Creating the localnet script

Create the /etc/init.d/localnet script by running the following command:

cat > /etc/init.d/localnet << "EOF"
#!/bin/sh 
# Begin /etc/init.d/localnet

#
# Include the functions declared in the /etc/init.d/functions file
# and include the variables from the /etc/sysconfig/network file.
# 

source /etc/init.d/functions
source /etc/sysconfig/network

case "$1" in
        start)
                echo -n "Bringing up the loopback interface..."
                /sbin/ifconfig lo 127.0.0.1
                evaluate_retval

                echo -n "Setting up hostname..."
                /bin/hostname $HOSTNAME
                evaluate_retval
                ;;

        stop)
                echo -n "Bringing down the loopback interface..."
                /sbin/ifconfig lo down
                evaluate_retval
                ;;

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

# End /etc/init.d/localnet
EOF