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