Index: VirtualBox-6.1.40/src/VBox/Additions/linux/installer/vboxadd.sh
===================================================================
--- VirtualBox-6.1.40.orig/src/VBox/Additions/linux/installer/vboxadd.sh
+++ VirtualBox-6.1.40/src/VBox/Additions/linux/installer/vboxadd.sh
@@ -26,11 +26,14 @@
 # Provides:       vboxadd
 # Required-Start:
 # Required-Stop:
-# Default-Start:  2 3 4 5
+# Should-Start:   $remote_fs
+# Should-Stop:    $remote_fs
+# Default-Start:  2 3 5
 # Default-Stop:   0 1 6
 # X-Start-Before: display-manager
 # X-Service-Type: oneshot
 # Description:    VirtualBox Linux Additions kernel modules
+# Short-Description: VirtualBox Linux Additions kernel modules
 ### END INIT INFO
 
 ## @todo This file duplicates a lot of script with vboxdrv.sh.  When making
@@ -121,20 +124,11 @@ module_build_log()
 
 dev=/dev/vboxguest
 userdev=/dev/vboxuser
-config=/var/lib/VBoxGuestAdditions/config
 owner=vboxadd
 group=1
 
-if test -r $config; then
-  . $config
-else
-  fail "Configuration file $config not found"
-fi
-test -n "$INSTALL_DIR" -a -n "$INSTALL_VER" ||
-  fail "Configuration file $config not complete"
 MODULE_SRC="$INSTALL_DIR/src/vboxguest-$INSTALL_VER"
 BUILDINTMP="$MODULE_SRC/build_in_tmp"
-
 # Attempt to detect VirtualBox Guest Additions version and revision information.
 VBOXCLIENT="${INSTALL_DIR}/bin/VBoxClient"
 VBOX_VERSION="`"$VBOXCLIENT" --version | cut -d r -f1`"
@@ -184,12 +178,6 @@ do_vboxguest_non_udev()
             fail "Cannot create device $dev with major $maj and minor $min"
         }
     fi
-    chown $owner:$group $dev 2>/dev/null || {
-        rm -f $dev 2>/dev/null
-        rm -f $userdev 2>/dev/null
-        rmmod vboxguest 2>/dev/null
-        fail "Cannot change owner $owner:$group for device $dev"
-    }
 
     if [ ! -c $userdev ]; then
         maj=10
@@ -200,12 +188,6 @@ do_vboxguest_non_udev()
                 rmmod vboxguest 2>/dev/null
                 fail "Cannot create device $userdev with major $maj and minor $min"
             }
-            chown $owner:$group $userdev 2>/dev/null || {
-                rm -f $dev 2>/dev/null
-                rm -f $userdev 2>/dev/null
-                rmmod vboxguest 2>/dev/null
-                fail "Cannot change owner $owner:$group for device $userdev"
-            }
         fi
     fi
 }
@@ -267,7 +249,7 @@ cleanup_modules()
         done
         if test -z "${keep}"; then
             rm -rf /lib/modules/"${KERN_VER}"
-            rm -f /boot/initrd.img-"${KERN_VER}"
+        rm -f /boot/initrd.img-"${KERN_VER}"
         fi
     done
     for i in ${OLDMODULES}; do
@@ -528,9 +510,9 @@ create_udev_rule()
         udevcontrol reload_rules >/dev/null 2>&1 || true
     fi
 }
-
-create_module_rebuild_script()
-{
+    # And an rc file to re-build the kernel modules and re-set-up the X server.
+    ln -sf "$lib_path/$PACKAGE/vboxadd" /sbin/rcvboxadd
+    #ln -sf "$lib_path/$PACKAGE/vboxadd-x11" /sbin/rcvboxadd-x11
     # And a post-installation script for rebuilding modules when a new kernel
     # is installed.
     mkdir -p /etc/kernel/postinst.d /etc/kernel/prerm.d
@@ -736,17 +718,14 @@ Please install them and execute
     # Put the X.Org driver in place.  This is harmless if it is not needed.
     # Also set up the OpenGL library.
     myerr=`"${INSTALL_DIR}/init/vboxadd-x11" setup 2>&1`
-    test -z "${myerr}" || log "${myerr}"
-
-    return 0
+    succ_msg
 }
 
 # cleanup_script
 cleanup()
 {
-    if test -z "${INSTALL_NO_MODULE_BUILDS}"; then
-        # Delete old versions of VBox modules.
-        cleanup_modules
+    # Delete old versions of VBox modules.
+    cleanup_modules
         depmod
 
         # Remove old module sources
@@ -756,12 +735,13 @@ cleanup()
     fi
 
     # Clean-up X11-related bits
-    "${INSTALL_DIR}/init/vboxadd-x11" cleanup
+    #/sbin/rcvboxadd-x11 cleanup
 
     # Remove other files
-    if test -z "${INSTALL_NO_MODULE_BUILDS}"; then
-        rm -f /etc/kernel/postinst.d/vboxadd /etc/kernel/prerm.d/vboxadd
-        rmdir -p /etc/kernel/postinst.d /etc/kernel/prerm.d 2>/dev/null || true
+    rm /sbin/rcvboxadd 2>/dev/null
+    #rm /sbin/rcvboxadd-x11 2>/dev/null
+    rm -f /etc/kernel/postinst.d/vboxadd /etc/kernel/prerm.d/vboxadd
+    rmdir -p /etc/kernel/postinst.d /etc/kernel/prerm.d 2>/dev/null || true
     fi
     rm -f /sbin/mount.vboxsf 2>/dev/null
     rm -f /etc/udev/rules.d/60-vboxadd.rules 2>/dev/null
@@ -807,7 +787,7 @@ for your Linux distribution."
             rm -f $userdev || {
                 fail "Cannot remove $userdev"
             }
-            $MODPROBE vboxguest >/dev/null 2>&1 ||
+            $MODPROBE vboxguest >/dev/null 2>&1 || {
                 fail "modprobe vboxguest failed"
             case "$no_udev" in 1)
                 sleep .5;;
Index: VirtualBox-6.1.40/src/VBox/Additions/linux/installer/vboxadd-service.sh
===================================================================
--- VirtualBox-6.1.40.orig/src/VBox/Additions/linux/installer/vboxadd-service.sh
+++ VirtualBox-6.1.40/src/VBox/Additions/linux/installer/vboxadd-service.sh
@@ -26,7 +26,7 @@
 # Provides:       vboxadd-service
 # Required-Start: vboxadd
 # Required-Stop:  vboxadd
-# Default-Start:  2 3 4 5
+# Default-Start:  2 3 5
 # Default-Stop:   0 1 6
 # X-Conflicts-With: systemd-timesyncd.service
 # Description:    VirtualBox Additions Service
Index: VirtualBox-6.1.40/src/VBox/Installer/linux/vboxautostart-service.sh
===================================================================
--- VirtualBox-6.1.40.orig/src/VBox/Installer/linux/vboxautostart-service.sh
+++ VirtualBox-6.1.40/src/VBox/Installer/linux/vboxautostart-service.sh
@@ -23,7 +23,7 @@
 # Provides:       vboxautostart-service
 # Required-Start: vboxdrv
 # Required-Stop:  vboxdrv
-# Default-Start:  2 3 4 5
+# Default-Start:  2 3 5
 # Default-Stop:   0 1 6
 # Description:    VirtualBox autostart service
 ### END INIT INFO
Index: VirtualBox-6.1.40/src/VBox/Installer/linux/vboxballoonctrl-service.sh
===================================================================
--- VirtualBox-6.1.40.orig/src/VBox/Installer/linux/vboxballoonctrl-service.sh
+++ VirtualBox-6.1.40/src/VBox/Installer/linux/vboxballoonctrl-service.sh
@@ -23,7 +23,7 @@
 # Provides:       vboxballoonctrl-service
 # Required-Start: vboxdrv
 # Required-Stop:  vboxdrv
-# Default-Start:  2 3 4 5
+# Default-Start:  2 3 5
 # Default-Stop:   0 1 6
 # Description:    VirtualBox watchdog daemon
 ### END INIT INFO
Index: VirtualBox-6.1.40/src/VBox/ValidationKit/testboxscript/linux/testboxscript-service.sh
===================================================================
--- VirtualBox-6.1.40.orig/src/VBox/ValidationKit/testboxscript/linux/testboxscript-service.sh
+++ VirtualBox-6.1.40/src/VBox/ValidationKit/testboxscript/linux/testboxscript-service.sh
@@ -31,7 +31,7 @@
 # Provides:       testboxscript-service
 # Required-Start: $network
 # Required-Stop:
-# Default-Start:  2 3 4 5
+# Default-Start:  2 3 5
 # Default-Stop:   0 1 6
 # Description:    TestBoxScript service
 ### END INIT INFO
Index: VirtualBox-6.1.40/src/VBox/ValidationKit/utils/TestExecServ/linux/vboxtxs-nat.sh
===================================================================
--- VirtualBox-6.1.40.orig/src/VBox/ValidationKit/utils/TestExecServ/linux/vboxtxs-nat.sh
+++ VirtualBox-6.1.40/src/VBox/ValidationKit/utils/TestExecServ/linux/vboxtxs-nat.sh
@@ -31,7 +31,7 @@
 # Provides:       vboxtxs
 # Required-Start: $network
 # Required-Stop:
-# Default-Start:  2 3 4 5
+# Default-Start:  2 3 5
 # Default-Stop:   0 1 6
 # Description:    VirtualBox Test Execution Service
 ### END INIT INFO
Index: VirtualBox-6.1.40/src/VBox/ValidationKit/utils/TestExecServ/linux/vboxtxs.sh
===================================================================
--- VirtualBox-6.1.40.orig/src/VBox/ValidationKit/utils/TestExecServ/linux/vboxtxs.sh
+++ VirtualBox-6.1.40/src/VBox/ValidationKit/utils/TestExecServ/linux/vboxtxs.sh
@@ -31,7 +31,7 @@
 # Provides:       vboxtxs
 # Required-Start: $network
 # Required-Stop:
-# Default-Start:  2 3 4 5
+# Default-Start:  2 3 5
 # Default-Stop:   0 1 6
 # Description:    VirtualBox Test Execution Service
 ### END INIT INFO