Trying to run a test program which needs rsh, and I'm getting:

# rsh pnfs-3-11.central w
pnfs-3-11.central.sun.com: Connection refused

Evidently rshd is not running. There is plenty of info on how to get it running pre-Solaris 10. Hmm, how do I get started with smf?

# svcadm enable svc:/network/shell:default
# svcadm enable svc:/network/login:rlogin

I threw in rlogin for free!

Make sure to fill in your /etc/hosts and .rhosts files as needed.

# rsh pnfs-3-11.central w
  1:58pm  up 9 min(s),  1 user,  load average: 0.00, 0.05, 0.05
User     tty           login@  idle   JCPU   PCPU  what
root     pts/1         1:50pm     6                -sh