[CentOS] rack configurator?

[John R Pierce]

nate wrote:
> Alan McKay wrote:
>   
>> Hey folks,
>>
>> Does anyone know of a rack configurator that runs on CentOS?   It does
>> not have to even be very fancy - immediately I'm just looking for an
>> easy way to keep track of what is in my racks, and being able to have
>> a visual of it.   Maybe juggle stuff around.   Bonus if it does power
>> calculations based on model numbers and so on - or data I punch in for
>> each model.   But really right now some kind of very specific CAD or
>> Draw tool that is specific to this purpose.  Or a template for a more
>> general tool.
>>     
>
> Spreadsheet?
>   

and Dia for the diagrams?