Dinuka Salwathura dinukasal

## spark_pi_cluster.md

      
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                dinukasal
                / spark_pi_cluster.md
            
            
              Created
              November 8, 2017 16:34
                — forked from datalove/spark_pi_cluster.md
            
              
                Getting Spark up and running on RPi
              
          
    Before starting


Download Spark 1.4 to your local machine (laptop, or PC)
Go to 192.168.1.1 to get local IPs for newly connected RPis

Configure each Raspberry Pi

Log into the new Raspberry Pi from your machine


ssh pi@192.168.1.XXX (default password for pi user is raspberry)


## curl_example.cpp
#include <iostream>
#include <string>
#include <curl/curl.h>


static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
    ((std::string*)userp)->append((char*)contents, size * nmemb);
    return size * nmemb;
}

## index.html
<!doctype html>
<html>
<head>
    <meta charset="UTF-8">
    <title>AWS IoT Pub/Sub Demo</title>
</head>
<body>
    <h1>AWS IoT Pub/Sub Demo</h1>
    <form>
        <button type="button" id="connect">connect!</button>
	#include <iostream>
	#include <string>
	#include <curl/curl.h>


	static size_t WriteCallback(void contents, size_t size, size_t nmemb, void userp)
	{
	((std::string)userp)->append((char)contents, size * nmemb);
	return size * nmemb;
	}
	<!doctype html>
	<html>
	<head>
	<meta charset="UTF-8">
	<title>AWS IoT Pub/Sub Demo</title>
	</head>
	<body>
	<h1>AWS IoT Pub/Sub Demo</h1>
	<form>
	<button type="button" id="connect">connect!</button>