Ubuntu

TERMINAL is not working

Asked by ANIRUDDHA

I am a very new user of OBUNTU.I have installed OBUNTU 7.10 and updated it fully on internet.But the TERMINAL is not accepting my password.I have tried a lot but not been successful.please help me..... my terminal screen display like this---

                aniruddha@aniruddha-laptop:~$ su
                Password: "here i have given my password through laptop keyboard,by external keyboard a lot of time"
                su: Authentication failure
                 aniruddha@aniruddha-laptop:~$

               PLEASE SUGGEST ME SOMETHING EFFECTIVE

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Solved by:
Frédéric Junod
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Best Frédéric Junod (fredj) said : 		#1

By default, the root user don't have a password so you can't become root with su. If you really need to become root, type in the terminal:

sudo su

And enter your password. Et voila: you're root.

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ANIRUDDHA (bubinet90) said : 		#2

Thanks Frédéric Junod, that solved my question.

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ANIRUDDHA (bubinet90) said : 		#3

I am a very new user of UBUNTU.I have updated it fully.Now update manager is showing -one update is available and when i am attempting to install it, an error command is coming like the following-----

                    An error occured

                     The following details are provided:

             ---------------------------------------------------------------------------------------------------------------
              E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem.
              E: _cache->open() failed, please report.
             ----------------------------------------------------------------------------------------------------------------

              I think 'E:' means one my hard drives.Actually there was a hard drive named E when i had used WINDOWS.
              ---PLEASE DO REFER SOMETHING EFFECTIVE-----

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ANIRUDDHA (bubinet90) said : 		#4

Thanks Frédéric Junod, that solved my question.