how to install java in ubuntu to accesss oracle finance

how to install java on Ubuntu to accesss Oracle finance

- download java jre from website java.com file name like "jre-6u31-linux-i586.bin"

- create folder /opt/java/32 the copy jre-6u31-linux-i586.bin to includign set executable file

open terminal and enter command

cd /opt

sudo mkdir java

cd java

sudo mkdir 32

cd 32

sudo mv ~/Downloads/jre-6u31-linux-i586.bin /opt/java/32

sudo chmod 755 /opt/java/32/jre-6u31-linux-i586.bin

- execute bin file

cd /opt/java/32

sudo ./jre-6u31-linux-i586.bin

- tell system the java avalid

sudo update-alternatives --install "/usr/bin/java" "java" "/opt/java/32/jre1.6.0_31/bin/java" 1

sudo update-alternatives --set java /opt/java/32/jre1.6.0_31/bin/java

- remove icedtea form firefox plugin and create link in firefox

sudo mkdir ~/.mozilla/plugins

sudo apt-get remove icedtea6-plugin

rm .mozilla/plugins/libnpjp2.so

ln -s /opt/java/32/jre1.6.0_31/lib/i386/libnpjp2.so ~/.mozilla/plugins/

ref site:

http://sites.google.com/site/easylinuxtipsproject/java