Custom items (e.g., UserParameters) often take longer than the default Zabbix agent timeout. When execution exceeds the agent’s 3-second default, the item is marked not supported and you may see: $ zabbix_get -s 10.0.0.61 -p 10050 -k "login_user" ZBX_NOTSUPPORTED: Unsupported item key. Inc...
When Zabbix server starts and reports Z3001 with "Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’", it typically means Zabbix is pointing too a socket path that does not exist or differs from the one MySQL/MariaDB actually created. Symptom Example log excerpt...
Issue Analysis for Zabbix Agent Connection Problem Observations: Ping test to Zabbix actor: Successful. Telnet Connection Check to Zabbix service on port 10050: Successful, implying no issues with the agent machine. Testing Data Retrieval from Zabbix Agent: Execute the following command on the serve...