[OpenTRV-dev] squashfs

Thu Apr 11 09:17:45 BST 2013

Hi Bo,

I believe an API ID is assigned to each "user account" you set up in
emonCMS (bearing in mind that it's also designed to host many "clients" as
an online service).

The ID performs dual roles of matching an input with a "user account" and
also providing some rudimentary authentication (rogue clients that don't
have a valid ID can't post data).

In the examples I've seen for the Nanode it has to be compiled into the
code for the remote device. I'm guessing it doesn't for the Raspberry Pi
and RFM12Pi, though, as they have a physical connection. I think this
setup has a more comfortable configuration mechanism but I've not played
with it.

Kevin

> one last q
 in the cms system under inputs it says something about api
> key

>
> but how do i config the devices so they are allowed to send data to the
> pi? is the group id etc enough?
>
> you might call me slow but i lost track
.
>
>
> /bo
>
> Den 10/04/2013 kl. 23.51 skrev Stuart Poulton:
>
>> You are ejecting the device after the dd ?
>>
>>
>> On 10 Apr 2013, at 22:40, Bo Herrmannsen wrote:
>>
>>> no boot :-(
>>>
>>> Den 10/04/2013 kl. 23.26 skrev Stuart Poulton:
>>>
>>>> Ok.
>>>>
>>>> Try
>>>>
>>>> sudo dd if=path_of_your_image.img of=/dev/diskn bs=1m
>>>>
>>>> Basically what you've previously done but with diskn not rdiskn
>>>>
>>>>
>>>>
>>>> On 10 Apr 2013, at 22:24, Bo Herrmannsen wrote:
>>>>
>>>>> Bos-Mac-Pro:~ boherrmannsen$ ls -l /dev/disk4
>>>>> brw-r-----  1 boherrmannsen  operator   14,  11 10 Apr 23:23
>>>>> /dev/disk4
>>>>> Bos-Mac-Pro:~ boherrmannsen$
>>>>>
>>>>>
>>>>> Den 10/04/2013 kl. 23.21 skrev Stuart Poulton:
>>>>>
>>>>>> Long shot
>>>>>>
>>>>>> Can you paste the output of
>>>>>>
>>>>>> ls -l /dev/disk4
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>>> sudo dd bs=1m if=emoncmspi.img of=/dev/rdisk4
>>>>>>
>>>>>>
>>>>>> On 10 Apr 2013, at 22:18, Bo Herrmannsen wrote:
>>>>>>
>>>>>>> the message was to big
 over 40 kb
.
>>>>>>>
>>>>>>> trying to put them i dropbox
>>>>>>>
>>>>>>> Den 10/04/2013 kl. 23.05 skrev Stuart Poulton:
>>>>>>>
>>>>>>>> Are you sure it's still /dev/rdisk4 ?
>>>>>>>>
>>>>>>>> Stuart
>>>>>>>> On 10 Apr 2013, at 21:59, Bo Herrmannsen wrote:
>>>>>>>>
>>>>>>>>> so i tried to format it in diskutil and then run it all again
.
>>>>>>>>> did not work:
>>>>>>>>>
>>>>>>>>> sudo dd bs=1m if=emoncmspi.img of=/dev/rdisk4dd: /dev/rdisk4:
>>>>>>>>> Device not configured
>>>>>>>>> 277+0 records in
>>>>>>>>> 276+0 records out
>>>>>>>>> 289406976 bytes transferred in 26.220936 secs (11037248
>>>>>>>>> bytes/sec)
>>>>>>>>>
>>>>>>>>> /bo
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Den 10/04/2013 kl. 22.26 skrev Stuart Poulton:
>>>>>>>>>
>>>>>>>>>> Try the instructions listed here
>>>>>>>>>>
>>>>>>>>>> http://elinux.org/RPi_Easy_SD_Card_Setup#Copying_an_image_to_the_SD_card_in_Mac.C2.A0OS.C2.A0X_.28command_line.29
>>>>>>>>>>
>>>>>>>>>> Obviously PLEASE PLEASE PLEASE make sure you get the right
>>>>>>>>>> device.
>>>>>>>>>>
>>>>>>>>>> Stuart
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 10 Apr 2013, at 21:17, Bo Herrmannsen wrote:
>>>>>>>>>>
>>>>>>>>>>> so i came around to using DD
. but now it will still not boot
>>>>>>>>>>> on the pi

>>>>>>>>>>>
>>>>>>>>>>> i put it back in my mac but the partition is listed as
>>>>>>>>>>> inactive
. what could be wrong?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> /bo
>>>>>>>>>>>
>>>>>>>>>>> Den 10/04/2013 kl. 15.22 skrev Stuart Poulton:
>>>>>>>>>>>
>>>>>>>>>>>> Bo.
>>>>>>>>>>>>
>>>>>>>>>>>> you can use dd on a mac :)
>>>>>>>>>>>>
>>>>>>>>>>>> Stuart
>>>>>>>>>>>>
>>>>>>>>>>>> On 10/04/13 14:18, Bo Herrmannsen wrote:
>>>>>>>>>>>>> i could go out an buy one so yes
. they are not that
>>>>>>>>>>>>> expensive

>>>>>>>>>>>>>
>>>>>>>>>>>>> but what is the for dummies step by step to write the image?
>>>>>>>>>>>>>
>>>>>>>>>>>>> mvh bo
>>>>>>>>>>>>>
>>>>>>>>>>>>> Den 10/04/2013 kl. 15.16 skrev Stuart Poulton:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Honestly I think you're fighting a losing battle. Can you
>>>>>>>>>>>>>> get an SD card reader for your MAC ?
>>>>>>>>>>>>>> Failing that I'm happy to write an SD card for you.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Stuart
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On 10/04/13 12:45, Bo Herrmannsen wrote:
>>>>>>>>>>>>>>> thats what i'm trying
 but berry boot says its not in
>>>>>>>>>>>>>>> squashes format
.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Den 10/04/2013 kl. 07.42 skrev Stuart Poulton:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Any reason not to use the emonCMS raspberry PI image ?
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Stuart
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On 10/04/13 00:44, Bo Herrmannsen wrote:
>>>>>>>>>>>>>>>>> hi
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> a minor side Q
. is ist possible to convert a rasberry pi
>>>>>>>>>>>>>>>>> sd card image to squashfs format?
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> why i ask is that while i can download and extract the
>>>>>>>>>>>>>>>>> image for open energy's cms system i can't get it to
>>>>>>>>>>>>>>>>> boot
.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> so i tried to use berry boot and most of the way it going
>>>>>>>>>>>>>>>>> smooth

>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> 1 i boot with berry boot from a 2 gb sd card
 on a sub
>>>>>>>>>>>>>>>>> stick i have the img file from open energy
>>>>>>>>>>>>>>>>> 2. when berry ask where to install i swap the sd card for
>>>>>>>>>>>>>>>>> a 4 gb class 10
 it formats the card

>>>>>>>>>>>>>>>>> 3. when i'm asked what os to install i click cancel and
>>>>>>>>>>>>>>>>> get an option to click on add os
 i just hold down the
>>>>>>>>>>>>>>>>> mouse buttom a bit to get an option to load from usb
>>>>>>>>>>>>>>>>> stick
>>>>>>>>>>>>>>>>> 4. i select the img file but i am told its not in
>>>>>>>>>>>>>>>>> squashfs format
.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> is there a way to convert?
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> i have a mac pc and windows 7
 no linux sorry

>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> /bo
>>>>>>>>>>>>>>>>>
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