For some reason my Debian 4.0 box running under VBOX does not connect to the internet via NAT all the time, reason? I don't know. Anyway, I was able to get it up and running using the usual old, in the terminal configuration. First, since my first interface, eth0, is configured by default to get IP from DHCP, I have to bring it down, i.e. #: ifdown eth0 Now, let us bring it up manually with an IP that is probably not being used by other VMs running inside VBOX in this case we will try 10.0.2.3. #: ifconfig eth0 up 10.0.2.3 netmask 255.255.255.0 Note that by default, VBOX gateway is 10.0.2.2 or basically we can also say that this is the IP address of the host machine internally. Let us now add entry into the routing table to route traffic to the gateway. #: route add default gw 10.0.2.2 One last change we need to make is in the file /etc/resolv.conf. #: nano -w /etc/resolv.conf #<-- this line is not included, search for namesever nameserver 192.xxx.xxx.xxx Note that the IP addre
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