The Unix/Linux agent does not start with the parameter -svc%port%.
-bash-5.1$ $PWD/ucxja64 -svc%port%
20241121/101145.481 usage : UCXJxxx [[ini=]<file>]
<file> ... Use this INI file
Release: 21.0.X, 24.X
Component: Agent Unix
Unsupported parameter.
The parameter -svc%port% is not a supported start parameter for the Unix agent.
The supported parameters can be found here: