64-bit jdk 6u45 installation in CentOS 6.4

64-bit jdk 6u45 installation in CentOS 6.4

Preparation:

1. Download the jdk of a previous version.

Address: http://java.sun.com/products/archive/

Version jdk-6u45-linux-x64-rpm.bin downloaded

Linux x6465.69 MBjdk-6u45-linux-x64-rpm.bin

2. Uninstall the default openjdk installed on CentOS

View installed versions

[Root @ test1 ~] # Rpm-qa | grepjava

The installed openjdk is listed and uninstalled Based on the listed content.

[root@test1 ~]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.9-2.3.4.1.el6_3.x86_64

[root@test1 ~]# rpm -e --nodeps ava-1.6.0-openjdk-1.6.0.0-1.50.1.11.5.el6_3.x86_64

Installation:

To the installation package jdk-6u45-linux-x64-rpm.bin directory to give the file executable permissions and then execute the installation, jdk will be installed to the/usr/java/directory by default

[root@test1 ~]# chmod a+x jdk-6u45-linux-x64-rpm.bin

[root@test1 ~]# ./jdk-6u45-linux-x64-rpm.bin

Configure environment variables:

Edit the/etc/profile file and add environment variables at the bottom

[root@test1 ~]# vi /etc/profile

export JAVA_HOME=/usr/java/jdk1.6.0_45export PATH=$/usr/java/jdk1.6.0_45/bin:$PATHexport CLASSPATH=.:$/usr/java/jdk1.6.0_45/lib/dt.jar:$/usr/java/jdk1.6.0_45/lib/tools.jarexport JAVA_HOME PATH CLASSPATH

Make the modification take effect

[root@test1 ~]#source /etc/profile

View the installation version:

[root@test1 ~]# java -versionjava 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)