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On Sun, Feb 3, 2019 at 1:09 PM Joe Pluta <joepluta@xxxxxxxxxxxxxxxxx> wrote:

I simply meant that just typing su doesn't get you into root mode. But
sure, you can use "sudo su". I just appreciated that they made you think
a little more in order to get into root mode. :)


It's *not *to make us *think *more, Joe!

1. By default, root login via ssh is disabled.
2. Ergo, if the su command is r-x------ then no one from remote can go root
except through sudo.
3. su itself historically on Unix is not controlled access, but sudo is
controlled by the /etc/sudoers file.

So we see that *there are only two ways* on such a system by which to go
root:

1. Login as root *through the console* (physical access or direct VM
access)
2. Use sudo which entails access control via /etc/sudoers

It's a *security measure*, not a nag :)


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