I have a problem with static IP under Ubuntu 12.04.
With DHCP I have no problem, but when I set (under `/etc/network/interfaces`) the static address, the gateway, the subnetmask and the dns-nameservers, I have that the Server cannot connect to external world.
It is able only to connect to local IP hosts.
I have tried to insert the nameservers in the `/etc/resolv.conf` but every time I restart the machine, the changes are canceled.
What could be the problem?
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