Install new JDK or JRE

From MEPIS Documentation Wiki

Step 1 - Get the SunJVM

You can get the latest Sun JVM from here http://java.sun.com/

Step 2 - Install the Required Builder Package

apt-get -u install java-package This package allows you to take the bin file that sun provides and make a .deb out of it.

Make sure that your repository is fully upto date before installing this package or you might run into problems installing the latest JVM. You also need fakeroot if you don't have it.

Step 3 - Create the .deb Package File

You have to perform this step as a non-root user so I suggest using your own account. Create a temporary directory and copy the java .bin installer file into it. then run the command:

fakeroot make-jpkg jdk-1_5_0-linux-i586.bin

changing the name of the java .bin package if you need to. You may see a few warnings while the package is being created (and it takes some time to actually create it - about 2 minutes). If you see a message at the end saying the package was created then the warnings are not a problem. The message will probably look something like this:

The Debian package has been created in the current directory. You can install the package as root (e.g. dpkg -i sun-j2sdk1.5_1.5.0+update00_i386.deb).

Step 4 - Install the Java .deb Package

You need to be root to perform this step so swtich now. Then execute the following command:

dpkg -i sun-j2sdk1.5_1.5.0+update00_i386.deb

Of course you need to specify the correct package name if yours doesn't match mine. You can find out what the package name is from looking at the success message.

Step 5 - Check it Works

java -version

as both root and another user to make sure everything is installed correctly. You should see output not a million miles different to that shown below.

java version "1.5.0" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64) Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode, sharing)

Step 6 -- run update-alternatives --config to change java default globally

update-alternatives --config java

There are 2 alternatives which provide `java'.

Selection Alternative