How to Install Zabbix Agent on CentOS/Ubuntu
zabbix zabbix-agent
How to Install Zabbix Agent on CentOS/Ubuntu
Zabbix Agent is required to install on all remote systems needs to be monitor through Zabbix server.
The Zabbix Agent collects resource utilization data and applications data on client system and provide such information to Zabbix server on their requests.
There are two types of checks between Zabbix Server and Client.
- Passive Check : Zabbix Agent sent data to server on their request.
- Active Check : Zabbix Agent sends data periodically to Server.
After installing zabbix server on your server, Now we are moving to install agent on remote system’s. This article will help you to install zabbix agent on CentOS/RHEL 7/6/5 systems. After completing this step go to next article add Host in Zabbix Server.
Step 1 – Add Required Repository
Before installing Zabbix Agent first configure zabbix yum repository using following commands as per your required version and operating system.
CentOS/RHEL 7:
#rpm -Uvh https://repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-agent-3.4.15-1.el7.x86_64.rpm
# 13.07.2020
#rpm -Uvh ls zabbix-agent-5.0.2-1.el7.x86_64.rpm
# 31.05.2021
wget https://repo.zabbix.com/zabbix/5.0/rhel/7/x86_64/zabbix-agent2-5.0.9-1.el7.x86_64.rpm
rpm -ivh zabbix-agent2-5.0.9-1.el7.x86_64.rpm
CentOS/RHEL 6:
# rpm -Uvh http://repo.zabbix.com/zabbix/3.0/rhel/6/x86_64/zabbix-agent-3.0.19-1.el6.x86_64.rpm
CentOS/RHEL 5:
# rpm -Uvh http://repo.zabbix.com/zabbix/3.0/rhel/5/x86_64/zabbix-release-3.0-1.el5.noarch.rpm
Step 2 – Install Zabbix Agent
After install yum repository packages in our system. Now use following command to install Zabbix agent on your Linux system.
Step 3 – Edit Zabbix Agent Configuration
As zabbix agent has been successfully installed on our remote system. Now we just need to configure zabbix agent by adding zabbix server ip in its configuration file /etc/zabbix/zabbix_agentd.conf
#Server=[zabbix server ip]
#Hostname=[ Hostname of client system ]
Server=192.168.100.14
Hostname=Server1
Step 4 – Restarting Zabbix Agent
After adding zabbix server ip in configuration file, now restart agent service using below command.
To start and stop zabbix-agent service anytime use following commands.
Step 5 - Add service to autostart
Step 6 - Add firewall rules
Centos 6
# iptables -I INPUT -p tcp --dport 10050 -j ACCEPT
# yum install iptables-services
# service iptables save
# service iptables restart
Centos 7 firewall\-cmd
firewall-cmd --zone=public --add-port=10050/tcp --permanent
firewall-cmd --reload
# подробнее здесь: https://serverfault.com/questions/626521/centos-7-save-iptables-settings
Ubuntu/Debian
Надо прописать и сохранить в файле текущие правила:
Пропишем в /etc/network/interfaces
auto eth0
iface eth0 inet dhcp
pre-up iptables-restore < /etc/iptables.rules
#post-down iptables-restore < /etc/iptables.downrules
Примечание:
В Ubuntu 16.04 так делать нельзя - там надо применять пакет iptables-persistent
см. статью “Persistent Iptables Rules in Ubuntu 16.04 Xenial Xerus”