#!/bin/sh
echo "Network setup"
ip link show
read -p "Interface (e.g. eth0): " iface
read -p "Use DHCP? [y/n]: " dhcp
if [ "$dhcp" = "y" ]; then
    dhclient "$iface"
else
    read -p "IP address: " ip
    read -p "Gateway: " gw
    read -p "DNS: " dns
    ip addr add "$ip" dev "$iface"
    ip link set "$iface" up
    ip route add default via "$gw"
    echo "nameserver $dns" > /etc/resolv.conf
fi
