ip address / network configuration

[Carlos S]

Thanks ZenWiz and Tom..

So I am thinking uninstalling network manager and then editing
/etc/network/interfaces is a good solution. Unless, I figure out how
to do multi-home networking using Network Manager gui.

--
cs.

On Wed, Jan 5, 2011 at 9:07 PM, Tom H <tomh0665 at gmail.com> wrote:
> On Wed, Jan 5, 2011 at 9:47 PM, Carlos S <neubyr at gmail.com> wrote:
>>
>> I have a Ubuntu 10.10 desktop edition installed with DHCP for
>> IP/network configuration. How do I assign a static IP addresses to a
>> network interfaces? Also, How can one configure multi-homed network in
>> Ubuntu?
>>
>> A quick google search led me to following examples, where replacement
>> of existing DHCP line is told.
>> http://www.ubuntugeek.com/change-ubuntu-system-from-dhcp-to-a-static-ip-address.html
>> http://www.howtogeek.com/howto/ubuntu/change-ubuntu-server-from-dhcp-to-a-static-ip-address/
>>
>> Interestingly I don't have any such DHCP config line in my system's
>> '/etc/network/interfaces'. Following is what I have:
>> {{
>> auto lo
>> iface lo inet loopback
>> }}}
>>
>> So where is my existing IP address config?
>>
>> Also, if I edit network config in GUI then it is not written in
>> interfaces file, although the config seems to be applied. Any
>> elaboration on this network config would be really helpful.
>>
>> I have done this on CentOS and typically it is done in
>> /etc/syconfig/networking-scripts/ifcfg-eth0.
>
> When you edit the network configuration in the GUI, you're editing
> Network Manager's configuration and that configuration isn't held in
> the classical Debian equivalent of
> "/etc/sysconfig/networking-scripts/ifcfg-eth0",
> "/etc/network/interfaces". Unless you change a value
> "/etc/NetworkManager/nm-settings", NM'll not bring your NICs up if
> "/etc/network/interfaces" has more in it in it than what you have
> posted above.
>
> In Ubuntu, if you want to use "/etc/network/interfaces", you can't
> "chkconfig NetworkManager off" and "chkconfig network on" as in
> RHEL/CentOS/Fedora; you have to uninstall NM. Once you've done that,
> you can follow the guides above.
>
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