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some command help


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#1 Guest_R3.RyozKidz_*

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Posted 01 May 2010 - 08:28 PM

im currently using Ubuntu9.04
Im the only user in my OS
when i typed "su root" on the terminal, it asks me for password.
then i typed my password, and it displays su: Authentication failure
But im quite sure that i have typed the correct password..~
pls help...
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#2 ETShost


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Posted 01 May 2010 - 10:10 PM

The "su" command allows you to execute a command as another user by logging in as that user. So with "su root" you login as root, using root user's password, instead your own password.

Using the "sudo" command allows you execute a command as the root user with your own password, assuming you've been given permission to do so via the "sudoers" file.
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Also tagged with one or more of these keywords: authentication

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