Hi Christian
Using a postscript to manage passwd, group and shadow seems a simple and elegant
solution to me.
Using ansible would let me use template files which are even better,
Thanks for the suggestions!!
Cheers,
On Tue, 2018-06-19 at 14:15 +0000, Christian Caruthers wrote:
> Some suggestions:
>
> Rather than sync'ing the passwd, group, and shadow files to the systems, use a
> postscript to simply appended what you need to those files.
>
> Set the xCAT management node up as an NIS server.
>
> Set up ansible on xCAT MN to manage/create user accounts.
>
> Connect to LDAP or AD domain.
>
> Regards,
> Christian Caruthers
> Lenovo Professional Services
> Mobile: 757-289-9872
>
> -----Original Message-----
> From: Daniel Hilst Selli <dan...@versatushpc.com.br>
> Sent: Monday, June 18, 2018 12:56
> To: xCAT Users Mailing list <xcat-user@lists.sourceforge.net>
> Subject: [External] [xcat-user] What is the best way for changing/maintain
> users/groups/passwords for the computing nodes?
>
> Hi!
>
> I had a problem where I couldn't login to a computing node with the password
> contained at system key of passwd table. I search in the internet for options
> on setting password for xcat.
>
> The documentation says
>
> chtab key=system passwd.username=root passwd.password=abc123
>
> But I don't really understand how this password would get to /etc/shadow of
> the computing nodes. Changing the password and reboot stateless node doesn't
> has effect, the node keep using the old password and passwd table and nodes
> /etc/shadow are out of sync.
>
> I saw people on internet synchronizing /etc/{group,shadow,passwd} from
> management node, but if this is the case, what is the point of the system key
> on passwd table?
>
> Any suggestion on how to handle computing node users will be appreciated!
>
>
> Regards,
>
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