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Appendix A. Prerequisite Software
A.1. Install OpenJDK on Red Hat Linux
This topic covers the steps to install OpenJDK on RedHat Linux.
- Subscribe to the Base Channel Obtain the OpenJDK from the RHN base channel. (Your installation of Red Hat Enterprise Linux is subscribed to this channel by default.)
- Install the Package. Use the yum utility to install OpenJDK: yum install java-1.7.0-openjdk-devel
- Verify that OpenJDK is now your system default. You can ensure the correct JDK is set as the system default by following the steps below.
- As a root user, run the alternatives command for java: /usr/sbin/alternatives --config java
- Select
/usr/lib/jvm /jre-1.7.0-openjdk/bin/java. - Apply the same for javac:
/usr/sbin/alternatives --config javac - Select
/usr/lib/jvm /java-1.7.0-openjdk/bin/javac.
Result
OpenJDK is installed successfully on your machine.
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