OpenORB provides a Java implementation of the OMG CORBA 2.4.2 specification. So can be used as a programming library of a series of services.

Along with the ORB, the following OMG Services are provided:

Concurrency Control Service
Event Service
Interoperable Naming Service
Notification Service
Persistent State Service
Property Service
Time Service
Trading Service
Transaction Service
for Installing it in unix, ask a linux  forum which system files must be modified to install a service in linux