Manually create devnode on CentOS5?

Daniel Silverstone dsilvers at
Mon Apr 11 19:19:39 BST 2011

On Mon, Apr 11, 2011 at 01:30:15PM -0400, Steve Snyder wrote:
> >> OK, so the udev in CentOS 5.x is incompatible with creating a
> >> devnode for the Entropy Key.  Can I create my own?
> >
> >In the absence of any special rules, udev will create /dev/ttyACMx (probably
> >ttyACM0) which is quite suitable for using with ekeyd providing your kernel's
> >CDC-ACM support is functional.

> I do have a /dev/ttyACM0 created.  Do you mean that I can simply use this
> instead of /dev/entropykey?

Yes, we used /dev/ttyACMx before we derived the UDEV rules.

> I understand that the CDC-ACM support is buggy. If, however, my kernel has
> functional CDC-ACM support should ekeyd be happy with the   /dev/ttyACM0
> devnode?

It should be fine with it.

You will need to manually add it and manually specify it when rekeying etc, but
the manual pages for ekey-rekey and ekeydctl should help you to sort that out.



Daniel Silverstone                    

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