Omega Talk

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  • CAP 33

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  [Help] Can't connect to my omega over SSH on my Linux machine
  ssh access omega2+ problem • • Hussein Taher

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  @Hussein-Taher
  I also ran into this problem with a remote connection to my Omega. You should write not "local", but the IP address of your Omega in the network.
  For example, SSH root@omega-ABCD.192.168.3.1

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  Switched to Spectrum Arris Router and now I can't access the onion over Wifi
  onion omega wifi firmware omega2 • • Yvan Gagnon

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  UPDATE: I am now able to access the Onion's browser interface (I apparently had to go through the set up again .. only I skipped the Wifi configuration part this time). Also -- I am now able to access the SD card.

  SIDE NOTE: I wish there was some indication that software is installing in the background when I choose to install the console during the setup wizard. The installation takes a while and it'd be nice if the LED on the onion would blink in a specific pattern or something so I know something is happening.

  However .. these problems still remain:

  I am only able to connect to the device via SSH when I am connected to the Onion's Wifi hotstpot.

  I am only able to access the onion's browser interface when I'm connected to the Onion's Wifi hotstpot.

  I use to be able to access the Onion's web interface using it's unique hostname (ie: http://omega-XXXX.local/) .. but I now no longer able to do that (regardless as to whether or not I'm connected to the Onion's Wifi hostpot). And yes .. I do have the Bonjour service installed and running (I'm on a Windows 10 PC).

  Any idea as to why I'm no longer able to access the Onion while connected to my home's Wifi network? I've been trying to using both the hostname and the IP address and it never resolves.

  Btw -- I've confirmed that my Arris Wifi Router is using the expected WPA2-PSK (AES) encryption.

  Yvan
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  • Hussein Taher

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  From "Cross-Compiling for the Omega" I cannot successfully build the gpioRead example
  cross compile c code gpio ugpio • • Stephen Wright

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  Same issue as most people here with the ugpio/ugpio.h error. You a major problem in continuity with your documentation and is seems like it should be an easy fix. As others have expressed, this is very irritating. Please fix

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  • Adam Brandes

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  Analysis and test of "Omega2+ Reboot Fix [Official Solution]"
  omga2+ testing reboot • • William Scott

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  @Zheng-Han I will indeed!

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  Onion is unable to talk over serial when monitored.
  serial omega2+ arduino dock 2 python • • Gabor Papp

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  @Gabor-Papp
  Dears,
  I have figured that Onion will not talk to itself, no idea why. However it is not able to read anything from the /dev/ttyS1 even tho the attached Arduino sends text to the serial port which I can see with screen command. When I loop both the read and both the sending, I can see the sent string from arduino on the onion "screen" command, although with half the rate Im sending it, but still the Onion is unable to see it. I am slowly going mad above this, please help!

  Regards,
  Cow

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  Can not SSH into omega anymore
  ssh access omega2 arduino dock 2 • • Neil Smith 0

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  Disabling Wifi Scan
  scan wifi omega2+ ap disable • • Eric Laukien

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  opkg local package installation
  opkg • • Luiz Nebenzahl

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  Hello,
  from the output of opkg --help you can see this information:

  -d <dest_name> Use <dest_name> as the the root directory for package installation, removal, upgrading. <dest_name> should be a defined dest name from the configuration file, (but can also be a directory name in a pinch).

  So, I edited my /etc/opkg.conf adding a dest name called opkg_test for /tmp folder; My etc/opkg.conf now is:

  dest root / dest ram /tmp dest opkg_test /tmp lists_dir ext /var/opkg-lists option overlay_root /overlay option check_signature 1

  Then, I've copied a package (transmission-web_2.92+git-4_mipsel_24kc.ipk) in /tmp/ to make a test, and launched opkg this way:

  opkg install -d opkg_test /tmp/transmission-web_2.92\+git-4_mipsel_24kc.ipk Installing transmission-web (2.92+git-4) to opkg_test... Configuring transmission-web.

  and if you make a find of "transmission*" on /, you can see that it's installed under /tmp/:

  root@Omega-D339:/# find / -name "transmission*" /tmp/transmission-web_2.92+git-4_mipsel_24kc.ipk /tmp/usr/share/transmission /tmp/usr/share/transmission/web/style/transmission /tmp/usr/share/transmission/web/javascript/transmission.js /tmp/usr/lib/opkg/info/transmission-web.list /tmp/usr/lib/opkg/info/transmission-web.prerm /tmp/usr/lib/opkg/info/transmission-web.postinst /tmp/usr/lib/opkg/info/transmission-web.control root@Omega-D339:/#

  To remove the package, simply run: opkg remove -d opkg_test transmission-web (it prints an error because it's looking for a file in /usr/lib/opkg/info/... but the package is correclty removed)

  Hope this helps,
  Paolo

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  Power Consumption
  power omega • • Sawyer McBride

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  Hello,
  Any news on this feature ?
  Me and my team are really interested by this.

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  Kernel Version mismatch on cross-compiling kernel modules (using onion/omega2-source docker)
  docker cross compile kernel module • • Paolo Ciuffetti

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  Update 2:

  I've found this topic from @Maximilian-Gerhardt (Thank you for your excellent guide), explaining how to build kernel module for Omega2. I've found this in his topic:

  ...
  It conveniently compiled the hello-world.ko file and even created an ipk package.
  Unfortunetly, trying to installing that package will give you a kernel mismatch error
  because the kernel hashes differ (see this link). Loading the .ko file directly will still work though.
  ...

  So, I'm able to compile the kernel modules I need (copying the .ko files in /lib/modules/4.4.74/, but the ipk still does not match.

  Any suggestions to compile ipk kernel modules for official firmware?

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  routing table won't change
  network config network network setup routing • • steve burk

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  @steve-burk I like Steve's suggestion for your own problem as it will absolutely work, but in the hope of making things needlessly complex, this is what I'd do:

  Create a shell script that is comprised of the commands you need to provision the route. In your installation script (you have one, don't you? ;^), check rc.local for a reference to the script. Insert a call to rc.local if it's not in there. Also in your install script, copy the route provisioning script to somewhere sensible, such as /usr/bin/. This directory is in the path and need not be "spelled out" in rc.local.

  Perhaps you could write a script that takes routes as a command line parameter. As such you could easily call the command multiple times from rc.local to configure multiple routes or perhaps better yet, pass along not a route but a config file path that contains the routes you desire. If the latter, you just mod the route config file and reboot - voila!

  If you're dabbling, this suggestion is overkill. If you're trending toward production, this is a bit more important and ought to be considered. Your mileage may vary.

  --Bill

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  Omega2+ Reboot Fix [Official Solution]
  omega2+ reboot • • Zheng Han

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  @William-Scott My bad - I wanted to post this in the new thread for validation. I'll copy/paste, so if you look at the other thread, this will look eerily similar.

  --Bill

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  [Onion Omega2] Direct GPIO register access problem
  gpio mmap register • • Krzysztof Skiba

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  @volkan-ünal

  Hi!

  I have already responded you on GitHub, but to keep conversation here complete, I am also copy-pasting that response (https://github.com/Patryk27/Omega2-GPIO/issues/3) here:

  I initially followed code written by the Omega team (https://github.com/OnionIoT/fast-gpio/blob/master/include/fastgpioomega2.h#L12) and I haven't really faced it with the documentation.

  I believe the reason is that later we're doing a mmap call, which has to be page-aligned (which 0x10000600 is not), but it could be also a mistake in the MT7688's documentation.

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  It seems like a bug with 0.2.0 b192
  networking routing • • steve burk

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  Serial command line authentication
  serial command line authentication • • opti-gregor

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  To make the serial port console use authentication, open the file /etc/config/system

  Edit the line that says option ttylogin '0' and change the 0 to a 1.

  Reboot the system. It will now ask you for a login on the serial port console. Default is user: root, password: onioneer

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  How to exit this program once the button has been pressed?
  omega 2+ python • • Neil Smith 0

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  Oh I forgot to mention it is an autorun program to start on boot.

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  Omega2+ out of box won't produce wifi network
  wifi fails boot loop • • Scott Jenkins

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  i'd suggest a power supply of 5V 2A minimum. usb lines from computers and/or phone chargers most of the time do not supply the current that the omega2 needs to boot up. especially at the point where the omega2 attempts to connect to a wifi router and can generally require for a brief period of time current in excess of what a usual usb line or phone charger can provide.