achmadfatoni

@startuml
' uncomment the line below if you're using computer with a retina display
' skinparam dpi 300
!define Table(name,desc) class name as "desc" << (T,#FFAAAA) >>
' we use bold for primary key
' green color for unique
' and underscore for not_null
!define primary_key(x) <b>x</b>
!define unique(x) <color:green>x</color>
!define not_null(x) <u>x</u>

achmadfatoni

Node.js Deployment

Steps to deploy a Node.js app to DigitalOcean using PM2, NGINX as a reverse proxy and an SSL from LetsEncrypt

1. Sign up for Digital Ocean

If you use the referal link below, you get $10 free (1 or 2 months) https://m.do.co/c/5424d440c63a

2. Create a droplet and log in via ssh

I will be using the root user, but would suggest creating a new user

achmadfatoni

<?php
/**
 *  It's an algorithm for generating a random permutation of a finit sequence - in plain terms, the algorithm shuffles the sequence.
 *
 *  Reference: https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
 */


function MyShuffle(&$arr) {

achmadfatoni

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.

achmadfatoni

#Steps to install latest Laravel, LEMP on AWS Ubuntu 14.4 version.
This tutorial is the improvised verision of this [tutorial on Digitalocean](https://www.digitalocean.com/community/tutorials/how-to-install-laravel-with-an-nginx-web-server-on-ubuntu-14-04) based on my experience. 

## Install PHP 7 on Ubuntu
Run the following commands in sequence. 
```
sudo apt-get install -y language-pack-en-base
sudo LC_ALL=en_US.UTF-8 add-apt-repository ppa:ondrej/php
sudo apt-get update
sudo apt-get install zip unzip