Marslert.com

When you have prompted with a message state : You need to have root privileges , when opened an application. There are few ways actually to deal with this,

1. type $ sudo application_name , to run under root user
2. type $ gksudo > a screen will display which you may type the application launch command
3. right click on application properties > Launchers > add gksudo at the command field there. When execute the application next time, it will run under root privileges

Thats it if have some application that require root privileges to do something.