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Jamie Strandboge jamie at canonical.com
Fri Oct 30 19:17:06 UTC 2015

On 10/30/2015 02:08 PM, Gábor Paller wrote:
> "On 15.04 you have two options, either use hw-assign (which is aimed at
> developers) or use oem assign"
> So is that "hw-assign" necessary after every installation? I suspect it is as
> the access to the ttyO1 device is not present in the apparmor file so whenever
> the package is reinstalled, the permission has to be granted again. Am I right?
I answered this in a followup email: "When using hw-assign, you will need to run
hw-assign after the first install of the snap on a device. You do not have to
run it again after upgrading the snap that the device has been assigned to."

> Also, what is the "caps" in the package.yaml that gives me access to the /dev/ttyO1?
caps is not used to grant access to devices.

Jamie Strandboge                 http://www.ubuntu.com/

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