This post shows how to install and configure Java Development Kit 6 on CentOS/RHEL.
Download Java Development Kit 6
You can download JDK 6 versions from e.g. Oracle’s Java Webpage : oracle.com/java/technologies/javase-downloads.html
- Select “Accept License Agreement”.
- Then select “Linux self-extracting file” for Linux Platform.
- Save the file “jdk-6-[xxxx]-linux-i586.bin” to e.g . /opt or [some directory]
Install JDK or JRE
Install JDK or JRE by running the .bin file as shown below:
# cd /opt # chmod +x jdk-6-linux-i586.bin # ./jdk-6-linux-i586.bin ... ... Do you agree to the above license terms? [yes or no] yes
Set the environment variables
You can add the following lines to /etc/profile or .bash_profile file in your home directory. And then run “source /etc/profile” or “. .bash_profile” so that the environment variables can take effect.
$ export JAVA_HOME=/opt/jdk1.6.0 $ export PATH=$JAVA_HOME/bin:$PATH
Check the JDK version
Once you are done with the installation, you can check the JDK version with below command:
# java -version java version "1.6.0" Java(TM) SE Runtime Environment (build 1.6.0-b105) Java HotSpot(TM) Client VM (build 1.6.0-b105, mixed mode, sharing)