restarting bash_profile for root user.

I am on a windows machine and I am using tight vnc to login to a linux machine.  You cannot login as root using tight vnc so I created a statndard user called admin.
Once I login as admin I open up a vi editor and su root.
Once in root I run the command ifconfig. It does not work.
I know this works when I login in directly to the linux machine as root.
I'm guessing I have to relaod or restart the bash_profile for root. How do I do this or is it even possible.
Thanks
dplinnaneAsked:
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jkrCommented:
Try

su - root

instead of just

su root

to initialize the profile.
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dplinnaneAuthor Commented:
Thanks I actually got it working beofre you posted. I'll give you the points if you can tell me what the diffeence between su - root is and su root
0
jkrCommented:
'-' implies '-l' which creates a login shell, which automatically causes the profiles to be read. Without that, just the user and group IDs are substituted and the 'old' shell environment remains.
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