PENTAHO DATA INTEGRATION INSTALLATION IN LINUX

Just download the binany :pdi-5.2.0.0-209-x64.bin, from the page.

After that give permissions like this: chmod 777 pdi-5.2.0.0-209-x64.bin
after that execute: ./pdi-5.2.0.0-209-x64.bin
and thats it.

reference
 http://www.knowpentaho.com/2013/11/pentaho-data-integration-pdi-501.html

Case when driver is missing:

http://www.knowpentaho.com/2014/02/pentaho-common-errors-driver-class.html