Step 1 – Add Required Repository
CentOS/RHEL 7:
rpm -Uvh http://repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-2.el7.noarch.rpm
CentOS/RHEL 6:
rpm -Uvh http://repo.zabbix.com/zabbix/3.4/rhel/6/x86_64/zabbix-release-3.4-1.el6.noarch.rpm
Step 2 – Install Zabbix Agent
yum install zabbix-agent
Step 3 – Edit Zabbix Agent Configuration
# vim /etc/zabbix/zabbix_agentd.conf
#Server=[zabbix server ip]
#Hostname=[ Hostname of client system ]
Server=192.168.1.11
Hostname=Server1
Step 4 – Restarting Zabbix Agent
# systemctl restart zabbix-agent
Step 5 – open the firewall port
firewall-cmd --permanent --zone=public --add-port=10050/tcp
firewall-cmd --reload
firewall-cmd --list-all