How to Install Zabbix Monitoring Tool on Ubuntu 22.04

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Zabbix is an open-source monitoring tool designed for enterprise-level monitoring of IT environments, including servers, networks, applications, and services. It helps organizations proactively monitor and manage their IT infrastructure by collecting metrics, analyzing data, and generating alerts or notifications.

Prerequisites

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Before beginning the installation, ensure that you have:

• A server running Ubuntu 22.04
• A running MariaDB server
• PHP 8.1 (or your preferred version) installed on your system

Update the System

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Before begin update the system packages.

apt update -y 
apt upgrade -y 

Install MariaDB Server

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First, install MariaDB Server on your server,

apt update
apt install mariadb-server

Start and enable MariaDB to run at boot,

systemctl start mariadb
systemctl enable mariadb

Steps to Install and Configure Zabbix

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Install Zabbix Repository

Run the following commands to install the Zabbix repository, Download Zabbix repository for Ubuntu 22.04 (Zabbix 7.2)

wget https://repo.zabbix.com/zabbix/7.2/release/ubuntu/pool/main/z/zabbix-release/zabbix-release_latest_7.2+ubuntu22.04_all.deb

Install the downloaded package

dpkg -i zabbix-release_latest_7.2+ubuntu22.04_all.deb

Update package list,

apt update

Install Zabbix Server, Frontend, and Agent

Install Zabbix server, frontend, agent, and Nginx configuration,

apt install zabbix-server-mysql zabbix-frontend-php zabbix-nginx-conf zabbix-sql-scripts zabbix-agent

Create Initial Database for Zabbix,

Make sure your MariaDB server is running. Then create the Zabbix database and user, Log in to MariaDB as root.

mysql -u root -p

Enter the MariaDB root password when prompted. Create the Zabbix database and user

CREATE DATABASE zabbix CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;

CREATE USER zabbix@localhost IDENTIFIED BY 'Your_Password_Here';  

GRANT ALL PRIVILEGES ON zabbix.* TO zabbix@localhost;

SET GLOBAL log_bin_trust_function_creators = 1;

QUIT;

Note: Repalce Your_Password_Here to Actual Strong Password

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

zcat /usr/share/zabbix/sql-scripts/mysql/server.sql.gz | mysql --default-character-set=utf8mb4 -uzabbix -p zabbix

Output:

root@vps:~# zcat /usr/share/zabbix/sql-scripts/mysql/server.sql.gz | mysql --default-character-set=utf8mb4 -uzabbix -p zabbix
Enter password: 
root@vps:~# 

After importing, disable the log_bin_trust_function_creators option.

mysql -u root -p

SET GLOBAL log_bin_trust_function_creators = 0;
QUIT;

Configure Zabbix Server Database

Edit the Zabbix server configuration file to set the database password, Open the Zabbix server configuration file,

nano /etc/zabbix/zabbix_server.conf

Find the DBPassword line and update it with your database password,

DBPassword=Your_Password_Here

Note: Replace Your_Password_Here with your actual Strong Password

Configure PHP for Zabbix Frontend

Edit the Nginx configuration file for Zabbix frontend to enable PHP, Open the Zabbix Nginx configuration file,

nano /etc/zabbix/nginx.conf

Uncomment and modify the listen and server_name directives,

listen 8080;
server_name example.com;

Start Zabbix Server and Agent Processes

Start the Zabbix server and agent processes, and enable them to start at boot, Restart the Zabbix server, agent, Nginx, and PHP services,

systemctl restart zabbix-server zabbix-agent nginx php8.1-fpm

Enable Zabbix server, agent, Nginx, and PHP services to start at boot,

systemctl enable zabbix-server zabbix-agent nginx php8.1-fpm

Open Zabbix UI Web Page

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Once the services are started, you can access the Zabbix web frontend via your browser by navigating to the following URL,

http://your-server-ip-or-domain:8080

Follow the on-screen instructions to complete the Zabbix frontend installation. Below are the steps with corresponding screenshots for a clear walkthrough:

• Zabbix Version and Language Selection, The first page will prompt you to select your desired language for the installation. It will also show the Zabbix version being installed.

• PHP Versions and Options Check Next, Zabbix will check if the required PHP versions and options are installed on your system. Make sure all requirements are met to proceed.

• Configure Database Connection You will then be prompted to configure the database connection. Enter the database details such as the database name, user, and password that were created earlier.

• Configure Server Name, Time Zone, and Default Theme In this step, you will set the server name, time zone, and choose the default theme for the Zabbix frontend.

• Pre-Installation Summary The system will display a summary of the configurations and checks before starting the installation process.

• Installation Process Zabbix will begin the installation process. Once it’s completed, the system will show a success message indicating the installation was successful.

• Login to Zabbix After installation, you will be prompted to log in. Use the default credentials to access the Zabbix dashboard.

• Username: Admin
• Password: zabbix

Click Login to proceed.

• Zabbix Dashboard Once logged in, you will be directed to the Zabbix dashboard, where you can begin configuring and monitoring your systems.

With these steps and screenshots, you should have a complete guide to accessing and setting up the Zabbix UI.