Install jre plugin

If a browser plugin and Java runtime are all that is required, as opposed to a full Java development environment, the Oracle formerly Sun Java Runtime Environment JRE RPMs work for all currently supported CentOS versions, and are arguably the most compatible with web pages that require a Java plugin. The Java versions shown below are current as of this writing. Java 1. However the same procedure as below can be used with any of them.

The only difference is that the new versions are distributed directly as a rpm package so instead of the shell command which unpacks and installs the '.

Due to the way the libraries bundled in the package were built, the browser plugin included in Java 1. The package can be sucessfully installed but firefox will not enable the plugin due to missing GLIBC symbols. Please use the plugin from Java 1. Download the latest Linux RPM self-extracting file , currently jre-6ulinux-irpm. Create links in the Mozilla Plugins directory so Java will work in supported browsers such as Firefox. Download the latest Linux RPM self-extracting file , currently jre-6ulinux-xrpm.

Exit Firefox if it is running and [re]start Firefox. Type 'about:plugins' in the URL field. It should show Java enabled. The Windows x86 Offline Installer, as well as the installers for bit systems, contain everything needed to install the JRE.

Alternatively, depending on your browser click Run or Open to run the JRE installer from your browser.

If you saved the JRE installer to your computer, run the installer by double-clicking it. Follow the instructions the installer provides. The installer notifies you if Java content is disabled in web browsers, and provides instructions for enabling it. If you previously chose to hide some of the security prompts for applets and Java Web Start applications, the installer provides an option for restoring the prompts.

When you are finished with the installation, you can delete the downloaded file to recover disk space. This also applies to the bit version of the JDK. By default, Java Access Bridge is disabled. After installation, use the Java item in the Windows Start menu to get access to essential Java information and functions, including help, the Java Control Panel, and checking for updates.

The Java Removal Tool is integrated with the uninstallation process, and it will guide you through the removal of older JREs. The Java Uninstall tool helps you improve your computer security by simplifying the process of finding and uninstalling older versions of Java. The Uninstall tool shows you a list of the Java versions on your computer and then removes those that are out-of-date.

A deployment rule set enables enterprises to manage their Java desktop environment directly and continue using legacy business applications in an environment of ever-tightening Java applet and Java Web Start application security policies. A deployment rule set enables administrators to specify rules for applets and Java Web Start applications; these rules may specify that a specific JRE version must be used. Consequently, the Java Uninstall tool will not run if it detects a deployment rule set to ensure that no required JREs are uninstalled.

During JRE install and uninstall processes, the appropriate start menu items are updated to be associated with the latest JRE version on the system.

Java Plug-in technology, included as part of the JRE, establishes a connection between popular browsers and the Java platform. This connection enables applets on web sites to be run within a browser on the desktop. Java Plug-in is automatically enabled for supported web browsers during installation of the JRE.

No user intervention is necessary. Java Web Start is an application-deployment technology that gives you the power to run full-featured applications with a single click from your Web browser. You can now download and run applications, such as a complete spreadsheet program or an Internet chat client, without going through complicated installation procedures.

With Java Web Start, you run applications simply by clicking a web page link. If the application is not present on your computer, Java Web Start automatically downloads all necessary files. It then caches the files on your computer so the application is always ready to be run anytime you want - either from an icon on your desktop or from the browser link. No matter which method you use to run the application, the most current, available version of the application is always presented to you.

See Java Web Start for more information. If you have a previous version of Java Web Start, do not uninstall it. Uninstalling it will cause the download cache to be cleared, and all previously installed Java Web Start application data will have to be downloaded again.

This new version will write over previous installations and automatically update browsers to use this new version. Close the Environment Variables and System Properties dialog boxes. Follow the installation instructions that are provided with the JRE.

Save the path to the JRE executable file. You will need it later. From the command shell of the operating system, issue the following command.