hung SSH on Solaris when starting Oracle

[Mike Simpson]

> Does "lsnrctl start < /dev/null 2>&1 >/dev/null" cause a hang?

Yes, although this (cribbed from Jason Stone's earlier post) does 
seem to avoid the hang:

  perl -e 'fork && exit; close STDIN; close STDOUT; close STDERR; \
      setpgrp(0,$$); exec "lsnrctl start";'

-mgs