diff --git a/xCAT-server/share/xcat/netboot/fedora/dracut_009/xcatroot b/xCAT-server/share/xcat/netboot/fedora/dracut_009/xcatroot
index 5bed21474..7811cf0fb 100755
--- a/xCAT-server/share/xcat/netboot/fedora/dracut_009/xcatroot
+++ b/xCAT-server/share/xcat/netboot/fedora/dracut_009/xcatroot
@@ -52,12 +52,11 @@ if [ -r /rootimg.sfs ]; then
   mkdir -p /rw
   mount -t squashfs /rootimg.sfs /ro
   mount -t tmpfs rw /rw
-  modinfo overlay
+  modprobe overlay
   if [ $? -eq 0 ]; then
       echo "Mounting $NEWROOT with type overlay"
       mkdir -p /rw/upper
       mkdir -p /rw/work
-      modprobe overlay
       mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
   else
       echo "Mounting $NEWROOT with type aufs"
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
index c3c469902..423ab6d36 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut/xcatroot
@@ -62,12 +62,11 @@ if [ -r /rootimg.sfs ]; then
   mkdir -p /rw
   mount -t squashfs /rootimg.sfs /ro
   mount -t tmpfs rw /rw
-  modinfo overlay
+  modprobe overlay
   if [ $? -eq 0 ]; then
       echo "Mounting $NEWROOT with type overlay"
       mkdir -p /rw/upper
       mkdir -p /rw/work
-      modprobe overlay
       mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
   else
       echo "Mounting $NEWROOT with type aufs"
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
index dc8910aa0..b52b49035 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
@@ -69,12 +69,11 @@ if [ -r /rootimg.sfs ]; then
     mkdir -p /rw
     mount -t squashfs /rootimg.sfs /ro
     mount -t tmpfs rw /rw
-    modinfo overlay
+    modprobe overlay
     if [ $? -eq 0 ]; then
         echo "Mounting $NEWROOT with type overlay"
         mkdir -p /rw/upper
         mkdir -p /rw/work
-        modprobe overlay
         mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
     else
         echo "Mounting $NEWROOT with type aufs"
diff --git a/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot
index 0aeaa51d4..b851865b5 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut_047/xcatroot
@@ -69,12 +69,11 @@ if [ -r /rootimg.sfs ]; then
     mkdir -p /rw
     mount -t squashfs /rootimg.sfs /ro
     mount -t tmpfs rw /rw
-    modinfo overlay
+    modprobe overlay
     if [ $? -eq 0 ]; then
         echo "Mounting $NEWROOT with type overlay"
         mkdir -p /rw/upper
         mkdir -p /rw/work
-        modprobe overlay
         mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
     else
         echo "Mounting $NEWROOT with type aufs"
diff --git a/xCAT-server/share/xcat/netboot/sles/dracut_033/xcatroot b/xCAT-server/share/xcat/netboot/sles/dracut_033/xcatroot
index bc244e073..c05a3e793 100755
--- a/xCAT-server/share/xcat/netboot/sles/dracut_033/xcatroot
+++ b/xCAT-server/share/xcat/netboot/sles/dracut_033/xcatroot
@@ -65,12 +65,11 @@ if [ -r /rootimg.sfs ]; then
   mkdir -p /rw
   mount -t squashfs /rootimg.sfs /ro
   mount -t tmpfs rw /rw
-  modinfo overlay
+  modprobe overlay
   if [ $? -eq 0 ]; then
       echo "Mounting $NEWROOT with type overlay"
       mkdir -p /rw/upper
       mkdir -p /rw/work
-      modprobe overlay
       mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
   else
       echo "Mounting $NEWROOT with type aufs"
diff --git a/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot b/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot
index 4a3f0745a..46575db55 100755
--- a/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot
+++ b/xCAT-server/share/xcat/netboot/ubuntu/dracut/xcatroot
@@ -34,12 +34,11 @@ if [ -r /rootimg.sfs ]; then
   mkdir -p /rw
   mount -t squashfs /rootimg.sfs /ro
   mount -t tmpfs rw /rw
-  modinfo overlay
+  modprobe overlay
   if [ $? -eq 0 ]; then
       echo "Mounting $NEWROOT with type overlay"
       mkdir -p /rw/upper
       mkdir -p /rw/work
-      modprobe overlay
       mount -t overlay -o lowerdir=/ro,upperdir=/rw/upper,workdir=/rw/work mergedroot $NEWROOT
   else
       echo "Mounting $NEWROOT with type aufs"