I have just install Zabbix server 6.2 on centOS 8.4 server and Also I have a different linux 6.1 server with oracle database 12c. I want to remotely monitor my oracle database 12c, in order to I have install "Zabbix Agent2" on linux server. I have getting below error, when I start "Zabbix Agent2". required help on this error.
readdirent proc/24875/map_files: operation not permitted
Connection failed: ORA-12541: TNS:no listener.
Connection failed: ORA-12541: TNS:no listener.