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Editing File: /etc/init.d/umountroot

#! /bin/sh
### BEGIN INIT INFO
# Provides:          umountroot
# Required-Start:
# Required-Stop:
# Should-Stop:       halt reboot kexec
# Default-Start:
# Default-Stop:      0 6
# Short-Description: Mount the root and /usr filesystems read-only.
### END INIT INFO

PATH=/sbin:/bin
. /lib/init/vars.sh

. /lib/lsb/init-functions

remount_ro () {
	[ "$VERBOSE" = no ] || log_action_begin_msg "Mounting $1 filesystem read-only"
	MOUNT_FORCE_OPT=
	[ "$(uname -s)" = "GNU/kFreeBSD" ] && MOUNT_FORCE_OPT=-f
	# This:
	#     mount -n -o remount,ro /
	# will act on a bind mount of / if there is one.
	# See #339023 and the comment in checkroot.sh
	mount    $MOUNT_FORCE_OPT -n -o remount,ro -t dummytype dummydev $2 2>/dev/null \
	|| mount $MOUNT_FORCE_OPT -n -o remount,ro              dummydev $2 2>/dev/null \
	|| mount $MOUNT_FORCE_OPT -n -o remount,ro                       $2
	ES=$?
	[ "$VERBOSE" = no ] || log_action_end_msg $ES
}

do_stop () {
	remount_ro root /
	if mountpoint -q /usr; then
		remount_ro /usr /usr
	fi
}

case "$1" in
  start|status)
	# No-op
	;;
  restart|reload|force-reload)
	echo "Error: argument '$1' not supported" >&2
	exit 3
	;;
  stop)
	do_stop
	;;
  *)
	echo "Usage: $0 start|stop" >&2
	exit 3
	;;
esac

:

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