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RHEL9.x compatible Linux : Zabbix6

Zabbix is an open source integrated monitoring software for centralized monitoring of servers, networks and applications. It provides monitoring, fault detection and notification functions required for integrated monitoring. With Zabbix agent and SNMP support for many platforms, you can monitor your entire system with a single Zabbix.

To run Zabbix, you will need the PHP programming language, MySQL as a database server, and a web server such as Apache or Nginx. In this article, we will assume that all of these have already been configured.

SELinux must be set to permissive

1.Configure Zabbix repository

Install Repository

2. Installing Zabbix Server

Install Zabbix Server and other necessary Zabbix packages

3. Create Zabbix database and user

Create database schema for Zabbix server.
Create a MySQL database (e.g. my_zabbix_db), a user (e.g. zabbix_user) and a password (e.g. ?Wabcd123).

4. Update Zabbix configuration

Edit Zabbix server configuration file /etc/zabbix_server.conf and update database configuration for Zabbix server to connect to database

5. Import of Zabbix default database and initial data

Import the initial Zabbix database schema and data into the newly created database.

6. Monitor Zabbix server itself

Restart Zabbix Server and Agent Deamon so that they are ready to run at system startup.

7. Configure Zabbix firewall

Zabbix ports 10050 (on Zabbix server side) and 10051 (on zabbix agent side) must be allowed.

8. Running Zabbix Web Installer

Zabbix Web Installer can be accessed via "server IP/zabbix" or "domain/zabbix".
Open a web browser and enter "http: //[your-server-IP_Address]/zabbix".
You will get to the next screen. Click [Next step].

After confirming that all requirements are OK, click [ Next step]

Enter the information you have set in the "Database name", "User", and "Password" fields, and click [ Next step ].

Enter any name for "Zabbix server names" and select Asia/Tokyo for time zone.
After confirming that you are in your own time zone, click [ Next step ].

Reconfirm settings If information is correct, click [Next step]

When the installation is successfully completed, the following page will appear. Click [Finish]

You will be redirected to Zabbix login page

Log in using the following credentials
Username:Admin
Password:zabbix

After successful login you will see the following screen (Zabbix Dashboard).

9. Various settings of Zabbix

9.1 Administrator password change, administrator email address settings

Change Admin Password
Also, set up the administrator's email address.

①Select "Administration" - "Users" in the left pane and click "Admin" in the right pane

②Click [Change paddword]

③Enter the password you wish to change and click Update]

④Come back to the [Users] screen, go to the [Media] tab, and click the [Add] link

Select "Email" in the "Type" field, enter the administrator's email address in the "Send to" field, and click the "Add" button.

⑥Click the "Update" button to complete registration.

9.2 Monitoring Host Configuration

①Log in to the Zabbix administration site and select [Configuration] - [Hosts] in the left pane.
In the right pane, you should see the local hosts with Zabbix Agent installed, check them and click the "Enable" button.(Currently I think it shows the zabbix server itself)

②[Status] will change to [Enabled] and the system will be monitored. Since the template for Linux is set by default, this is all that is needed to monitor major items such as CPU usage.

③Host name is registered with Zabbix server by default, but this should match with [Hostname=***] set in /etc/zabbix_agentd.conf.
Click on [Zabbix server]
Change [Host name] and click [update]

④After some time has passed, various data will be collected and the status of the server can be checked as shown below.
Left side Monitoring > Hosts Click

④Click on Lepard Select [Grahs]

The following monitoring status screen will appear

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