From the Canyon Edge -- :-Dustin

Tuesday, January 20, 2015

Snappy Ubuntu for Devices -- The Year of the Linux Countertop!


Forget about The Year of the Linux Desktop...This is The Year of the Linux Countertop!

I'm talking about Linux on every form of Internet-connected embedded devices.  The Internet-of-Things is already upon us.  Sensors, smart watches, TVs, thermostats, security cameras, drones, printers, routers, switches, robots -- you name it.  

And with that backdrop, we are thrilled to introduce Snappy Ubuntu for Devices.  Ubuntu is now a possibility, on almost any device, anywhere.  Now that's exciting!

This is the same Snappy Ubuntu, with its atomic, transactional updates that we launched on each major public cloud last month -- extended and updated for 64-bit Intel, AMD and ARM devices.


Now, if you want a detailed, developer's look at building a Snappy Ubuntu image and running it on a BeagleBone, you're in luck!  I shot this little instructional video (using Cheese, GTK-RecordMyDesktop, and OpenShot).  Enjoy!


A transcript of the video follows...


  1. What is Snappy Ubuntu?
    • A few weeks ago, we introduced a new flavor of Ubuntu that we call “Snappy” -- an atomically, transactionally updated Operating System -- and showed how to launch, update, rollback, and install apps in cloud instances of Snappy Ubuntu in Amazon EC2, Microsoft Azure, and Google Compute Engine public clouds.
    • And now we’re showing how that same Snappy Ubuntu experience is the perfect operating system for today’s Cambrian Explosion of smart devices that some people are calling “the Internet of Things”!
    • Snappy Ubuntu Core bundles only the essentials of a modern, appstore powered Linux OS stack and hence leaves room both in size as well as flexibility to build, maintain and monetize very own device solution without having to care about the overhead of inventing and maintaining your own OS and tools from scratch. Snappy Ubuntu Core comes right in time for you to put your very own stake into stake into still unconquered worlds of things
    • We think you’ll love Snappy on your smart devices for many of the same reasons that there are already millions of Ubuntu machine instances in hundreds of public and private clouds, as well as the millions of your own Ubuntu desktops, tablets, and phones!
  2. Unboxing the BeagleBone
    • Our target hardware for this Snappy Ubuntu demo is the BeagleBone Black -- an inexpensive, open platform for hardware and software developers.
    • I paid $55 for the board, and $8 for a USB to TTL Serial Cable
    • The board is about the size of a credit card, has a 1GHz ARM Cortex A8 processor, 512MB RAM, and on board ethernet.
    • While Snappy Ubuntu will run on most any armhf or amd64 hardware (including the Intel NUC), the BeagleBone is perhaps the most developer friendly solution.
  3. The easiest way to get your Snappy Ubuntu running on your Beaglebone
    • The world of Devices has so many opportunities that it won’t be possible to give everyone the perfect vertical stack centrally. Hence Canonical is trying to enable all of you and provide you with the elements that get you started doing your innovation as quickly as possible. Since there will be many devices that won’t need a screen and input devices, we have developed “webdm”. webdm gives you the ability to manage your snappy device and consume apps without any development effort.
    • To installl you simply download our prebuilt WEB .img and dd it to your sd card.
    • After that all you ahve to do is to connect your beaglebone to a DHCP enabled local network and power it on.
    • After 1-2 minutes you go to http://webdm.local:8080 and can get onto installing apps from the snappy appstore without any further effort
    • Of course, we are still in beta and will continue give you more features and a greater experience over time; we will not only make the UI better, but also work on various customization options that allow you to deliver your own app store powered product without investing your development resources in something that already got solved.
  4. Downloading Snappy and writing to an sdcard
    • Now we’re going to build a Snappy Ubuntu image to run on our device.
    • Soon, we’ll publish a library of Snappy Ubuntu images for many popular devices, but for this demo, we’re going to roll our own using the tool, ubuntu-device-flash.
    • ls -halF mysnappy.img
    • sudo dd if=mysnappy.img of=/dev/mmblk0 bs=1M oflag=dsync
  5. Hooking up the BeagleBone
    • Insert the microsd card
    • Network cable
    • USB debug
    • Power/USB
  6. Booting Snappy and command line experience
    • Okay, so we’re ready for our first boot of Snappy!
    • Let’s attach to the USB/serial console using screen
    • Now, I’ll attach the power, and if you watch very carefully, you might get to see some a few boot messages.
    • snappy help
    • ifconfig
    • ssh ubuntu@10.0.0.105
  7. WebDM experience
    • snappy info
    • Shows we have the webdm framework installed
    • point browser to http://10.0.0.105:8080
    • Configuration
    • Store
  8. Conclusion
    • Hey how cool is that!  Snappy Ubuntu running on devices :-)
    • I’ve spent plenty of time and money geeking out over my Nest and Dropcam and Netatmo and WeMo lightswitches, playing with their APIs and hooking them up to If-This-Then-That.
    • But I’m really excited about a world where those types of devices are as accessible to me as my Ubuntu servers and desktops!
    • And from what I’ve shown you here, with THIS, I think we can safely say that that we’ve blown right past the year of the Linux desktop.
    • This is the year of the Linux countertop!

Cheers,
Dustin

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Thanks,
:-Dustin

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