We need to install the OEM agent in the target server which we need to
monitor from the OEM console. Generally, we can do this by OEM console itself.
If it allows the agent installation through OEM is well and good as it is the
easiest way. Sometimes we as DBA faces issues in installing the agents in the
target server by the OEM console add host, target options. In such situations
we can use below method to install the agent in the target server and easy we
get it monitored from the OEM.