{ 6 comments… read them below or add one }

1 Vasudeva April 18, 2008 at 8:31 pm

Can we restrict multiple users using su command at a time ? Like user1 already using su – and working on some commands. Can we disallow using user2 at the same time ? Please let me know how can we configure this ?

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2 ardmad July 9, 2009 at 6:07 pm

Hi. Can you tell me how or in what interface should i type:

$ su root

I don’t quite understand where to type that. Thanks.

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3 nixCraft July 9, 2009 at 7:07 pm

Open terminal and type the commands.

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4 jalal hajigholamali August 17, 2011 at 3:36 pm

thanks a lot.
any history about wheel, why they choose wheel ?

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5 Ankit August 29, 2011 at 11:34 am

Great tip, now i have blocked the root ssh login and also allowed particular user to use su. :)

Thanks a lot for this tip.

Regards
Ankit.

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6 alpha July 31, 2013 at 3:45 am

You will be able to issue “su -” and get a login shell if you only edit /etc/pam.d/su, you need to edit /etc/pam.d/su-l as well.

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