Launching a new Linux image from within Linux

[Tim Gardner]

Palani Chinnakannan (pals) wrote:
> Hi,
> 
>        I have a requirement in which we have to fetch a new Linux image
> from the
> 
> network and have to launch this image.  I am wondering if it is possible
> to launch
> 
> this image from within the current operating Linux (after transitioning
> to rl 0)?
> 
> ie., I am wondering if we can skip a CPU reset. The reason is the new
> image is in
> 
> memory and we do not want to lose this due to reset.
> 
>  
> 
> Any alternate suggestions like maintaining some persistent ram etc will
> be nice.
> 
> We are trying to avoid writing the image back to disk.
> 
>  
> 
> Thanks 
> 
>  
> 
> pals
> 
> 
> 

Is kexec sufficient for your needs?

-- 
Tim Gardner tim.gardner at canonical.com