Re: [Xen-users] CentOS 5.0 ifcfg-eth0 gets renamed on boot

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Amos Shapira wrote:
> Hello,
>
> I created a CentOS 5.0 x86_64 guest under Debian Etch with Xen 3.0.3 and 
> it boots fine except for one re-occuring problem - whenever it boots the 
> /etc/sysconfig/network-scripts/ifcfg-eth0 script gets renamed to .bak 
> and doesn't configure the ethernet device.
> Here is the content of this file:
>
> TYPE=Ethernet
> DEVICE=eth0
> BOOTPROTO=static
> ONBOOT=yes
> IPADDR=192.168.0.247 <http://192.168.0.247>
> NETMASK=255.255.255.0 <http://255.255.255.0>
> GATEWAY=192.168.0.2 <http://192.168.0.2>
>
> Looks pretty standard to me.
>
> When I boot the system to single-user mode the file is still there but 
> when I ^D to go to multi-user the file gets renamed at some stage.
> A simple "mv ifcfg-eth0.bak ifcfg-eth0" and "service network restart" 
> fixes the problem but it's still very annoying to have to do that every 
> time i reboot the system (luckily these are just test/dev machines for 
> now).
> I tried to follow the output of the boot in the console but can't see 
> anything wrong, and can't find what in the world could do this renaming 
> at boot time.
> What am I missing?
>
> Thanks,
>
> --Amos
Is that http:// debris actually in your file, or is that some sort of gmail 
rendering error?

RedHat also has a tradition of stuffing some interesting little files in 
/etc/sysconfig/ for resetting network configurations. Slightly different 
configuration tools, such as system-config-network, set them differently and 
they propagate oddly if you try editing things manually. Try using 
system-config-network.

Also, don't you have a hard-coded MAC address for the guest? Something that you can put as 
"HWADDR=<MACADDRESS>" in your ifcfg-eth0 file?

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