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Appendix C. Installing a Java Development Kit on Red Hat Enterprise Linux
Red Hat supports the JBoss Enterprise Application Platform when it is run on Red Hat Enterprise Linux version 4 or 5 in conjunction with the Sun Microsystems Java Development Kit (JDK) version 1.6. The JBoss Enterprise Application Platform is also supported on Red Hat Enterprise Linux 5 when it is run using OpenJDK 1.6. These JDKs can be installed by using the Red Hat Network (RHN).
Note
If you have difficulties subscribing to the correct software channels in Red Hat Network you should refer to the Red Hat Network Help Desk at https://rhn.redhat.com/rhn/help/ or contact Red Hat Support via http://access.redhat.com directly for assistance.
C.1. OpenJDK on Red Hat Enterprise Linux 5
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Use this procedure to install OpenJDK on Red Hat Enterprise Linux 5.
Important
The following commands must be run as
root.
Procedure C.1. Installing OpenJDK on Red Hat Enterprise Linux 5
Subscribe to the
base channel.The OpenJDK is available in Red Hat Enterprise Linux'sbase channel.Install the package.
To install OpenJDK, issue the following command:yum install java-1.6.0-openjdk-devel
yum install java-1.6.0-openjdk-develCopy to Clipboard Copied! Toggle word wrap Toggle overflow Set OpenJDK as the system's default Java Development Kit.
To ensure that the correct JDK is set as the system default, run thealternativescommand as described in Section C.4, “ Setting the default JDK with the/usr/sbin/alternativesUtility ”
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