How To Install Zabbix Server On CentOS 7

Zabbix is an opensource monitoring system written by php mysql and apache. So I want to configure Zabbix Server on CentOS 7. First install CentOS 7 machine on your network.

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• Install web server
• Install php
• Install mariadb server
• Create Zabbix DB
• Install Zabbix mysql DB
• Import Zabbix sql file into DB
• Configure Zabbix Server conf file
• Configure Zabbix agent conf file
• Allow firewall port 10051/tcp,10050/tcp
• Selinux must be disable
• reboot your server

Step #01: Install web server and enable it.

[root@Zabbix-Server ~]# yum -y install httpd
[root@Zabbix-Server ~]# systemctl start httpd
[root@Zabbix-Server ~]# systemctl enable httpd
[root@Zabbix-Server ~]# yum -y install epel-release

Step #02: Install php using below command.

[root@Zabbix-Server ~]# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
[root@Zabbix-Server ~]# yum -y install mod_php72w php72w-cli php72w-common php72w-devel php72w-pear php72w-gd php72w-mbstring php72w-mysql php72w-xml php72w-bcmath

Step #03: Increase execution time, upload size and date time zone. Open php.ini file.

[root@Zabbix-Server ~]# vi /etc/php.ini

Insert all below lines into php.ini file

max_execution_time = 600
max_input_time = 600
memory_limit = 256M
post_max_size = 32M
upload_max_filesize = 16M
date.timezone = Asia/Dhaka

Restart web server using below command

[root@Zabbix-Server ~]# systemctl restart httpd

Step #04: Install Zabbix mysql Database.

[root@Zabbix-Server ~]# yum -y install mariadb-server
[root@Zabbix-Server ~]# systemctl start mariadb
[root@Zabbix-Server ~]# systemctl enable mariadb
[root@Zabbix-Server ~]# mysql_secure_installation

Create Zabbix database for store all data

[root@Zabbix-Server ~]# mysql -u root -p

Database create command below

create database zabbix; 
grant all privileges on zabbix.* to zabbix@'localhost' identified by 'passw0rd'; 
grant all privileges on zabbix.* to zabbix@'%' identified by 'passw0rd'; 
flush privileges;
\q

Step #05: Download rpm package run below command.

[root@Zabbix-Server ~]# yum -y install http://repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-1.el7.centos.noarch.rpm

Install Zabbix Mysql using command below

[root@Zabbix-Server ~]# yum -y install zabbix-get zabbix-server-mysql zabbix-web-mysql zabbix-agent

[root@Zabbix-Server ~]# cd /usr/share/doc/zabbix-server-mysql-3.4.6/
[root@Zabbix-Server ~]# gunzip create.sql.gz
[root@Zabbix-Server ~]# mysql -u root -p zabbix < create.sql

Step #06: Check Zabbix Server conf file and make sure insert below line.

[root@Zabbix-Server ~]# vi /etc/zabbix/zabbix_server.conf

Insert below lines

DBHost=localhost
DBPassword=passw0rd
DBName=zabbix

Enable and restart Zabbix Service

[root@Zabbix-Server ~]# systemctl start zabbix-server
[root@Zabbix-Server ~]# systemctl enable zabbix-server

Step #07: Configure Zabbix agent conf file. open below file.

[root@Zabbix-Server ~]# vi /etc/zabbix/zabbix_agentd.conf

And ensure that all line are contain conf file

Server=127.0.0.1
ServerActive=127.0.0.1
Hostname=Zabbix-Server

Enable and start Zabbix agent service

systemctl start zabbix-agent
systemctl enable zabbix-agent

Step #08: Configure firewall for allow Zabbix port.

[root@Zabbix-Server ~]#yum -y install firewalld

Start and enable firewall service

[root@Zabbix-Server ~]# systemctl start firewalld
[root@Zabbix-Server ~]# systemctl enable firewalld

Step #09: Add http and Zabbix port allow.

[root@Zabbix-Server ~]# firewall-cmd --add-service={http,https} --permanent
[root@Zabbix-Server ~]# firewall-cmd --add-port={10051/tcp,10050/tcp} --permanent
[root@Zabbix-Server ~]# firewall-cmd --reload
[root@Zabbix-Server ~]# firewall-cmd --list-all

Finally restart below services

[root@Zabbix-Server ~]# systemctl restart zabbix-server
[root@Zabbix-Server ~]# systemctl restart zabbix-agent
[root@Zabbix-Server ~]# systemctl restart httpd

Very important for disable selinux

[root@Zabbix-Server ~]# vi /etc/selinux/config

Change to from enforcing

SELINUX=disabled

Esc :wq Press Enter.

Then reboot your server.

[root@Zabbix-Server ~]# reboot

Goto http://Server_ip/zabbix/

For more installation process see my video

After web installation process completed then login using details

User Name : Admin [‘A’ must be capital]

Password : zabbix

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