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Révision datée du 28 août 2009 à 06:27 par Shelob (discussion | contributions) (Page créée avec « Change Ubuntu Server from DHCP to a Static IP Address If the Ubuntu Server installer has set your server to use DHCP, you will want to change it to a static IP address so th... »)
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Change Ubuntu Server from DHCP to a Static IP Address

If the Ubuntu Server installer has set your server to use DHCP, you will want to change it to a static IP address so that people can actually use it.

Let’s open up the /etc/network/interfaces file. I’m going to use vi, but you can choose a different editor

   sudo vi /etc/network/interfaces

For the primary interface, which is usually eth0, you will see these lines:

   auto eth0
   iface eth0 inet dhcp

As you can see, it’s using DHCP right now. We are going to change dhcp to static, and then there are a number of options that should be added below it. Obviously you’d customize this to your network.

   auto eth0
   iface eth0 inet static
           address 192.168.1.100
           netmask 255.255.255.0
           network 192.168.1.0
           broadcast 192.168.1.255
           gateway 192.168.1.1

Now we’ll need to add in the DNS settings by editing the resolv.conf file:

   sudo vi /etc/resolv.conf

On the line ‘name server xxx.xxx.xxx.xxx’ replace the x with the IP of your name server. (You can do ifconfig /all to find out what they are)

Now we’ll just need to restart the networking components:

   sudo /etc/init.d/networking restart