MTD 248-645A Manual de usuario descargar pdf (Pagina 301)

Linux From Scratch - Version 7.0

281

D.7. /etc/rc.d/init.d/udev

#!/bin/sh

########################################################################

# Begin udev

# Description : Udev cold-plugging script

# Authors : Zack Winkles, Alexander E. Patrakov

# DJ Lucas - [email protected]

# Update : Bruce Dubbs - [email protected]

# Version : LFS 7.0

########################################################################

### BEGIN INIT INFO

# Provides: udev

# Required-Start:

# Should-Start: modules

# Required-Stop:

# Should-Stop:

# Default-Start: S

# Default-Stop:

# Short-Description: Populates /dev with device nodes.

# Description: Mounts a tempfs on /dev and starts the udevd daemon.

# Device nodes are created as defined by udev.

# X-LFS-Provided-By: LFS

### END INIT INFO

. /lib/lsb/init-functions

case "${1}" in

start)

log_info_msg "Populating /dev with device nodes... "

if ! grep -q '[[:space:]]sysfs' /proc/mounts; then

log_failure_msg2

msg="FAILURE:\n\nUnable to create "

msg="${msg}devices without a SysFS filesystem\n\n"

msg="${msg}After you press Enter, this system "

msg="${msg}will be halted and powered off.\n\n"

log_info_msg "$msg"

log_info_msg "Press Enter to continue..."

wait_for_user

/etc/rc.d/init.d/halt stop

# Mount a temporary file system over /dev, so that any devices

# made or removed during this boot don't affect the next one.

# The reason we don't write to mtab is because we don't ever

# want /dev to be unavailable (such as by `umount -a').

if ! mountpoint /dev > /dev/null; then

mount -n -t tmpfs tmpfs /dev -o mode=755

if [ ${?} != 0 ]; then

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