////////////////////host2/////////////////////////// 
[issa_issa@host2 issa_issa]$ pvm
pvm> add host1
add host1
0 successful
                    HOST     DTID
                   host1 Can't start pvmd

Auto-Diagnosing Failed Hosts...
host1...
Verifying Local Path to "ssh"...
Rsh found in /usr/bin/ssh - O.K.
Testing Rsh/Rhosts Access to Host "host1"...

Rsh/Rhosts Access FAILED - "Permission denied."
Make sure host host1 is up and connected to
a network and check its DNS / IP address.
Also verify that host2 is allowed
rsh access on host1
Add this line to the $HOME/.rhosts on host1:
host2 issa_issa

pvm> conf
conf
1 host, 1 data format
                    HOST     DTID     ARCH   SPEED       DSIG
                   host2    40000    LINUX    1000 0x00408841
pvm>





///////////////////host1/////////////////////////////////

[agoudjil@host1 agoudjil]$ pvm
pvm> add host2
add host2
0 successful
                    HOST     DTID
                   host2 Can't start pvmd

Auto-Diagnosing Failed Hosts...
host2...
Verifying Local Path to "ssh"...
Rsh found in /usr/bin/ssh - O.K.
Testing Rsh/Rhosts Access to Host "host2"...

Rsh/Rhosts Access FAILED - "host2: Connection refused"
Make sure host host2 is up and connected to
a network and check its DNS / IP address.
Also verify that host1 is allowed
rsh access on host2
Add this line to the $HOME/.rhosts on host2:
host1 agoudjil

pvm>