Re: Linux cluster application

On Thu, 2006-03-02 at 14:41, Andrew Watkins wrote:
> I'm writing a parallel/distributed application that assesses the
> performance impact of frequent insertions/selects to databases on
> parallel file systems in a linux cluster environment.  Currently, the
> application calls for a database server to be running on each node of
> the cluster. Since my end-users may or may not have root access to the
> machines in the various clusters being used, I'm installing postgres
> from within the user's account to facilitate the starting and stopping
> of the postmaster without the need of root access.  My general question
> is if anyone has experience with such a situation where the database
> server would need to be started on each machine in a parallel
> environment.  If so, are there any suggestions for working with such a
> condition?

You could set up ssh keys with no passphrase and use ssh to do it in a
short shell script.