On Thu, 24 Oct 2002, Jeff Squyres wrote: > On Thu, 24 Oct 2002, sameer kanwar wrote: > > > i am running OSCAR 1.2.1 on linux 7.1. i would like to use rsh instead > > of ssh as is default done by OSCAR,(i know the implications),how does > > one do it ? > > I first have to make the obligatory warning: using rsh is generally a bad > idea. It also offers little functionality over ssh -- indeed, ssh offers > *MUCH* more functionality than rsh (security, automatic X forwarding, > better job control, etc.). I would personally *strongly* advises you not > to use rsh (even if you're on a private cluster). > > The next question is: what do you want to use rsh *for*? Just for MPI? > Most of the other services in OSCAR don't use rsh/ssh. > > In the case of LAM/MPI, all you have to do is set the environment variable > (preferably in some system-level config file, such as /etc/profile -- on > the head node *and* every client node) LAMRSH to "rsh". This environment > variable is a run-time override for LAM/MPI. > > I think there's a corresponding environment variable for MPICH, but I'm > not sure, offhand.
Advice on using ssh seconded... To enable rsh-abilities though, you'll also need to modify /etc/xinet.d/rsh and/or rexec and/or rlogin, cpush these over to the clients, and cexec a restart of xinetd. Paul Gray -o) 323 Wright Hall /\\ University of Northern Iowa _\_V Message void if penguin violated ... Don't mess with the penguin No one ever says "Hey, I can't read that ASCII e-mail ya sent me." ------------------------------------------------------- This sf.net email is sponsored by: Influence the future of Java(TM) technology. Join the Java Community Process(SM) (JCP(SM)) program now. http://ad.doubleclick.net/clk;4729346;7592162;s?http://www.sun.com/javavote _______________________________________________ Oscar-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/oscar-users
