[CentOS] Why Kudzu, Why?

[John R Pierce]

Michael Semcheski wrote:
> So I have a CentOS 5 machine, which I recently did a 'yum update' on.
> Everything went fine, but I rebooted as a precaution (just to confront
> any problems which might arise the first time after an update).
>
> And sure enough, when the machine came back up, the network didn't
> work.  Luckilly, someone said (and I quote) 'mv
> /etc/sysconfig/networking-scripts/ifcfg-eth0.bak
> /etc/sysconfig/networking-scripts/ifcfg-eth0 and blame kudzu'...
>
> So, what did I do wrong, or what should I have done differently?
> What's the reasoning behind this?  I'll bet there is some rationale,
> and I'd like to understand it.
>   


I'd probably have diff'd the files before overwriting to see wtf was hosed.