The first main bootscript is the /etc/init.d/rc script. Create a new file /etc/init.d/rc containing the following:
#!/bin/sh
# Begin /etc/init.d/rc
#
# By Jason Pearce - [email protected]
# Modified by Gerard Beekmans - [email protected]
# print_error_msg based on ideas by Simon Perreault - [email protected]
source /etc/init.d/functions
print_error_msg()
{
echo
$FAILURE
echo -n "You should not read this error message. It means "
echo "that an unforseen error "
echo -n "took place and subscript $i exited with "
echo "return value "
echo -n "of $error_value for an unknown reason. If you're able "
echo "to trace this error down "
echo -n "to a bug in one of the files provided by this book, "
echo "please be so kind to "
echo -n "inform us at [email protected]"
$NORMAL
echo
}
# Un-comment the following for debugging.
# debug=echo
#
# Start script or program.
#
startup() {
case "$1" in
*.sh)
$debug sh "$@"
;;
*)
$debug "$@"
;;
esac
}
# Ignore CTRL-C only in this shell, so we can interrupt subprocesses.
trap ":" INT QUIT TSTP
# Set onlcr to avoid staircase effect.
stty onlcr 0>&1
# Now find out what the current and what the previous runlevel are.
runlevel=$RUNLEVEL
# Get first argument. Set new runlevel to this argument.
[ "$1" != "" ] && runlevel=$1
if [ "$runlevel" = "" ]
then
echo "Usage: $0 <runlevel>" >&2
exit 1
fi
previous=$PREVLEVEL
[ "$previous" = "" ] && previous=N
export runlevel previous
# Is there an rc directory for this new runlevel?
if [ -d /etc/rc$runlevel.d ]
then
# First, run the KILL scripts for this runlevel.
if [ $previous != N ]
then
for i in /etc/rc$runlevel.d/K*
do
[ ! -f $i ] && continue
suffix=${i#/etc/rc$runlevel.d/K[0-9][0-9]}
previous_start=/etc/rc$previous.d/S[0-9][0-9]$suffix
sysinit_start=/etc/rcS.d/S[0-9][0-9]$suffix
# Stop the service if there is a start script
# in the previous run level.
[ ! -f $previous_start ] &&
[ ! -f $sysinit_start] && continue
startup $i stop
error_value=$?
if [ $error_value != 0 ]
then
print_error_msg
fi
done
fi
# Now run the START scripts for this runlevel.
for i in /etc/rc$runlevel.d/S*
do
[ ! -f $i ] && continue
if [ $previous != N ]
then
# Find start script in previous runlevel and
# stop script in this runlevel.
suffix=${i#/etc/rc$runlevel.d/S[0-9][0-9]}
stop=/etc/rc$runlevel.d/K[0-9][0-9]$suffix
previous_start=/etc/rc$previous.d/S[0-9][0-9]$suffix
# If there is a start script in the previous
# level
# and _no_ stop script in this level, we don't
# have to re-start the service.
[ -f $previous_start ] && [ ! -f $stop ] &&
continue
fi
case "$runlevel" in
0|6)
startup $i stop
error_value=$?
if [ $error_value != 0 ]
then
print_error_msg
fi
;;
*)
startup $i start
error_value=$?
if [ $error_value != 0 ]
then
print_error_msg
fi
;;
esac
done
fi
# End /etc/init.d/rc