diff --git a/swarmlab/run b/swarmlab/run
index ec7fffa..32465ea 100644
--- a/swarmlab/run
+++ b/swarmlab/run
@@ -1,10 +1,9 @@
 #!/bin/bash
 
-mpicc -o /project/mpi_hello_world ../examples/mpi_hello_world.c
+sudo -u mpi mpicc -o /project/mpi_hello_world ../examples/mpi_hello_world.c
 sudo -u mpi scp /project/mpi_hello_world mpi@10.0.8.10:/project/mpi_hello_world
 sudo -u mpi scp /project/mpi_hello_world mpi@10.0.8.11:/project/mpi_hello_world
 cd /project
-#sudo -u mpi mpirun -n 10 -f /project/hosts  /project/mpi_hello_world  2>&1 | tee /project/output.log
-sudo -u mpi mpirun -n 10 -f /project/hosts  /project/mpi_hello_world
-#cat /project/output.log
+sudo -u mpi mpirun -n 10 -f /project/hosts  /project/mpi_hello_world  2>&1 | tee /tmp/output.log
+cat /tmp/output.log