debian netinstall for dummies Code

65 lines (49 with data), 1.4 kB

#!/bin/bash

# . . . . . .    netconf   . . . . . . #

# programa de configuracion de la red para DNFD

# autor: niky45

# v 0.1

# vemos si la red esta configurada
echo "
comprobando si hay conexion...."
ping -c 1 www.google.es

#si funciona, salimos sin error
if [ $? == 0 ];then
	exit 0
fi

echo "
parece que la red no esta activa"
#la configuramos en caso contario
CONF="/etc/network/interfaces"

NIC=`ifconfig -a |grep Ethernet |cut -c 1-6`

cat $CONF |grep $NIC 
if [ $? != 0 ];then
	mv $CONF "$CONF.bak"
	echo "se le pediran los datos de la red:"
	echo "gateway:";read GATE
	echo "ip de la maquina";read LIP

	echo -e "allow-hotplug $NIC" >> $CONF
	echo -e "iface $NIC inet static" >> $CONF
	echo -e "address $LIP" >> $CONF
	echo -e "netmask 255.255.255.0" >> $CONF
	NET=`echo $LIP | cut -d 1-10` ; RNET=`echo "$NET 0" |sed 's: ::g'` 
	echo -e "network $RNET"  >> $CONF
	BROAD=`echo "$NET 255" |sed 's: ::g'`
	echo -e "broadcast $BROAD" >> $CONF
	echo -e "gateway $GATE" >> $CONF
	echo -e "dns-nameservers 208.67.222.222 8.8.8.8" >> $CONF

	ifup $NIC
fi

ping -c 1 "$GATE"
if [ $? != 0 ];then
        exit 1
fi

mv /etc/resolv.conf /etc/resolv.conf~
touch /etc/resolv.conf 
echo -e "nameserver 208.67.222.222 \n nameserver 8.8.8.8" >> /etc/resolv.conf

ping -c 1 www.google.es
if [ $? != 0 ];then
	exit 2
fi

#si todo ha funcionado, salimos con 0
exit 0