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Installing Oracle Java 8 Update 31 plugin in Firefox – Linux

I have a Red Hat Enterprise Linux 5 and I want to install Java 8 with the browser plugin.

root@linux:~ # cat /etc/*release
Red Hat Enterprise Linux Server release 5.8 (Tikanga)

In order to do that, go to http://www.java.com/en/download/manual.jsp and download the corresponding version according to your machine. I choose Linux x64 RPM

root@linux:/tmp # rpm -ivh jre-8u31-linux-x64.rpm
Preparing… ########################################### [100%]
1:jre1.8.0_31 ########################################### [100%]
Unpacking JAR files…
rt.jar…
jsse.jar…
charsets.jar…
localedata.jar…
jfxrt.jar…

Go to /usr/lib64/mozilla/plugins and create a link

root@linux:/usr/lib64/mozilla/plugins # ln -s /usr/java/jre1.8.0_31/lib/amd64/libnpjp2.so libnpjp2.so
root@linux:/usr/lib64/mozilla/plugins # ls -l
total 0
lrwxrwxrwx 1 root root 41 Jun 9 2014 libflashplayer.so -> /usr/lib64/flash-plugin/libflashplayer.so
lrwxrwxrwx 1 root root 41 Jul 7 2014 libjavaplugin.so -> /etc/alternatives/libjavaplugin.so.x86_64
lrwxrwxrwx 1 root root 43 Jan 28 15:18 libnpjp2.so -> /usr/java/jre1.8.0_31/lib/amd64/libnpjp2.so

Verify if the plugin is being loaded typing about:plugins in the address bar

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