What are the options for Java installed through RPM?

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This article applies to:

Platform(s): Red Hat Linux, SUSE Linux, Oracle Linux, Oracle Enterprise Linux, SLES
Java version(s): 6.0, 7.0

This page answers most frequently asked questions about installing Java on Linux using RPM method.

The RPM database can be queried to determine what packages have been installed. This command will try to locate any Java installed on the system.

Note: If a version of Java is installed on the system, but is not listed by the RPM query, then it is not an RPM installation.

The recommended method of upgrading Java using RPM is to use the upgrade option.
For example:

Open new Terminal Window
Type: rpm -Uvh <package-file>
For example: for upgrade to Java 1.7.0, type: rpm -Uvh jre1.7.0

The vh options are used to provide the user with feedback during the installation process.

To uninstall a RPM installation, you need to know the package’s full name, version number, and release names.

Open new Terminal Window
Type: rpm -q jre
Note: Sample results returned by above query
jre-1.5.0
jre-1.6.0_07
To uninstall 1.5.0, type: rpm -e jre-1.5.0

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