Sun OpenDS Standard Edition System Requirements
To specify a JVMTM Installation for the Directory Server
File Descriptor Requirements (Linux Systems)
To Increase the File Descriptor Limit (Linux)
Specific Requirements for Installation in a Solaris Zone
Installing the Directory Server
Configuring the JVM, Java Options, and Database Cache
Starting and Stopping Your Server Instance
Managing the Server as a Service
The directory server requires that your system have an installed version of at least Java SE 5.0 (Sun version 1.5.0_08) Java runtime environment (JRE). The preferred JRE is the latest version of Java SE 6.0. Java SE runtime environments for Solaris, Linux, and Windows systems are available online at the following web site: http://java.sun.com/javase/downloads/index.jsp.
Tested up to Version:
Sun JRE 1.5.0_20 (32-bit and 64-bit)
Sun JRE 1.6.0_16 (32-bit and 64-bit)
(performs better on the latest revision of Sun Java 6.0)