Re: [Xen-users] special passwords for xenserver direct console, could it be?

[Craig Miskell <craig.miskell@xxxxxxxxxx>]

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stabeek wrote:
> Hi,
> Would appreciate any comments on the following scenario. Thanks in advance.
> I'm a newcomer to xen and have received a machine with several VMs
> running on it. I also have the root passwords to the VMs at keast one of
> which I can log into as root via ssh.
> I can also connect a keyboard and screen directly to the machine and I
> get a XenServer Management console coming up in ncurses style.
> However the root password I use for ssh is rejected by this Mgmt console
> when I select and request login into the machine I just ssh'd into.
> The possibility of the Xenserver Mgmt console needing a different typoe
> of root password is not impossible (i'm new to xen, so I tend to expect
> and believe anything), but at the same time it not hugely conventional.
> Having two types of "root passwords" ... well ... I suppose one could
> get used to it, but it will cause not a little confusion.
> I decided that it can't be, so I checked and re-checked my typing and
> the keyboard to make sure it enters what I typed.
> One thing this Mgmt console can't do is allow non-root access. You
> overwrite the UID part (it allows you to overwrite "root") and you ente
> a valid username for the VM in question, and it says "only root can log
> in here" or something to that effect.
> Grateful for any comments. Many thanks.
Hi,
        This is quite normal.  The host running the XenServer Mgmt console is a 
much
more trusted server than the guests; in essence, connecting through the host
gives you full access to the guests.  The reverse is not true.  So, in some
scenarios that may be a large part of the design (untrusted guests under the
control of non-local people), where having the same root password would be
inadvisable.

You are quite entitled to set the root password on the management console to be
the same as the guests, but there's no connection between them, by design.

- --
Craig Miskell
Senior Systems Administrator
Opus International Consultants
Phone: +64 4 471 7209
Real programmers program by whistling down the MIC IN port of a ZX80.
        - Adrian Millett
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