authentication failure

[azkar]

Hello...
Im a newbie in linux and kubuntu is my first linux distro that i used..i have inatalled kubuntu in my machine...but when i try to change to superuser ( su)...the following statement come out

Authentication failure

May members help me...

thank you

[Rog131]

Re: authentication failure

Maybe this helps:

FAQ: Root Password
http://kubuntuforums.net/forums/inde...opic=3089088.0

- What is Root
- Ubuntu Official Policy
- sudo, kdesu, kdesudo, gksu, gksudo
- Passwordless sudo for the script
- Using sudo to become root
- Enabling root password
- Root Revival
- Enabling Graphical Root login