WordPress Plugin installation in Ubuntu asking for FTP connection info

Probably this problem don’t arise in Windows system, but arises in Linux, and I have faced this problem in Ubuntu 12.04.4 LTS. I tried to install demo-data-creator.zip plugin located in my Home folder. I opened the WordPress Dashboard in browser. Gone to-

Admin section -> Plugins -> Add New -> Upload, then click CHOOSE FILE button, click INSTALL NOW.

WordPress Plugin installation in Ubuntu asking for FTP connection info:

When I am trying to install a plugin in WordPress , it is asking for FTP connection information like the following

wordpress-plugins-installation-problem-in-linux
wordpress-plugins-installation-problem-in-Ubuntu-linux

The solution:

A solution has been described in this page.