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Diffstat (limited to 'templates/vserver/files/etc/rc.d/rc.S')
| -rwxr-xr-x | templates/vserver/files/etc/rc.d/rc.S | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/templates/vserver/files/etc/rc.d/rc.S b/templates/vserver/files/etc/rc.d/rc.S new file mode 100755 index 0000000..05c75b4 --- /dev/null +++ b/templates/vserver/files/etc/rc.d/rc.S @@ -0,0 +1,294 @@ +#!/bin/sh +# +# /etc/rc.d/rc.S: System initialization script. +# +# Mostly written by: Patrick J. Volkerding, <volkerdi@slackware.com> +# + +PATH=/sbin:/usr/sbin:/bin:/usr/bin + +# Mount /proc right away: +/sbin/mount -v proc /proc -n -t proc + +# If 'nohotplug' was given at boot, or rc.hotplug has been turned off +# (is not executable), then shut off hotplugging in the kernel now. +# Turning off hotplug is *not* recommended, and will break some things. +if [ -w /proc/sys/kernel/hotplug ]; then + if grep -w nohotplug /proc/cmdline 1> /dev/null 2> /dev/null ; then + echo "/dev/null" > /proc/sys/kernel/hotplug + elif [ ! -x /etc/rc.d/rc.hotplug ]; then + echo "/dev/null" > /proc/sys/kernel/hotplug + fi +fi + +# Start devfsd if necessary. On newer kernels, udev should be used instead. +if [ -x /etc/rc.d/rc.devfsd ]; then + /etc/rc.d/rc.devfsd start +fi + +# Mount sysfs next, if the kernel supports it: +if [ -d /sys ]; then + if cat /proc/filesystems | grep -w sysfs 1> /dev/null 2> /dev/null ; then + if ! cat /proc/mounts | grep -w sysfs 1> /dev/null 2> /dev/null ; then + /sbin/mount -v sysfs /sys -n -t sysfs + fi + fi +fi + +# Initialize udev to manage /dev entries for 2.6.x kernels: +if [ -x /etc/rc.d/rc.udev ]; then + if ! grep -w nohotplug /proc/cmdline 1> /dev/null 2> /dev/null ; then + /etc/rc.d/rc.udev + fi +fi + +# Enable swapping: +/sbin/swapon -a + +# Test to see if the root partition is read-only, like it ought to be. +READWRITE=no +if touch /fsrwtestfile 2>/dev/null; then + rm -f /fsrwtestfile + READWRITE=yes +else + echo "Testing root filesystem status: read-only filesystem" +fi + +# See if a forced filesystem check was requested at shutdown: +if [ -r /etc/forcefsck ]; then + FORCEFSCK="-f" +fi + +# Check the root filesystem: +if [ ! $READWRITE = yes ]; then + RETVAL=0 + if [ ! -r /etc/fastboot ]; then + echo "Checking root filesystem:" + /sbin/fsck $FORCEFSCK -C -a / + RETVAL=$? + fi + # An error code of 2 or higher will require a reboot. + if [ $RETVAL -ge 2 ]; then + # An error code equal to or greater than 4 means that some errors + # could not be corrected. This requires manual attention, so we + # offer a chance to try to fix the problem in single-user mode: + if [ $RETVAL -ge 4 ]; then + echo + echo "***********************************************************" + echo "*** An error occurred during the root filesystem check. ***" + echo "*** You will now be given a chance to log into the ***" + echo "*** system in single-user mode to fix the problem. ***" + echo "*** ***" + echo "*** If you are using the ext2 filesystem, running ***" + echo "*** 'e2fsck -v -y <partition>' might help. ***" + echo "***********************************************************" + echo + echo "Once you exit the single-user shell, the system will reboot." + echo + PS1="(Repair filesystem) \#"; export PS1 + sulogin + else # With an error code of 2 or 3, reboot the machine automatically: + echo + echo "***********************************" + echo "*** The filesystem was changed. ***" + echo "*** The system will now reboot. ***" + echo "***********************************" + echo + fi + echo "Unmounting file systems." + /sbin/umount -a -r + /sbin/mount -n -o remount,ro / + echo "Rebooting system." + sleep 2 + reboot -f + fi + # Remount the root filesystem in read-write mode + echo "Remounting root device with read-write enabled." + /sbin/mount -w -v -n -o remount / + if [ $? -gt 0 ] ; then + echo + echo "Attempt to remount root device as read-write failed! This is going to" + echo "cause serious problems." + echo + echo "If you're using the UMSDOS filesystem, you **MUST** mount the root partition" + echo "read-write! You can make sure the root filesystem is getting mounted " + echo "read-write with the 'rw' flag to Loadlin:" + echo + echo "loadlin vmlinuz root=/dev/hda1 rw (replace /dev/hda1 with your root device)" + echo + echo "Normal bootdisks can be made to mount a system read-write with the rdev command:" + echo + echo "rdev -R /dev/fd0 0" + echo + echo "You can also get into your system by using a boot disk with a command like this" + echo "on the LILO prompt line: (change the root partition name as needed)" + echo + echo "LILO: mount root=/dev/hda1 rw" + echo + echo "Please press ENTER to continue, then reboot and use one of the above methods to" + echo -n "get into your machine and start looking for the problem. " + read junk; + fi +else + echo "Testing root filesystem status: read-write filesystem" + if cat /etc/fstab | grep ' / ' | grep umsdos 1> /dev/null 2> /dev/null ; then + ROOTTYPE="umsdos" + fi + if [ ! "$ROOTTYPE" = "umsdos" ]; then # no warn for UMSDOS + echo + echo "*** ERROR: Root partition has already been mounted read-write. Cannot check!" + echo + echo "For filesystem checking to work properly, your system must initially mount" + echo "the root partition as read only. Please modify your kernel with 'rdev' so that" + echo "it does this. If you're booting with LILO, add a line:" + echo + echo " read-only" + echo + echo "to the Linux section in your /etc/lilo.conf and type 'lilo' to reinstall it." + echo + echo "If you boot from a kernel on a floppy disk, put it in the drive and type:" + echo " rdev -R /dev/fd0 1" + echo + echo "If you boot from a bootdisk, or with Loadlin, you can add the 'ro' flag." + echo + echo "This will fix the problem *AND* eliminate this annoying message. :^)" + echo + echo -n "Press ENTER to continue. " + read junk; + fi +fi # Done checking root filesystem + +# Any /etc/mtab that exists here is old, so we delete it to start over: +/bin/rm -f /etc/mtab* +# Remounting the / partition will initialize the new /etc/mtab: +/sbin/mount -w -o remount / + +# Fix /etc/mtab to list sys and proc if they were not yet entered in +# /etc/mtab because / was still mounted read-only: +if [ -d /proc/sys ]; then + /sbin/mount -f proc /proc -t proc +fi +if [ -d /sys/bus ]; then + /sbin/mount -f sysfs /sys -t sysfs +fi + +# Set the system time from the hardware clock using hwclock --hctosys. +if [ -x /sbin/hwclock ]; then + if grep "^UTC" /etc/hardwareclock 1> /dev/null 2> /dev/null ; then + echo "Setting system time from the hardware clock (UTC)." + /sbin/hwclock --utc --hctosys + else + echo "Setting system time from the hardware clock (localtime)." + /sbin/hwclock --localtime --hctosys + fi +fi + +# Configure ISA Plug-and-Play devices: +if [ -r /etc/isapnp.conf ]; then + if [ -x /sbin/isapnp ]; then + /sbin/isapnp /etc/isapnp.conf + fi +fi + +# This loads any kernel modules that are needed. These might be required to +# use your ethernet card, sound card, or other optional hardware. +if [ -x /etc/rc.d/rc.modules -a -r /proc/modules ]; then + . /etc/rc.d/rc.modules +fi + +# Configure runtime kernel parameters: +if [ -x /sbin/sysctl -a -r /etc/sysctl.conf ]; then + /sbin/sysctl -e -p /etc/sysctl.conf +fi + +# Initialize the Logical Volume Manager. +# This won't start unless we find /etc/lvmtab (LVM1) or +# /etc/lvm/backup/ (LVM2). This is created by /sbin/vgscan, so to +# use LVM you must run /sbin/vgscan yourself the first time (and +# create some VGs and LVs). +if [ -r /etc/lvmtab -o -d /etc/lvm/backup ]; then + echo "Initializing LVM (Logical Volume Manager):" + # Check for device-mapper support. + if ! cat /proc/devices | grep -w device-mapper 1> /dev/null 2> /dev/null ; then + # If device-mapper exists as a module, try to load it. + if [ -r /lib/modules/$(cat /proc/sys/kernel/osrelease)/kernel/drivers/md/dm-mod.ko ]; then + insmod /lib/modules/$(cat /proc/sys/kernel/osrelease)/kernel/drivers/md/dm-mod.ko + fi + fi + # Scan for new volume groups: + /sbin/vgscan 2> /dev/null + if [ $? = 0 ]; then + # This needs a moment to register. + sleep 10 + # Make volume groups available to the kernel. + # This should also make logical volumes available. + /sbin/vgchange -ay + # Enable swapping again in case any LVs are used for swap. Ignore previous error. :-) + /sbin/swapon -a + fi +fi + +# Check all the non-root filesystems: +if [ ! -r /etc/fastboot ]; then + echo "Checking non-root filesystems:" + /sbin/fsck $FORCEFSCK -C -R -A -a +fi + +# mount non-root file systems in fstab (but not NFS or SMB +# because TCP/IP is not yet configured, and not proc because +# that has already been mounted): +/sbin/mount -a -v -t nonfs,nosmbfs,noproc + +# Clean up some temporary files: +( cd /var/log/setup/tmp && rm -rf * ) +/bin/rm -f /var/run/utmp /var/run/*pid /etc/nologin /var/run/lpd* \ + /var/run/ppp* /etc/dhcpc/*.pid /etc/forcefsck /etc/fastboot + +# Attempt to umount and remove any leftover /initrd: +if [ -d /initrd ]; then + /sbin/umount /initrd 2> /dev/null + rmdir /initrd 2> /dev/null + blockdev --flushbufs /dev/ram0 2> /dev/null +fi + +# Create a fresh utmp file: +touch /var/run/utmp +chown root.utmp /var/run/utmp +chmod 664 /var/run/utmp + +if [ "$ROOTTYPE" = "umsdos" ]; then # we need to update any files added in DOS: + echo "Synchronizing UMSDOS directory structure:" + echo " /sbin/umssync -r99 -v- /" + /sbin/umssync -r99 -v- / +fi + +# Setup the /etc/motd to reflect the current kernel level: +# THIS WIPES ANY CHANGES YOU MAKE TO /ETC/MOTD WITH EACH BOOT. +# COMMENT THIS OUT IF YOU WANT TO MAKE A CUSTOM VERSION. +echo "$(/bin/uname -sr)." > /etc/motd + +# If there are SystemV init scripts for this runlevel, run them. +if [ -x /etc/rc.d/rc.sysvinit ]; then + . /etc/rc.d/rc.sysvinit +fi + +# Run serial port setup script: +# (CAREFUL! This can make some systems hang if the rc.serial script isn't +# set up correctly. If this happens, you may have to edit the file from a +# boot disk) +# +# . /etc/rc.d/rc.serial + +# Carry an entropy pool between reboots to improve randomness. +if [ -f /etc/random-seed ]; then + echo "Using /etc/random-seed to initialize /dev/urandom." + cat /etc/random-seed > /dev/urandom +fi +# Use the pool size from /proc, or 512 bytes: +if [ -r /proc/sys/kernel/random/poolsize ]; then + dd if=/dev/urandom of=/etc/random-seed count=1 bs=$(cat /proc/sys/kernel/random/poolsize) 2> /dev/null +else + dd if=/dev/urandom of=/etc/random-seed count=1 bs=512 2> /dev/null +fi +chmod 600 /etc/random-seed + |