The following procedure explains how to access a JRuby Container from the GlassFish Server Administration Console.
Open the GlassFish Server Administration Console from a Web browser.
Log in to the Administration Console, if configured for secure login.
Depending on your GlassFish Server configuration, your Administration Console may not require login credentials.
Select Common Tasks->Configuration->JRuby Container from the tree in the panel on the left side of the Administration Console.
Change JRuby Container properties, as desired, in the Details panel.