diff --git a/examples/run b/examples/run
index d9d9873..a53cd5f 100644
--- a/examples/run
+++ b/examples/run
@@ -1,17 +1,20 @@
 #!/bin/bash
 
 # compile
-mpicc -o /ubuntu/mpi_hello_world i./mpi_hello_world.c
+DIRhosts=/home/ubuntu/mpitmp/hosts
+DIR=/home/ubuntu/mpitmp
+
+mkdir -p $DIR
+mpicc -o $DIR/mpi_hello_world ./mpi_hello_world.c
 
 # scp hello wrold to all clients. sudo -u mpi for auto scp connect. see /home/mpi/.ssh 
+swarmlab-getworkers > $DIRhosts
 while read -r line; 
  do 
-    scp /ubuntu/mpi_hello_world ubuntu@$line:/ubuntu/mpi_hello_world
-done < /ubuntu/hosts
+    scp $DIR/mpi_hello_world ubuntu@$line:$DIR/mpi_hello_world
+done < $DIRhosts
 
-# cd to work dir
-cd /ubuntu
 
 # run it! 
- mpirun -n 10 -f /ubuntu/hosts  /ubuntu/mpi_hello_world  2>&1 | tee /tmp/output.log
+ mpirun -n 10 -f $DIRhosts  $DIR/mpi_hello_world  2>&1 | tee /tmp/output.log
 
diff --git a/examples/runbefore b/examples/runbefore
index defd5ad..946d5dd 100644
--- a/examples/runbefore
+++ b/examples/runbefore
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-get_hosts > /ubuntu/hosts
+#swarmlab-getworkers > /home/ubuntu/hosts