Introduction: In this article, we will see how to add or configure target in the OEM on Linux environment step by step. Prerequisites: Below are the minimum requirements for Linux environment: Connectivity between OEM & Target server. Must add target Hostname/IP entry in OEM "/etc/hosts" file and vice-versa. Minimum 5GB free disk space on target machine. Must have root user or sudo access of target machine. Disable the firewall. OR allow ports such as 1521, 3872 between OEM & target machine. Environment: OEM Hostname oem.oraeasy.com OS OL 7.3 OEM Version 13c Release 5 (13.5) OMS Home /oem/app/oracle/middleware Agent Base /oem/app/oracle/agent Target Hostname uat.oraeasy.com OS OL 8.5 Database Name ORCLDB Database Version 19c (19.27) ...