Re: [9fans] A setup

[Shane Morris <edgecomberts@gmail.com>]

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I like your setup Skip...!

I was thinking of having a "mostly" Plan 9 distributed solution, with an
Inferno registry node in the mix (per Pete Elmores debu.gs tutorials and
9gridchan tutorials). I may end up doing the GUI on Inferno too, as it has
quite a few more primitives that'll make it look "friendly." I'll have to
read Philips book on Limbo programming for that.

I was thinking of having the Mac9P/ 9mount on Linux there in case I needed
it, but yes, you're right about authentication and the like.

On Sun, Nov 2, 2014 at 11:58 AM, Skip Tavakkolian <
skip.tavakkolian@gmail.com> wrote:

> i can think of two options:
>
> - you could go for an all Plan 9 distributed solution. this will be the
> easiest to roll out and maintain in my opinion (security, administration,
> maintenance, etc). i have used this setup with over a dozen 9pi cpu's (tftp
> booting from a 386-based auth+fs) collecting bluetooth data (via usb) and
> logging it on the fs.  it worked well; the collector is a simple rc script
> that reads files served by the bluetooth fs and writes the data to the
> (imported) filesystem; it all uses 9P, of course.
>
> - you could build a 9P network on top of heterogeneous OS environments ,
> but things get unnecessarily messy. you have to deal with authentication,
>  log forwarding or u9fs, non-standard ways of talking to USB, or serial and
> needing to build your own 9P file server for each, etc.
>
> -Skip
>
>
>
> On Sat, Nov 1, 2014 at 2:41 PM, Shane Morris <edgecomberts@gmail.com>
> wrote:
>
>> Hi 9fans,
>>
>> I wish to have a 9P based sensor and actuator reporting system for an
>> aquaponics setup I am designing.
>>
>> I was going to use a RaspberryPi running Plan 9, an "A la mode" for the
>> interface to the Arduino shield, and a Cooking Hacks Open Aquarium/ Open
>> Garden shield (so I would need two RaspberryPi's). On the control side of
>> things, I would have my MacBook access the namespace via Mac9P.
>>
>> Some questions:
>>
>> * Would it be better to use a RaspberryPi Plan 9 CPU image rather than a
>> terminal image? The only interface I will need from the RaspberryPi to the
>> Arduino is TTL serial
>> * Eventually I would create another RaspberryPi, running Linux using
>> 9mount, to display various statistics and data about the system. I'd be
>> writing the interpreter for the information from the Open Aquarium/ Open
>> Garden shields in Python. With what I have described, all I would need to
>> do is "open" the TTL serial stream file from each of the RPis and read out
>> the data, am I correct?
>> * Does anyone have any constructive thoughts on this system setup? Please
>> note, I am doing this to get a handle on 9P.
>>
>> Many thanks!
>>
>> Shane.
>>
>>
>

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