D.14. /etc/rc.d/init.d/localnet

#!/bin/sh
########################################################################
# Begin $rc_base/init.d/localnet
#
# Description : Loopback device
#
# Authors     : Gerard Beekmans  - gerard@linuxfromscratch.org
#
# Version     : 00.00
#
# Notes       :
#
########################################################################

. /etc/sysconfig/rc
. ${rc_functions}
. /etc/sysconfig/network

case "${1}" in
    start)
        boot_mesg "Bringing up the loopback interface..."
        ip addr add 127.0.0.1/8 label lo dev lo
        ip link set lo up
        evaluate_retval

        boot_mesg "Setting hostname to ${HOSTNAME}..."
        hostname ${HOSTNAME}
        evaluate_retval
        ;;

    stop)
        boot_mesg "Bringing down the loopback interface..."
        ip link set lo down
        evaluate_retval
        ;;

    restart)
        ${0} stop
        sleep 1
        ${0} start
        ;;

    status)
        echo "Hostname is: $(hostname)"
        ip link show lo
        ;;

    *)
        echo "Usage: ${0} {start|stop|restart|status}"
        exit 1
        ;;
esac

# End $rc_base/init.d/localnet