[Beowulf] passwordless rsh/ssh

Todd Merritt tmerritt at email.arizona.edu
Wed Jun 22 13:06:22 PDT 2005

If you aren't doing it from the console, and you
have /lib/security/pam_securetty.so in your /etc/pam.d/rsh, you need to
add rsh and rlogin to /etc/securetty.

On Wed, 2005-06-22 at 11:27 -0700, David Mathog wrote:
> >> Did anyone know how to make rsh passwordless?
> >Read man hosts.equiv, or learn how to build a .rhosts file.  Or both.
> >Note that you may have to tweak PAM or other authentication controls to
> >get it to work -- linux has several distinct layers where one can BLOCK
> >passwordless logins or rsh in general, and they all have to be set
> >correctly for it to work.
> On a somewhat related note I recently discovered that the
> use of
>   rsh -l fred mandrake somecommand
> fails when the target is a Mandrake 10.0 machine, even when "fred"
> and whoever issues the command can both do rsh (via .rhosts and/or
> hosts.equiv) AND when the command works as expected when sent
> to a Solaris host. It failed for three different rsh
> implementations (two on linux, one on Solaris) leading me
> to suspect either some obscure  configuration error for
> in.rshd is getting in the way.  Either that or the in.rshd
> on this linux is broken.
> The in.rshd on linux comes from:  rsh-server-0.17-13mdk
> Anybody else seen this?
> Thanks,
> David Mathog
> mathog at caltech.edu
> Manager, Sequence Analysis Facility, Biology Division, Caltech
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