Index: trunk/Ohana/src/opihi/lib.shell/SocketOps.c
===================================================================
--- trunk/Ohana/src/opihi/lib.shell/SocketOps.c	(revision 32632)
+++ trunk/Ohana/src/opihi/lib.shell/SocketOps.c	(revision 38986)
@@ -23,5 +23,9 @@
   status = gethostname (myHostname, HOST_NAME_MAX);
 
-  fprintf (stderr, "target host: %s, real host: %s\n", hostname, myHostname);
+  if (strcmp (hostname, myHostname)) {
+    fprintf (stderr, "target host: %s, real host: %s\n", hostname, myHostname);
+    fprintf (stderr, "please run on the correct host\n");
+    exit (2);
+  }
 
   GetPortRange (&start, &stop, portinfo);
@@ -197,4 +201,9 @@
 
   host = gethostbyname (hostname);
+  if (!host) {
+    gprint (GP_ERR, "cannot connect to pantasks server %s\n", hostname);
+    exit (3);
+  }
+
   bzero (hostip, 80);
   for (i = 0; i < host[0].h_length; i++) {