Node in small places

A look at using NodeJS on $5 Raspberry Pi Zeros. Form my talk at NYCNode Nov 2016

Transcript

1. Node in small places
   Carlos Justiniano (@cjus - github/twitter)
   

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2. About me
   • Carlos Justiniano (@cjus - github/twitter)
   • First IoT project in 2001
   • Ten years later I learned about NodeJS
   • Deployed Node applications in production since 2011
   • Chief Architect at Flywheel Sports - Note: we're hiring!
   

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3. Best tweet wins a RaspberryPi kit!
   #node-loves-pi
   #nycnode
   

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4. #node-loves-pi
   #nycnode
   

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5. Why SBCs?
   

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6. How SBCs differ from
   other computers
   

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9. Choosing an SBC
   

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11. No Wifi, no Ethernet
    Raspberry Pi Zero Raspberry Pi 3
    Uses USB based networking
    Has Ethernet, Wifi
    and Bluetooth
    and 4 USB ports
    Has two microUSB ports
    

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13. Setup!
    

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14. A bit more hardware…
    +
    

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15. Linux for SBCs
    

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18. Linux Setup
    • $ diskutil list
    • $ diskutil unmountDisk /dev/disk2
    • $ sudo dd if=./2016-05-27-raspbian-
    jessie-lite.img of=/dev/disk2
    https://goo.gl/hhJJRE
    

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19. Boot time!
    

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20. Networking
    • $ ping raspberrypi.local
    • $ ssh pi@raspberrypi.local
    • $ scp ftw pi@raspberrpi.local/home/pi
    https://goo.gl/hhJJRE
    

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21. NodeJS Setup
    https://goo.gl/hhJJRE
    

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23. $ mkdir nodejs
    $ cd nodejs/
    $ wget https://nodejs.org/dist/v6.9.1/node-v6.9.1-linux-
    armv6l.tar.xz
    $ tar -xvf node-v6.9.1-linux-armv6l.tar.xz
    $ cd node-v6.9.1-linux-armv6l/
    $ sudo cp ./bin/* /usr/local/bin
    

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24. $ cd ~
    $ node --version
    v6.9.1
    

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26. So what’s next?
    

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27. Hello World!
    

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29. –@cjus
    “Playing with single board computers is really
    cool. Getting them to communicate with one
    another is even cooler!”
    

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30. Connecting SBCs!
    • $sudo apt-get install {cool-app-name}
    • Install servers: nginx, redis, apache etc…
    • Create bots and connect with anything with a
    public API
    • Build messaging applications using rabbitmq,
    zeromq, MQTT
    

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34. It’s demo time!
    

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35. So what else
    can it do?
    

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40. We’re ready for
    another demo!
    

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42. The Hydra-Cluster is open sourced!
    https://github.com/cjus
    

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43. #node-loves-pi
    #nycnode
    @cjus
    

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