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Install Zabbix Agent on Ubuntu 20.04 - Step by Step Process ?

This article covers how to install the Zabbix Agent on a Ubuntu 20.04 system very conveniently.
You can ensure the successful installation of the Zabbix Agent by checking its Active status on your system. However, you can also uninstall it anytime you want.
Zabbix agent is installed on the remote host (target) to monitor the hard drive, memory processor, etc. The agent collects data and sends back to Zabbix Server.
Zabbix agents can use passive or active checks to pass information.
In passive check, Zabbix server (poller) requests an agent for certain information, and the agent sends back a value.
In the active check, the agent process all data and pushes it to the Zabbix server.
However, agent periodically connects the server to collect metric which needs to be monitored.


To Configure Zabbix agent:
Make necessary changes on the Zabbix Agent configuration file "/etc/zabbix/zabbix_agentd.conf".
After making changes, Save the changes and exit the file.
Then restart Zabbix agent service to the changes to be effected.

$ sudo systemctl restart zabbix-agent


To Configure the firewall on Zabbix agent:
1. If you have UFW firewall enables, execute the commands:

$ sudo ufw allow 10050/tcp

2. Then reload the firewall

$ sudo ufw reload

3. And verify that the port has been opened or allowed on the firewall.

$ sudo ufw status



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