Added '-i /root/.ssh/identity' option to ssh, scp, etc. because $HOME is not /root if we're setuid....
Added '-i /root/.ssh/identity' option to ssh, scp, etc. because $HOME is
not /root if we're setuid....

Also, set $< to 0 if $> is 0 - this seems to be necessary to stop sshtb
from dropping root permissions.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome