If you wanted to do that you would just have to copy the user information
(/etc/passwd /etc/shadow /etc/group) so the user accounts match up. Then
you would have to add the new node to the .ssh information using a method
not entirely unlike this
http://blogs.translucentcode.org/mick/archives/000230.html and push this to
all your old nodes as well. You would then be stuck maintaining it all by
hand as well to a large degree.
Personally I would rebuild using the latest build of OSCAR. It would
probably be easier to copy over your custom application code to a new
cluster setup, I am guessing.
You could do a test setup with 5.0 or 5.1b on your new node and one of the
old nodes, then if it doesn't work you still should be able to reimage the
old node and try building it by hand again.
Just some thoughts.
On Wed, Mar 19, 2008 at 12:15 PM, Grigory Shamov <[EMAIL PROTECTED]> wrote:
> Dear OSCAR-Users,
>
> I have a rather lame question: how to add a node manually?
>
> I've added (physically, that is) a node to one of my old clusters build
> with OSCAR4.2. Since then, many upgrades happened, and SYSTEMIMAGER wont
> install the image saying about me having fun.
>
> Is it possible just to install Linux (CentOS 4 in my case) and then
> manually install OSCAR rpms like C3, ganglia, ssh-oscar etc.?
>
> I've actually tried to do so but somehow SSH doesnt allow me to enter on
> the new node w/o passowrd, despite I copied the content of /etc/ssh from
> an old working node to the new one. Is there a quick fix? How does OSCAR
> configure SSH? Thank you in advance!
>
>
> --
> WBR, Grigory Shamov
>
>
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