diff --git a/gpu_cluster_environment_script.sh b/gpu_cluster_environment_script.sh
index e7c1c08..d20d13d 100644
--- a/gpu_cluster_environment_script.sh
+++ b/gpu_cluster_environment_script.sh
@@ -4,7 +4,7 @@ export CUDA_HOME=/opt/cuda-8.0.44
 
 export CUDNN_HOME=/opt/cuDNN-6.0_8.0
 
-export STUDENT_ID=sxxxxxx
+export STUDENT_ID=$(whoami)
 
 export LD_LIBRARY_PATH=${CUDNN_HOME}/lib64:${CUDA_HOME}/lib64:$LD_LIBRARY_PATH
 
diff --git a/gpu_cluster_tutorial_training_script.sh b/gpu_cluster_tutorial_training_script.sh
index 0eb872e..8f6c963 100644
--- a/gpu_cluster_tutorial_training_script.sh
+++ b/gpu_cluster_tutorial_training_script.sh
@@ -10,7 +10,7 @@ export CUDA_HOME=/opt/cuda-8.0.44
 
 export CUDNN_HOME=/opt/cuDNN-6.0_8.0
 
-export STUDENT_ID=sxxxxxx
+export STUDENT_ID=$(whoami)
 
 export LD_LIBRARY_PATH=${CUDNN_HOME}/lib64:${CUDA_HOME}/lib64:$LD_LIBRARY_PATH
 
diff --git a/notes/gpu-cluster-quick-start.md b/notes/gpu-cluster-quick-start.md
index 5ce7d68..5a4fb47 100644
--- a/notes/gpu-cluster-quick-start.md
+++ b/notes/gpu-cluster-quick-start.md
@@ -93,7 +93,7 @@ export CUDA_HOME=/opt/cuda-8.0.44
 
 export CUDNN_HOME=/opt/cuDNN-6.0_8.0
 
-export STUDENT_ID=sxxxxxx
+export STUDENT_ID=$(whoami)
 
 export LD_LIBRARY_PATH=${CUDNN_HOME}/lib64:${CUDA_HOME}/lib64:$LD_LIBRARY_PATH