Zabbix is an open source network monitoring software designed to monitor and track the status of various network devices, servers, and virtual machines
Update the system using below command
# yum update
Install required packages
# yum install mariadb-server httpd -y
# yum install php php-cli php-common php-devel php-pear php-gd php-mbstring php-mysql php-xml php-bcmath

# systemctl start httpd
Install Repository with MySQL database
# mysql_secure_installation


Install yum repository to install Zabbix
CentOS/RHEL 7:
rpm -Uvh https://repo.zabbix.com/zabbix/4.4/rhel/7/x86_64/zabbix-release-4.4-1.el7.noarch.rpm
After adding Zabbix apt repository in your system use following command to install Zabbix server.
# yum install zabbix-server-mysql zabbix-web-mysql zabbix-agent zabbix-java-gateway
Create initial database schema
# mysql -u root -p
mysql> create database zabbix character set utf8 collate utf8_bin;
mysql> grant all privileges on zabbix.* to zabbix@localhost identified by ‘Password’;
FLUSH PRIVILEGES;
mysql> quit;
Import initial schema and data. You will be prompted to enter your newly created password.
# zcat /usr/share/doc/zabbix-server-mysql*/create.sql.gz | mysql –u zabbix -p zabbix
Configure the database for Zabbix server
Edit file /etc/zabbix/zabbix_server.conf
Update the following database configurations. This will be used by Zabbix server to connect to the database.
DBHost=localhost
DBName=zabbix
DBUser=zabbix
DBPassword=password
Configure PHP for Zabbix frontend
Edit file /etc/httpd/conf.d/zabbix.conf, uncomment and set the right timezone for you.
# php_value date.timezone Asia/Kolkata
Start Zabbix server and agent processes and make it start at system boot:
# systemctl start zabbix-server zabbix-agent httpd mariadb
# systemctl enable zabbix-server zabbix-agent httpd mariadb
Now your Zabbix server is up and running!
Configure Zabbix frontend
Connect to your newly installed Zabbix frontend: http://server_ip_or_name/zabbix
Follow steps described in Zabbix documentation: Installing frontend
Start using Zabbix

Check for pre-requisites
Check if you meet all the system requirements. If not configure your php.ini.

Configure DB Connection
Fill your DB details which you created and click on Next Step

Zabbix server details
This is the host and port of running Zabbix server. As your Zabbix server is running on the same host, so keep the values unchanged. You can give a name for your instance.

Pre-Installation Summary
This will give you a summary of your configuration. Click on Next Step
Install Zabbix
Click on Finish button to install Zabbix server

Install Zabbix
You will see a successful installation message on this page. This will also show you a message for the created configuration file.

Login to Zabbix
Login to Zabbix with following credentials
UserName : Admin
Password : Zabbix

You will see your Zabbix home screen now

Congratulation! Your Zabbix setup has been completed.