
Here is the 000-default.conf file after our configuration.
In our example, we restricted the mod_status access only to computers from the network 192.168.15.0/24.
Restart the Apache service.
On a computer from the allowed IP address network, open your browser and enter the IP address of your web server plus /server-status.
In our example, the following URL was entered in the Browser:
• http://192.168.15.11/server-status
You will be sent to the Apache server status page.
Congratulations! You sucessfully configured the Apache Mod_status feature.
Tutorial – Zabbix Agent Installation on Linux
• IP – 192.168.15.11
• Operational System – Ubuntu 19.10
• Hostname – APACHE
You need to install the Zabbix agent on the Linux computer running Apache.
Use the following commands to install the required packages on a computer running Ubuntu Linux.
Download the Zabbix installation package.
Extract the Zabbix installation package, compile and install the Zabbix agent.
Find the location of the zabbix_agentd.conf file on your system.
Edit the zabbix_agentd.conf file.
Here is the original file, before our configuration.
Here is the new file with our configuration.
In our example, the Zabbix agent is configured to allow connections from the Zabbix server 192.168.15.10.
The server with the IP address 192.168.15.10 is allowed to request and receive information from the agent.
The Localhost, 127.0.0.1, is allowed to request and receive information from the agent.
The Zabbix installation package comes with a service startup script.
Copy the startup script using the commands below.
You can now use the following commands to start the Zabbix agent service.
Restart the Zabbix agent.
You have finished the Zabbix agent installation.
You can now use the Zabbix server dashboard to add this computer to the network monitoring service.
Tutorial Zabbix – Monitoring Apache
• IP – 192.168.15.10
• Operational System – Ubuntu 19.10
• Hostname – ZABBIX
Now, we need to access the Zabbix server dashboard and add the Linux computer as a Host.
Open your browser and enter the IP address of your web server plus /zabbix.
In our example, the following URL was entered in the Browser:
• http://192.168.15.10/zabbix
On the login screen, use the default username and default password.
• Default Username: Admin
• Default Password: zabbix
After a successful login, you will be sent to the Zabbix Dashboard.
On the dashboard screen, access the Configuration menu and select the Host option.
On the top right of the screen, click on the Create host button.
On the Host configuration screen, you will have to enter the following information:
• Host Name – Enter a Hostname to identify the Apache server.
• Visible Hostname – Repeat the hostname.
• New group – Enter a name to identify a group of similar devices.
• Agent Interface – Enter the IP address of the Apache server.
Here is the original image, before our configuration.
Here is the new image with our configuration.
Next, we need to associate the host with a specific network monitor template.
By default, Zabbix comes with a large variety of monitoring templates.
Access the Templates tab on the top of the screen.
Click on the Select button and locate the template named: Template App Apache by Zabbix agent
Click on the Add button to finish the configuration.
After a few minutes, you will be able to see the initial result on the Zabbix Dashboard.
In order to test your configuration, access the Monitoring menu and click on the Graphs option.
Select your Apache server hostname.
Select the graph named APACHE: WORKERS TOTAL.
You should be able to see the Apache performance graphic
To access more information, search for your Apache server on the latest data menu.
Congratulations! You have configured the Zabbix server to monitor an Apache server.
