Dave recently blogged A quick and dirty HowTo manually configure Directory Server, where he explained how to configure Java Enterprise System Directory Server on Sparc from the command line.
The good news is that all of what he said was not only fully accurate but based on public interfaces and thus fully supported.
The explainations stand for the Java ES version of Directory Server on Solaris (sparc or x86), installed as native packages, and the steps described in his entry are written in our Installation and Tuning Guide.
The same steps will also work with Java Enterprise System 2004Q2 Directory Server on Linux, since we also support RPM packages and delivered the directoryserver utility (the path is different though: /opt/sun/sbin/directoryserver).
And of course, this will continue to work with Java Enterprise System 2005Q1 which is currently in the beta phase.