On Fri, 2005-10-07 at 23:30 +0800, [log in to unmask] wrote: > Dear SL users, > > With the help of people here and other webpages, I finally figured out > the things that I have to do to make rsh work. > This is not a problem directly related to SL because rsh is considered > as an "old internet service" and is not installed with SL in many cases. > However, since I believe that many will use SL as the OS for clusters, > and MPICH will use rsh, so I think it helpful to make a summary here. You are correct, it is usual for MPICH to use rsh. For information, MPICH can be configured to use ssh. (You can arrange for a temporary key to be generated, or to use passwordless keys). > Therefore, when I tried to do rsh, the krb5 and krb4 versions are tried first. > Is there any good way to modify this setting so that all of the rsh calls > goes to /usr/bin/rsh ? We have met this problem also. I would just edit or disable the krb5 script.