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发信人: Hanky@FruitTea1 (骗谁啊？), 信区: Linux
标  题: SysV init 2.6 的开机过程 (二) 附件一
发信站: 果茶小站 (Wed May 29 21:39:12 1996)

PATH="/sbin:/bin:/usr/sbin:/usr/bin"
umask 022

echo
echo "Running /etc/init.d/boot..."
echo

# enable kerneld
if [ -x /sbin/kerneld ]; then
  /sbin/kerneld
fi

# 把 md 跑起来
if [ -s /etc/mdtab -a -f /sbin/mdadd ]
then
  mdadd -ar
fi

echo "Activating swap..."
swapon -a 2>/dev/null

# Ensure that bdflush (update) is running before any major I/O is
# performed (the following is a good example of such activity :).
update &

# Check the integrity of all file systems (if not a fastboot).
if [ ! -f /fastboot ]
then
  # Ensure that root is quiescent and read-only before fsck'ing.
  mount -n -o remount,ro /
  if [ $? = 0 ]
  then
    echo "Checking file systems..."
    fsck -A -a
    # If there was a failure, drop into single-user mode.
    #
    # NOTE: "failure" is defined as exiting with a return code of
    # 2 or larger.  A return code of 1 indicates that file system
    # errors were corrected but that the boot may proceed.
    if [ $? -gt 1 ]
    then
      # Surprise! Re-directing from a HERE document (as in
      # "cat << EOF") won't work, because the root is read-only.
      echo
      echo "fsck failed.  Please repair manually and reboot.  Please note"
      echo "that the root file system is currently mounted read-only.  To"
      echo "remount it read-write:"
      echo
      echo "   bash# mount -n -o remount,rw /"
      echo
      echo "CONTROL-D will reboot the system."
      echo
      # Start a single user shell on the console
      /sbin/sulogin /dev/console
      sync
      reboot
    fi
    echo
  else
    echo "*** ERROR!  Cannot fsck because root is not read-only!"
    echo
  fi
else
  echo "*** Fast boot ... skipping disk checks"
  echo
fi

# Remount the root file system in read-write mode.
mount -n -o remount,rw /

# Load the appropriate modules.
if [ -x /etc/init.d/modules ]
then
  /etc/init.d/modules
fi

# Remove /etc/mtab*, /etc/rmtab, /etc/nologin and /fastboot.
rm -f /etc/mtab* /etc/nologin /fastboot /etc/rmtab

# update /etc/psdatabase
psupdate 2> /dev/null
# or
#ps -U 2> /dev/null

# Mount local file systems in /etc/fstab.
echo "Mounting local file systems..."
mount -avt nonfs

# Execute swapon command again, in case we want to swap to
# a file on a now mounted filesystem.
swapon -a 2>/dev/null

# Setup the network interfaces. Note that /var/run and /var/lock
# are cleaned up after this, so don't put anything in the "network"
# script that leave a pidfile or a lockfile.
if [ -x /etc/init.d/network ]
then
  /etc/init.d/network
fi

# Set hostname.
# If there's no /etc/HOSTNAME, fall back on this default:
if [ ! -r /etc/HOSTNAME ]; then
   echo "Henry.Dorm10.NCTU.edu.tw" > /etc/HOSTNAME
fi
cat /etc/HOSTNAME | cut -f1 -d . > /etc/hostname
hostname --file /etc/hostname

# Now that TCP/IP is configured, mount the NFS file systems in /etc/fstab.
echo "Mounting remote file systems..."
mount -a -t nfs

# Update all the shared library links automatically
echo "Update /etc/ld.so.cache and all the shared library links."
/sbin/ldconfig

# Set GMT="-u" if your system clock is set to GMT, and GMT=""
# if not.
GMT=""
# Set and adjust the CMOS clock.
clock -s $GMT
if [ ! -f /etc/adjtime ]
then
  echo "0.0 0 0.0" > /etc/adjtime
fi
clock -a $GMT

# Now that /usr/lib/zoneinfo should be available, announce the local time.
echo
echo "Local time: `date`"
echo

# Wipe /tmp (and don't erase `lost+found', `quota.user' or `quota.group')!
# Note that files _in_ lost+found _are_ deleted.
echo -n "Cleaning up /tmp, /var/run and /var/lock... "
( cd /tmp && \
  find . \
  ! -name .\
  ! $ -name lost+found -uid 0 $ \
  ! $ -name quota.user -uid 0 $ \
  ! $ -name quota.group -uid 0 $ \
    -depth -exec rm -rf -- {} \; )
# Clean up any stale locks.
( cd /var/lock && find . -type f -exec rm -f -- {} \; )
# Clean up /var/run and create /var/run/utmp so that we can login.
( cd /var/run && find . ! -type d -exec rm -f -- {} \; )
∶ > /var/run/utmp
echo "done."

# Run the package-specific boot scripts in /etc/rc.boot.
run-parts /etc/rc.boot
# Set pseudo-terminal access permissions.
chmod 666 /dev/tty[pqrstuvwxyzabcde]*
chown root.tty /dev/tty[pqrstuvwxyzabcde]*

# Setup the /etc/issue.net to reflect the current kernel level:
cat /etc/issue > /etc/issue.net
uname -a >> /etc/issue.net
echo >> /etc/issue.net

touch /etc/motd

# and startup powerd
echo "Start up the genpowerd" ; /sbin/genpowerd /dev/UPS henry