trying to set up wifi, lack priveleges

i managed to get KNOPPIX installed on a compaq presario. It has a wirless pcmcia card. I have tried to launch kwifiManager from the knoppix menu and I get prompted for the root password with this dialog:

Code:

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The action you requested needs root privileges.  Please enter root's password below or click Ignore to continue with your current privileges

Command:  kdesu '--' 'sudo' 'kwifimanager'

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When I enter the root password it says 'The program 'SU' is not foud; make sure your PATH is set correctly.

When I try to open a terminal window to check/set the path, i get the error:

Code:

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Konsole is unable to open a PTY (pseudo teletype).  It is likely that this is due to an incorrect configuration of the PTY devices.  Konsoles needs to have read/write access to the PTY devices.

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Is there some sort of configuration I neglected to set up?

problem happened to me too, after a little googleing i found that it was fixed by adding your name to the sudoers file or something like that?

im pretty new to linux but i was able to use vi to edit the file

as root type the command visudo

scroll down to where you see something like root ALL=(ALL) ALL

then just add your user name right underneath it with the same ALL text

final should look like

root ALL=(ALL) ALL
user ALL=(ALL) ALL

then just save it and you should be in business