关于根文件系统里的fstab文件

microcreat

我现在是s3c6410的板子，找到三星的一个根文件系统，我写驱动程序，采用ismod的时候,发现没有在dev目录下建立节点，但是在sys.bus.misc都找到那个设备，但是为什么dev下面没有了！
结果我以前的根文件系统对比下，发现etc下面没有fstab文件
但是板子启动后，etc目录下面是有的
看了下脚本
发现在/mnt/etc/下面有个rc.sysinit这个文件
#!/bin/bash
#
# /etc/rc.d/rc.sysinit - run once at boot time
#
# Taken in part from Miquel van Smoorenburg's bcheckrc.
#

#HOSTNAME=`/bin/hostname`
HOSTNAME=Samsung
HOSTTYPE=`uname -m`
unamer=`uname -r`

if [ -f /etc/sysconfig/network ]; then
    . /etc/sysconfig/network
else
    NETWORKING=yes
    echo "NETWORKING=yes" > /etc/sysconfig/network
fi
if [ -z "$HOSTNAME" -o "$HOSTNAME" = "(none)" ]; then
    HOSTNAME=localhost
fi

# Mount /proc and /sys (done here so volume labels can work with fsck)
mount -n -t proc /proc /proc
if [ ! -d /proc/bus/usb ]; then
        modprobe usbcore >/dev/null 2>&1 && mount -n -t usbfs /proc/bus/usb /proc/bus/usb
else
        mount -n -t usbfs /proc/bus/usb /proc/bus/usb
fi
mount -n -t sysfs /sys /sys >/dev/null 2>&1

. /etc/init.d/functions

# Check SELinux status
selinuxfs=`LC_ALL=C awk '/ selinuxfs / { print $2 }' /proc/mounts`
SELINUX=
if [ -n "$selinuxfs" ] && [ "`cat /proc/self/attr/current`" != "kernel" ]; then
        if [ -r $selinuxfs/enforce ] ; then
                SELINUX=`cat $selinuxfs/enforce`
        else
                # assume enforcing if you can't read it
                SELINUX=1
        fi
fi

if [ -n "$SELINUX" -a -x /sbin/restorecon ] && LC_ALL=C fgrep -q " /dev " /proc/mounts ; then
        /sbin/restorecon  -R /dev 2>/dev/null
fi

disable_selinux() {
        echo "*** Warning -- SELinux is active"
        echo "*** Disabling security enforcement for system recovery."
        echo "*** Run 'setenforce 1' to reenable."
        echo "0" > $selinuxfs/enforce
}

relabel_selinux() {
    if [ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --ping ; then
        chvt 1
    fi
    echo "
         *** Warning -- SELinux relabel is required. ***
         *** Disabling security enforcement.         ***
         *** Relabeling could take a very long time, ***
         *** depending on file system size.          ***
         "
    echo "0" > $selinuxfs/enforce
    /sbin/fixfiles -f -F relabel > /dev/null 2>&1
    rm -f  /.autorelabel
    echo "*** Enabling security enforcement.         ***"
    echo $SELINUX > $selinuxfs/enforce
    if [ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --ping ; then
        chvt 8
    fi
}



#if [ "$HOSTTYPE" != "s390" -a "$HOSTTYPE" != "s390x" ]; then
#  last=0
#  for i in `LC_ALL=C grep '^[0-9].*respawn:/sbin/mingetty' /etc/inittab | sed 's/^.* tty\([0-9][0-9]*\).*/\1/g'`; do
#        > /dev/tty$i
#        last=$i
#  done
#  if [ $last -gt 0 ]; then
#       > /dev/tty$((last+1))
#       > /dev/tty$((last+2))
#  fi
#fi

if [ "$CONSOLETYPE" = "vt" -a -x /sbin/setsysfont ]; then
   echo -n "Setting default font ($SYSFONT): "
   /sbin/setsysfont
   if [ $? -eq 0 ]; then
      success
   else
      failure
   fi
   echo ; echo
fi

# Print a text banner.
echo -en $"\t\tWelcome to "
[ "$BOOTUP" = "color" ] && echo -en $"\\033[01;33m"
echo -en $"Samsung SMDK"
[ "$BOOTUP" = "color" ] && echo -en $"\\033[0;39m"
echo $" System"
if [ "$PROMPT" != "no" ]; then
echo -en $"\t\tPress 'I' to enter interactive startup."
echo
fi

# Rebuild the cache
#action $"Building the cache" /sbin/ldconfig -X

# Fix console loglevel
if [ -n "$LOGLEVEL" ]; then
        /bin/dmesg -n $LOGLEVEL
fi

[ -x /sbin/start_udev ] && /sbin/start_udev

# Only read this once.
cmdline=$(cat /proc/cmdline)

# Initialize hardware
if [ -f /proc/sys/kernel/modprobe ]; then
   if ! strstr "$cmdline" nomodules && [ -f /proc/modules ] ; then
       sysctl -w kernel.modprobe="/sbin/modprobe" >/dev/null 2>&1
       sysctl -w kernel.hotplug="/sbin/udevsend" >/dev/null 2>&1
   else
       # We used to set this to NULL, but that causes 'failed to exec' messages"
       sysctl -w kernel.modprobe="/bin/true" >/dev/null 2>&1
       sysctl -w kernel.hotplug="/bin/true" >/dev/null 2>&1
   fi
fi

#echo -n $"Initializing hardware... "
#
#ide=""
#scsi=""
#network=""
#audio=""
#other=""
#eval `kmodule -d | while read devtype mod ; do
#        case "$devtype" in
#                "IDE")        ide="$ide $mod"
#                   echo "ide=\"$ide"\";;
#                "SCSI") scsi="$scsi $mod"
#                   echo "scsi=\"$scsi"\";;
#                "NETWORK") network="$network $mod"
#                   echo "network=\"$network"\";;
#                "AUDIO") audio="$audio $mod"
#                   echo "audio=\"$audio"\";;
#                *) other="$other $mod"
#                   echo "other=\"$other"\";;
#        esac
#done`

load_module () {
        LC_ALL=C fgrep -xq "$1" /etc/hotplug/blacklist 2>/dev/null || modprobe $1 >/dev/null 2>&1
}

# IDE
for module in $ide ; do
        load_module $module
done

# SCSI
for module in `/sbin/modprobe -c | LC_ALL=C awk '/^alias[[:space:]]+scsi_hostadapter[0-9]*[[:space:]]/ { print $3 }'` $scsi; do
        load_module $module
done
load_module floppy

echo -n $" storage"

# Network
pushd /etc/sysconfig/network-scripts >/dev/null 2>&1
interfaces=`ls ifcfg* | LC_ALL=C egrep -v '(ifcfg-lo|:|rpmsave|rpmorig|rpmnew)' | \
            LC_ALL=C egrep -v '(~|\.bak)$' | \
            LC_ALL=C egrep 'ifcfg-[A-Za-z0-9\._-]+$' | \
            sed 's/^ifcfg-//g' |
            sed 's/[0-9]/ &/' | LC_ALL=C sort -k 1,1 -k 2n | sed 's/ //'`

for i in $interfaces ; do
        eval $(LC_ALL=C fgrep "DEVICE=" ifcfg-$i)
        load_module $DEVICE
done
popd >/dev/null 2>&1

for module in $network ; do
        load_module $module
done

echo -n $" network"

# Sound
for module in `/sbin/modprobe -c | LC_ALL=C awk '/^alias[[:space:]]+snd-card-[[:digit:]]+[[:space:]]/ { print $3 }'` $audio; do
        load_module $module
done

echo -n $" audio"

# Everything else (duck and cover)
for module in $other ; do
        load_module $module
done

echo -n $" done"
success
echo

# Load other user-defined modules
for file in /etc/sysconfig/modules/*.modules ; do
  [ -x $file ] && $file
done

# Load modules (for backward compatibility with VARs)
if [ -f /etc/rc.modules ]; then
        /etc/rc.modules
fi

# Start the graphical boot, if necessary; /usr may not be mounted yet, so we
# may have to do this again after mounting
RHGB_STARTED=0
#mount -n /dev/pts

if strstr "$cmdline" rhgb && ! strstr "$cmdline" early-login && [ "$BOOTUP" = "color" -a "$GRAPHICAL" = "yes" -a -x /usr/bin/rhgb ]; then
   LC_MESSAGES= /usr/bin/rhgb
   RHGB_STARTED=1
fi

# Configure kernel parameters
update_boot_stage RCkernelparam
sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1

# Set the system clock.
update_boot_stage RCclock
ARC=0
SRM=0
UTC=0

if [ -f /etc/sysconfig/clock ]; then
   . /etc/sysconfig/clock

   # convert old style clock config to new values
   if [ "${CLOCKMODE}" = "GMT" ]; then
      UTC=true
   elif [ "${CLOCKMODE}" = "ARC" ]; then
      ARC=true
   fi
fi

CLOCKDEF=""
CLOCKFLAGS="$CLOCKFLAGS --hctosys"

case "$UTC" in
    yes|true)        CLOCKFLAGS="$CLOCKFLAGS --utc"
                CLOCKDEF="$CLOCKDEF (utc)" ;;
    no|false)        CLOCKFLAGS="$CLOCKFLAGS --localtime"
                CLOCKDEF="$CLOCKDEF (localtime)" ;;
esac
case "$ARC" in
    yes|true)        CLOCKFLAGS="$CLOCKFLAGS --arc"
                CLOCKDEF="$CLOCKDEF (arc)" ;;
esac
case "$SRM" in
    yes|true)        CLOCKFLAGS="$CLOCKFLAGS --srm"
                CLOCKDEF="$CLOCKDEF (srm)" ;;
esac

#/sbin/hwclock $CLOCKFLAGS

action $"Setting clock $CLOCKDEF: `date`" /bin/true

if [ "$CONSOLETYPE" = "vt" -a -x /bin/loadkeys ]; then
KEYTABLE=
KEYMAP=
if [ -f /etc/sysconfig/console/default.kmap ]; then
  KEYMAP=/etc/sysconfig/console/default.kmap
else
  if [ -f /etc/sysconfig/keyboard ]; then
    . /etc/sysconfig/keyboard
  fi
  if [ -n "$KEYTABLE" -a -d "/lib/kbd/keymaps" ]; then
     KEYMAP="$KEYTABLE.map"
  fi
fi
if [ -n "$KEYMAP" ]; then
  if [ -n "$KEYTABLE" ]; then
    echo -n $"Loading default keymap ($KEYTABLE): "
  else
    echo -n $"Loading default keymap: "
  fi
  loadkeys -u $KEYMAP < /dev/tty0 > /dev/tty0 2>/dev/null && \
     success $"Loading default keymap" || failure $"Loading default keymap"
  echo
fi
fi

# Create /etc/fstab.
if [ ! -e /etc/fstab ]; then
  echo "/dev/nfs                /               nfs     defaults        0 0" > /etc/fstab
  echo "none                    /proc           proc    defaults        0 0" >> /etc/fstab
  echo "none                    /dev/pts        devpts  defaults        0 0" >> /etc/fstab
fi

# Set the hostname.
update_boot_stage RChostname
action $"Setting hostname ${HOSTNAME}: " hostname ${HOSTNAME}

# Initialiaze ACPI bits
if [ -d /proc/acpi ]; then
   for module in /lib/modules/$unamer/kernel/drivers/acpi/* ; do
      insmod $module >/dev/null 2>&1
   done
fi

# configure all zfcp (scsi over fibrechannel) devices before trying to mount them
# zfcpconf.sh exists only on mainframe
[ -x /sbin/zfcpconf.sh ] && /sbin/zfcpconf.sh

# RAID setup
#update_boot_stage RCraid
#echo "raidautorun /dev/md0" | nash --quiet
#if [ -f /etc/mdadm.conf ]; then
#    /sbin/mdadm -A -s
#fi

# LVM2 initialization
if [ -x /sbin/lvm.static ]; then
    if ! LC_ALL=C fgrep -q "device-mapper" /proc/devices 2>/dev/null ; then
        modprobe dm-mod >/dev/null 2>&1
    fi
    echo "mkdmnod" | /sbin/nash --quiet >/dev/null 2>&1
    [ -n "$SELINUX" ] && restorecon /dev/mapper/control >/dev/null 2>&1
    if [ -c /dev/mapper/control -a -x /sbin/lvm.static ]; then
        if /sbin/lvm.static vgscan --mknodes --ignorelockingfailure > /dev/null 2>&1 ; then
            action $"Setting up Logical Volume Management:" /sbin/lvm.static vgchange -a y --ignorelockingfailure
        fi
    fi
fi

if [ -f /fastboot ] || strstr "$cmdline" fastboot ; then
        fastboot=yes
fi

if [ -f /etc/sysconfig/readonly-root ]; then
    . /etc/sysconfig/readonly-root

    if [ "$READONLY" = "yes" ]; then
        # Call rc.readonly to set up magic stuff needed for readonly root
        . /etc/rc.readonly
    fi
fi

_RUN_QUOTACHECK=0
ROOTFSTYPE=`grep "/dev/root / " /proc/mounts | awk '{ print $3 }'`
if [ -z "$fastboot" -a "$ROOTFSTYPE" != "nfs" -a "$ROOTFSTYPE" != "cramfs" ]; then

        if [ -f /fsckoptions ]; then
                fsckoptions=`cat /fsckoptions`
        fi

        if [ -f /forcefsck ] || strstr "$cmdline" forcefsck ; then
                fsckoptions="-f $fsckoptions"
        elif [ -f /.autofsck ]; then
                echo $"Your system appears to have shut down uncleanly"
                AUTOFSCK_TIMEOUT=5
                AUTOFSCK_DEF_CHECK=no
                [ -f /etc/sysconfig/autofsck ] && . /etc/sysconfig/autofsck
                if [ "$AUTOFSCK_DEF_CHECK" = "yes" ]; then
                        AUTOFSCK_OPT="$AUTOFSCK_OPT -f"
                fi
                fsckoptions="$AUTOFSCK_OPT $fsckoptions"
        fi

        if [ "$BOOTUP" = "color" ]; then
                fsckoptions="-C $fsckoptions"
        else
                fsckoptions="-V $fsckoptions"
        fi

        STRING=$"Checking filesystems"
        echo $STRING
        if [ "${RHGB_STARTED}" != "0" -a -w /etc/rhgb/temp/rhgb-console ]; then
                fsck -T -A -a $fsckoptions > /etc/rhgb/temp/rhgb-console
        else
                fsck -T -A -a $fsckoptions
        fi
        rc=$?
       
        if [ "$rc" -eq "0" ]; then
                success "$STRING"
                echo
        elif [ "$rc" -eq "1" ]; then
                passed "$STRING"
                echo
        elif [ "$rc" -eq "2" -o "$rc" -eq "3" ]; then
                echo $"Unmounting file systems"
                umount -a
                mount -n -o remount,ro /
                echo $"Automatic reboot in progress."
                reboot -f
        fi
       
        # A return of 4 or higher means there were serious problems.
        if [ $rc -gt 1 ]; then
                if [ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --ping ; then
                    chvt 1
                fi

                failure "$STRING"
                echo
                echo
                echo $"*** An error occurred during the file system check."
                echo $"*** Dropping you to a shell; the system will reboot"
                echo $"*** when you leave the shell."

                str=$"(Repair filesystem)"
                PS1="$str \# # "; export PS1
                [ "$SELINUX" = "1" ] && disable_selinux
                sulogin

                echo $"Unmounting file systems"
                umount -a
                mount -n -o remount,ro /
                echo $"Automatic reboot in progress."
                reboot -f
        elif [ "$rc" -eq "1" ]; then
                _RUN_QUOTACHECK=1
        fi
        if [ -f /.autofsck -a -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --ping ; then
                chvt 8
            fi
fi
# Unmount the initrd, if necessary
if LC_ALL=C fgrep -q /initrd /proc/mounts && ! LC_ALL=C fgrep -q /initrd/loopfs /proc/mounts ; then
   umount /initrd
   /sbin/blockdev --flushbufs /dev/ram0 >/dev/null 2>&1
fi
                                                                                
# Update quotas if necessary
if [ X"$_RUN_QUOTACHECK" = X1 -a -x /sbin/quotacheck ]; then
        if [ -x /sbin/convertquota ]; then
            # try to convert old quotas
            for mountpt in `LC_ALL=C awk '$4 ~ /quota/{print $2}' /etc/mtab` ; do
                if [ -f "$mountpt/quota.user" ]; then
                    action $"Converting old user quota files: " \
                    /sbin/convertquota -u $mountpt && \
                        rm -f $mountpt/quota.user
                fi
                if [ -f "$mountpt/quota.group" ]; then
                    action $"Converting old group quota files: " \
                    /sbin/convertquota -g $mountpt && \
                        rm -f $mountpt/quota.group
                fi
            done
        fi
        action $"Checking local filesystem quotas: " /sbin/quotacheck -aRnug
fi

# Remount the root filesystem read-write.
update_boot_stage RCmountfs
#state=`LC_ALL=C awk '/ \/ / && ($3 !~ /rootfs/) { print $4 }' /proc/mounts`
#[ "$state" != "rw" -a "$READONLY" != "yes" ] && \
#  action $"Remounting root filesystem in read-write mode: " mount -n -o remount,rw /

# Clean up SELinux labels
if [ -n "$SELINUX" ]; then
   for file in /etc/mtab /etc/ld.so.cache ; do
           [ -r $file ] && restorecon $file  >/dev/null 2>&1
   done
fi

# Clear mtab
(> /etc/mtab) &> /dev/null

# Remove stale backups
rm -f /etc/mtab~ /etc/mtab~~

# Enter mounted filesystems into /etc/mtab
mount -f /
mount -f /proc >/dev/null 2>&1
mount -f /sys >/dev/null 2>&1
mount -f /dev/pts >/dev/null 2>&1
mount -f /proc/bus/usb >/dev/null 2>&1

# Mount all other filesystems (except for NFS and /proc, which is already
# mounted). Contrary to standard usage,
# filesystems are NOT unmounted in single user mode.
#action $"Mounting local filesystems: " mount -a -t nonfs,nfs4,smbfs,ncpfs,cifs,gfs -o no_netdev

if [ -x /sbin/quotaon ]; then
    action $"Enabling local filesystem quotas: " /sbin/quotaon -aug
fi

# Check to see if a full relabel is needed
if [ -n "$SELINUX" ]; then
    if [ -f /.autorelabel ] || strstr "$cmdline" autorelabel ; then
        relabel_selinux
    fi
else
    if [ -d /etc/selinux ]; then
        [ -f /.autorelabel ] || touch /.autorelabel
    fi
fi


# Start the graphical boot, if necessary and not done yet.
if strstr "$cmdline" rhgb && ! strstr "$cmdline" early-login && [ "$RHGB_STARTED" -eq 0 -a "$BOOTUP" = "color" -a "$GRAPHICAL" = "yes" -a -x /usr/bin/rhgb ]; then
   LC_MESSAGES= /usr/bin/rhgb
   RHGB_STARTED=1
fi

# Initialize pseudo-random number generator
if [ -f "/etc/random-seed" ]; then
        cat /etc/random-seed > /dev/urandom
else
        touch /etc/random-seed
fi
chmod 600 /etc/random-seed
dd if=/dev/urandom of=/etc/random-seed count=1 bs=512 2>/dev/null

# Use the hardware RNG to seed the entropy pool, if available
#[ -x /sbin/rngd -a -c /dev/hw_random ] && rngd

# Configure machine if necessary.
if [ -f /.unconfigured ]; then
    if [ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --ping ; then
        chvt 1
    fi

    if [ -x /usr/bin/system-config-keyboard ]; then
        /usr/bin/system-config-keyboard
    fi
    if [ -x /usr/bin/passwd ]; then
        /usr/bin/passwd root
    fi
    if [ -x /usr/sbin/netconfig ]; then
        /usr/sbin/netconfig
    fi
    if [ -x /usr/sbin/timeconfig ]; then
        /usr/sbin/timeconfig
    fi
    if [ -x /usr/sbin/authconfig ]; then
        /usr/sbin/authconfig --nostart
    fi
    if [ -x /usr/sbin/ntsysv ]; then
        /usr/sbin/ntsysv --level 35
    fi

    # Reread in network configuration data.
    if [ -f /etc/sysconfig/network ]; then
        . /etc/sysconfig/network

        # Reset the hostname.
        action $"Resetting hostname ${HOSTNAME}: " hostname ${HOSTNAME}
    fi

    rm -f /.unconfigured

    if [ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --ping ; then
        chvt 8
    fi
fi

# Clean out /.
rm -f /fastboot /fsckoptions /forcefsck /.autofsck /halt /poweroff &> /dev/null

# Do we need (w|u)tmpx files? We don't set them up, but the sysadmin might...
_NEED_XFILES=
[ -f /var/run/utmpx -o -f /var/log/wtmpx ] && _NEED_XFILES=1

# Clean up /var.  I'd use find, but /usr may not be mounted.
for afile in /var/lock/* /var/run/* ; do
        if [ -d "$afile" ]; then
           case "$afile" in
                */news|*/mon)        ;;
                */sudo)                rm -f $afile/*/* ;;
                */vmware)        rm -rf $afile/*/* ;;
                */samba)        rm -rf $afile/*/* ;;
                */screen)        rm -rf $afile/* ;;
                *)                rm -f $afile/* ;;
           esac
        else
           rm -f $afile
        fi
done
rm -f /var/lib/rpm/__db* &> /dev/null
rm -f /var/gdm/.gdmfifo &> /dev/null

# Reset pam_console permissions
[ -x /sbin/pam_console_apply ] && /sbin/pam_console_apply -r

{
# Clean up utmp/wtmp
> /var/run/utmp
touch /var/log/wtmp
chgrp utmp /var/run/utmp /var/log/wtmp
chmod 0664 /var/run/utmp /var/log/wtmp
if [ -n "$_NEED_XFILES" ]; then
  > /var/run/utmpx
  touch /var/log/wtmpx
  chgrp utmp /var/run/utmpx /var/log/wtmpx
  chmod 0664 /var/run/utmpx /var/log/wtmpx
fi

# Clean up various /tmp bits
[ -n "$SELINUX" ] && restorecon /tmp
rm -f /tmp/.X*-lock /tmp/.lock.* /tmp/.gdm_socket /tmp/.s.PGSQL.*
rm -rf /tmp/.X*-unix /tmp/.ICE-unix /tmp/.font-unix /tmp/hsperfdata_* \
       /tmp/kde-* /tmp/ksocket-* /tmp/mc-* /tmp/mcop-* /tmp/orbit-*  \
       /tmp/scrollkeeper-*  /tmp/ssh-*
# Make ICE directory
mkdir -m 1777 -p /tmp/.ICE-unix >/dev/null 2>&1
chown root:root /tmp/.ICE-unix
[ -n "$SELINUX" ] && restorecon /tmp/.ICE-unix >/dev/null 2>&1

# Start up swapping.
update_boot_stage RCswap
#action $"Enabling swap space: " swapon -a -e
action $"Enabling swap space: " swapon -a

# Set up binfmt_misc
/bin/mount -t binfmt_misc none /proc/sys/fs/binfmt_misc > /dev/null 2>&1

# Initialize the serial ports.
if [ -f /etc/rc.serial ]; then
        . /etc/rc.serial
fi

# If they asked for ide-scsi, load it
if strstr "$cmdline" ide-scsi ; then
        modprobe ide-cd >/dev/null 2>&1
        modprobe ide-scsi >/dev/null 2>&1
fi

# Boot time profiles. Yes, this should be somewhere else.
if [ -x /usr/sbin/system-config-network-cmd ]; then
  if strstr "$cmdline" netprofile= ; then
    for arg in $cmdline ; do
        if [ "${arg##netprofile=}" != "${arg}" ]; then
            /usr/sbin/system-config-network-cmd --profile ${arg##netprofile=}
        fi
    done
  fi
fi

# Now that we have all of our basic modules loaded and the kernel going,
# let's dump the syslog ring somewhere so we can find it later
dmesg -s 131072 > /var/log/dmesg

# create the crash indicator flag to warn on crashes, offer fsck with timeout
touch /.autofsck &> /dev/null

#kill -TERM `/sbin/pidof getkey` >/dev/null 2>&1
} &
if strstr "$cmdline" confirm ; then
        touch /var/run/confirm
fi
#if [ "$PROMPT" != "no" ]; then
#        /sbin/getkey i && touch /var/run/confirm
#fi
wait

# Let rhgb know that we're leaving rc.sysinit
if [ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --ping ; then
    /usr/bin/rhgb-client --sysinit
fi

我在里面加了，但是还是不行，请有经验的朋友帮下忙，谢谢了哦！