[beagleboard] Re: Cannot SSH to BBB anymore

[yassyass]

Thank you for the input Chris and Dennis,

I have picked up working on the BBB again and tried plugging it into a 
display via the mini HDMI and it seems like the beaglebone does not boot 
into the OS as all I see is a blinking cursor top left of the screen.

I tried booting from an SD card and that seems to work fine but I am unsure 
how to access the eMMC to retrieve files before re-imaging. 

Is there a process making that possible?

Thanks in advance

On Thursday, May 17, 2018 at 12:52:38 PM UTC+12, yassyass wrote:
>
> Hi guys,
>
> Not sure what's happened and not sure where to start troubleshooting. 
>
> My BBB won't respond to SSH requests from Terminal on my mac, this was 
> working perfectly fine just days ago and I am trying to go back and 
> understand what changed. 
>
> I worked mostly using Cloud9 and running scripts with Python and JS so I 
> have quite a bit saved on it that I would like to recover if possible 
> before resorting to re-imaging.
>
> The board seems to turn on fine with all the LEDs turn on sequentially and 
> then they start pulsing as they would when the OS is running.
>
> The board is both connected directly to my Mac and to a LAN via ethernet.
>
>

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[beagleboard] Re: Cannot SSH to BBB anymore

[Chris Green]

Dennis Lee Bieber  wrote:
> On Fri, 18 May 2018 10:21:40 +0100, Chris Green
>  declaimed the following:
> 
> >The BBB 192.168.6.x address is the one it sets up itself for use over
> >USB (I think) so that won't appear on your ethernet LAN.
> >
> That may be the Mac-default USB device, my Windows rndis USB device
> comes up as 192.168.7.2
> 
I think it depends which end does the creation of the USB link but I'm
not quite sure.  Anyway either 192.168.7.x or 192.168.6.x is almost
certianly the USB connection.

-- 
Chris Green
·

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[beagleboard] Re: Cannot SSH to BBB anymore

[Chris Green]

yassyass  wrote:
> [-- multipart/alternative, encoding 7bit, 141 lines --]
> 
> [-- text/plain, encoding quoted-printable, charset: UTF-8, 61 lines --]
> 
> Thanks for that Chris, an arp -a does not return a beaglebone default IP of 
> 192.168.6.2 on the LAN. 

But is your LAN 192.168.6.x?  I doubt it very much!

The LAN sub-net is created by your router (usually) and the default
tends to be 192.168.1.x though that isn't universal.

The BBB 192.168.6.x address is the one it sets up itself for use over
USB (I think) so that won't appear on your ethernet LAN.

The BBB can have two IP addresses, the one on the USB connection to
your computer and the one on its RJ45 ethernet connection which will
be set by the DHCP server on that network (usually the router).

-- 
Chris Green
·

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[beagleboard] Re: Cannot SSH to BBB anymore

[yassyass]

Thanks for that Chris, an arp -a does not return a beaglebone default IP of 
192.168.6.2 on the LAN. 
I will look into the other device addresses on the network and hopefully 
one of them is the BBB. 

I also just thought of using the HDMI link on the board and connect to a 
display and use keyboard directly off it to see what the matter is.

Will report back with results once I find a mini HDMI cable...

On Thursday, May 17, 2018 at 8:03:27 PM UTC+12, Chris Green wrote:
>
> yassyass  wrote: 
> > Hi guys, 
> > 
> > Not sure what's happened and not sure where to start troubleshooting. 
> > 
> > My BBB won't respond to SSH requests from Terminal on my mac, this was 
> > working perfectly fine just days ago and I am trying to go back and 
> > understand what changed. 
> > 
> > I worked mostly using Cloud9 and running scripts with Python and JS so I 
> > have quite a bit saved on it that I would like to recover if possible 
> > before resorting to re-imaging. 
> > 
> > The board seems to turn on fine with all the LEDs turn on sequentially 
> and 
> > then they start pulsing as they would when the OS is running. 
> > 
> > The board is both connected directly to my Mac and to a LAN via 
> ethernet. 
> > 
> Are you sure you're trying to ssh to the right address? 
>
> Do you have any means of checking your LAN to see what devices there 
> are on your LAN?  If so look at the list of IPs and see if you can see 
> the BBB one or (it might have changed) one that you don't recognise. 
>
> -- 
> Chris Green 
> · 
>
>

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[beagleboard] Re: Cannot SSH to BBB anymore

[Chris Green]

yassyass  wrote:
> Hi guys,
> 
> Not sure what's happened and not sure where to start troubleshooting. 
> 
> My BBB won't respond to SSH requests from Terminal on my mac, this was 
> working perfectly fine just days ago and I am trying to go back and 
> understand what changed. 
> 
> I worked mostly using Cloud9 and running scripts with Python and JS so I 
> have quite a bit saved on it that I would like to recover if possible 
> before resorting to re-imaging.
> 
> The board seems to turn on fine with all the LEDs turn on sequentially and 
> then they start pulsing as they would when the OS is running.
> 
> The board is both connected directly to my Mac and to a LAN via ethernet.
> 
Are you sure you're trying to ssh to the right address?

Do you have any means of checking your LAN to see what devices there
are on your LAN?  If so look at the list of IPs and see if you can see
the BBB one or (it might have changed) one that you don't recognise.

-- 
Chris Green
·

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