Xen: Passing kernel parameters to DomUs

How to pass kernel parameters to Xen DomUs ?
asked Jan 20, 2013 by forum (2,150 points)

1 Answer

 
Best answer

Kernel paremeter may be needed to be passed to a Xen DomU. For example, when the DomU fails to boot and we want to check it in 'single' mode.

We can simply start the DomU with the "extra=" syntax. For example, to add 'single' to the kernel parameters of DomU:

# xm create domu-vm.cfg extra="single"

To make it permanent for the VM, we can add

extra="single"

to the VM's configuration file domu-vm.cfg.

answered Jan 20, 2013 by SA (14,760 points)
edited Dec 31, 2013

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