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/* This can be used if the table doesn't have an existing Primary Key */

SELECT  @s:=@s+1 as id, <table-name>.*  from <table-name>, (SELECT @s:= 0) as s;

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var mongo = require('mongodb');
var monk = require('monk');
var Promise = require('bluebird');

/* DB connection */
var dbName = '' 
var db = monk('localhost:27017/'+dbName);

/* replace <collection-name> with your collection*/
var collection = db.get(<collection-name>);

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iptables -A INPUT -p tcp -s localhost --dport 27017 -j ACCEPT
iptables -A INPUT -p tcp --dport 27017 -j REJECT

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/* dumping a particular collection */
mongodump --host 127.0.0.1 --port 27017 --out <backup-path> --db '<db-name>' --collection '<collection-name>'

/* dumping the entire DB */
mongodump --host 127.0.0.1 --port 27017 --out <backup-path> --db <db-name>

/* restoring backup/dump */
mongorestore --host 127.0.0.1  --port 27017  <backup-path>

dineshsprabu

/* 
Bring up the selenium webdriver server using below command 
phantomjs --proxy=104.131.57.228:8090 --proxy-type=http  --webdriver=8543 
The value in --webdriver is the port binded on wd server
*/

var webdriver = require('selenium-webdriver');

var browser = webdriver.Capabilities.phantomjs();
browser.set('phantomjs.page.settings.userAgent', "Mozilla");

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/*
Make sure you have scree on your server using screen --version
if not, install using 'sudo apt-get install screen'.
Make sure you have phantomjs installed and accessible on the path 
'/usr/bin/phantomjs'.
*/

screen -dmS test bash -c '/usr/bin/phantomjs -w ; exec bash'

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cd ~

/* Below is the direct download link for compiled binary */
wget https://github.com/Pyppe/phantomjs2.0-ubuntu14.04x64/raw/master/bin/phantomjs

/* Making PhantomJS accessible */
mv ~/phantomjs /usr/local/share/phantomjs
ln -s /usr/local/share/phantomjs /usr/local/bin/phantomjs
ln -s /usr/local/share/phantomjs /usr/bin/phantomjs

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/* 
Make sure you install phantomjs 2.0 which is really stable
Follow the below link for instructions to install it,
https://gist.github.com/dineshsprabu/543de6b41a7597967ea7
*/

>> vi /usr/bin/runphantom.sh

#!/bin/bash
bash -c '/usr/bin/phantomjs -w ; exec bash' &

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var net = require('net');
var Promise = require('bluebird');

function checkConnection(host, port, timeout) {
    return new Promise(function(resolve, reject) {
        timeout = timeout || 10000;     // default of 10 seconds
        var timer = setTimeout(function() {
            reject("timeout");
            socket.end();
        }, timeout);

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/* npm install events */
var EventEmitter = require('events').EventEmitter;

/* creating an event emitter object */
var eventObj = new EventEmitter();

/* making it to listen for the event (catchme) with resulting action (console.log) */
eventObj.on('catchme', function(){
	console.log(" You Catched Me! ");
});