[CentOS] Help: Server security compromised?

Ned Slider ned at unixmail.co.uk
Wed Aug 6 08:40:37 UTC 2008

Noob Centos Admin wrote:
> Hi,
> If you use
>> su
>> only, you assume root privileges without the root environment.
>> Rather do
>> su -
>> which gives you the full root environment, including path.
>> The same holds for other users, i..e
>> su - joe
>> switches the user to the user joe with full environment.
> Thanks a million for that! Going to save me a ton of time from issuing
> whereis command to find commands when I need to follow instructions off a
> website!

Plus we have a Wiki page that explains in some detail here:


It's a common mistake/misunderstanding most people make to start with :)

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