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Opensuse 15.x ; Zabbix6 Install

Installation of open source integrated monitoring software "Zabbix"

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 need PHP programming language, MySQL/MariaDB as database server, and a web server such as Apache or Nginx.
In this case, we will proceed on the assumption that all of the following conditions have already been configured.

・OS : OpenSUSE15.5
・Web server : Apache2.4.51
・PHP8.0.29
・Database : MariaDB10.6

Please refer to the following to configure the above

First make sure that all packages available for the openSUSE 15 system are updated to the latest stable version

Install required packages for Zabbix Server 6

Install Zabbix 6.x server, frontend and agent

①Install Repository

➁Import GPG key signatures from repositories

➂Install Zabbix server, front-end and agent

Create database and user for Zabbix

Create database schema for Zabbix server.
Login to MariaDB server as root account and create MariaDB database (e.g. my_zabbix_db), user (e.g. zabbix_user) and password (e.g. ?Wabcd123).

Update Zabbix configuration

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

Import of Zabbix default database and initial data

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

Monitor Zabbix server itself

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

Configure Zabbix firewall

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

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 on [Next step]. For some reason Zabbix 7.0 will start up, but I don't know why.

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 default credentials
Username:Admin
Password:zabbix

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

Various settings of Zabbix

Change Admin Password

For security purposes, change the default administrator password
Once the above dashboard is displayed, continue with

①Select [Users] - [Users] in the left pane and click [Admin] in the right pane

②Click [Change paddword]

③Current password : Enter default password zabbix
Enter the password you wish to change and click Update.

The following will be displayed and when you click "OK", you will be taken to the login authentication screen again, so log in with the changed password.

Monitoring Host Configuration

①Log in to the Zabbix administration site and select [Data collection] - [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 only the zabbix server itself is visible)

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, which should match [Hostname=***] set in /etc/zabbix/zabbix_agentd.conf.Click on "Zabbix server", make changes and click on "Update" button.

Host name has been changed to Lepard

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 Lepard Select [Grahs]

The following monitoring status screen will appear

Add monitored hosts

Added the following servers as targets
OS : Debian12
IP address : 192.168.11.100

1.Configuration on the server you want to monitor

1.1Install Zabbix Agent on the server you want to monitor

1.2.Edit zabbix-agent configuration file

2. Configuration in Zabbix WEB UI

Log in to the Zabbix administration site, select [Datacollection] - [Hosts] in the left pane and click the [Create Host] button at the top of the right pane.

Enter a hostname in the [Hostname] field.

Click the [Select] button to the right of the [Templates] item.

Click [Select]

Select [Templates/Operating systems]

Select [Linux by Zabbix agent active] 

Under [Host groups] click "Select"

Select [Linux servers]

[Interfaces]-[Add]- [Agent] click

Enter the [IP address] and [DNS name] of the monitored server and click [Update].

New monitored servers are registered.

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