Monday, February 15, 2010

How to install JAVA on Fedora 10

1. Visit the following url for downloading:

http://java.sun.com/javase/downloads/index.jsp

2. Copy the downloaded file to /usr/local (or to into a directory or your choice)

cp jdk-6u16-linux-x64-rpm.bin /usr/local/

3. Change the current directory

cd /usr/local/

4. Change the permission of the file you downloaded to be executable. Type:

chmod a+x jdk-6u16-linux-x64-rpm.bin

5. Verify that you have permission to execute the file. Type:

ls -l

6. To start the installation process, type:

./jdk-6u16-linux-x64-rpm.bin

7. The installation file creates jdk-6u16-linux-amd64.rpm file in the current directory.

8. Run the RPM command at the terminal to install the packages. Type:

rpm -ivh jdk-6u16-linux-amd64.rpm

9. The JRE is installed in jre1.6.0_(version number) sub-directory under the current directory.
In this case, the JRE is installed in the /usr/java directory.
Verify that the jdk1.6.0_16 sub-directory is listed under /usr/java directory.

cd /usr/java/
ls

10. Delete the bin and rpm file if you want to save disk space.

cd /usr/local/

rm jdk-6u16-linux-x64-rpm.bin

rm jdk-6u16-linux-amd64.rpm

11. Edit the /etc/profile file

Open /etc/profile file by the following command

vim /etc/profile

Add the following entries at the end of /etc/profile file

JAVA_HOME=/usr/java/jdk1.6.0_16
export JAVA_HOME

JRE_HOME=/usr/java/jdk1.6.0_16/jre
export JRE_HOME

Save /etc/profile file by the following commands

Esc
Shift+ Collon
:qw
Enter

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