Yogendra0Sharma

The Ultimate Unit Testing Cheat-sheet

For Mocha, Chai and Sinon

using mocha/chai/sinon for node.js unit-tests? check out my utility: mocha-stirrer to easily reuse test components and mock require dependencies

---

• Sinon Chai
• Chai
• Sinon
• Mocha

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Chenthil Rajan                                                                                       318 243 1429
kchenthilrajan@gmail.com
www.github.com/kchenthilrajan

SUMMARY
  •	10+ years of experience in Software Development including Analysis, Design, Development
  	and Testing of various applications in Java/J2EE environment.
  •	Experience in Functional and Object Oriented Programming style of Javascript.
  •	Clear understanding of prototype chaining, closure and scope with respect to Javascript.
  •	Got good exposure to UI design using Adobe Photoshop, Adobe Illustrator, Performed slicing

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Reference: https://medium.com/@gargar454/deploy-a-mongodb-cluster-in-steps-9-using-docker-49205e231319#.ff9lbtdl9
this post talks about 3 Nodes，Mongodb 2.6.5. In order to use mongo 3.0, a few changes has been made. Assume using root

1. First we need 2 servers with docker installed

1.1 recommend use Ubuntu 14.04 on aliyun, then install daocloud for docker installation and monitoring

curl -sSL https://get.daocloud.io/docker | sh

1.2 install daocloud monitoring program

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# Setup local MongoDB Replica Set for development.

DB_ROOT ?= /tmp
DB1_PATH ?= ${DB_ROOT}/db1
DB2_PATH ?= ${DB_ROOT}/db2
DB3_PATH ?= ${DB_ROOT}/db3
DB1_PORT ?= 30000
DB2_PORT ?= 40000
DB3_PORT ?= 50000

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Amazon ec2 LAMP and FTP installation and setup

Tutorial: Installing a LAMP Web Server on Amazon Linux

Go through this amazon link http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-LAMP.html

Associate and Elastic IP address to your EC2 instance.

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building your first node module

This is pretty simple, lets dive in!

choose a name

Find a name that isn't taken and clearly describes what your module is doing

$ npm view your-first-node-module

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Getting Started with NPM (as a developer)

If you haven't already set your NPM author info, now you should:

npm set init.author.name "Your Name"
npm set init.author.email "you@example.com"
npm set init.author.url "http://yourblog.com"

npm adduser

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#!/bin/bash
echo "--------------------------------------------------------------------------------------------"
echo "Installing Predis on Ubuntu 16.04"
echo "Read more: https://github.com/nrk/predis"
echo "Author: Ralf Rottmann | @ralf | http://rottmann.net"
echo "--------------------------------------------------------------------------------------------"
PHP_CONF_DIR="/etc/php/7.0/apache2/conf.d"
echo "Checking prerequisites..."
echo "Git available?"
[ ! -s /usr/bin/git ] && sudo apt-get -q -y install git || echo "Git already installed."

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How to setup Let's Encrypt for Nginx on Ubuntu 16.04 (including IPv6, HTTP/2 and A+ SLL rating)

There are two main modes to run the Let's Encrypt client (called Certbot):

• Standalone: replaces the webserver to respond to ACME challenges
• Webroot: needs your webserver to serve challenges from a known folder.

Webroot is better because it doesn't need to replace Nginx (to bind to port 80).

In the following, we're setting up mydomain.com. HTML is served from /var/www/mydomain, and challenges are served from /var/www/letsencrypt.

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Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm