How to remove openJDK and Install sun jre on RHEL/Centos/linux

 

Removing OpenJDK from linux

[root@localhost opt]# yum remove java*

check java version

[root@localhost opt]# java -version

-bash: /usr/bin/java: No such file or directory

Download latest jre from oracle site

http://www.oracle.com/technetwork/java/javase/downloads/jre6downloads-1902815.html

[root@localhost opt]# ls

lost+found

jre-6u45-linux-x64-rpm.bin

[root@localhost opt]# chmod +x jre-6u45-linux-x64-rpm.bin

[root@localhost opt]# ./jre-6u45-linux-x64-rpm.bin

Unpacking...

Checksumming...

Extracting...

UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (Zip-Bugs@lists.wku.edu).

inflating: jre-6u45-linux-amd64.rpm

Preparing... ########################################### [100%]

1:jre ########################################### [100%]

Unpacking JAR files...

rt.jar...

jsse.jar...

charsets.jar...

localedata.jar...

plugin.jar...

javaws.jar...

deploy.jar...

Done.

[root@localhost opt]# ls

jre-6u45-linux-amd64.rpm

jre-6u45-linux-x64-rpm.bin

[root@localhost java]# java -version

java version "1.6.0_45"

Java(TM) SE Runtime Environment (build 1.6.0_45-b06)

Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode)

[root@localhost java]#