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DigitalOcean Community Blog:
How To Set Up a Two Node LEPP Stack on CentOS 7
March 25, 2015 @ 11:52:30

On the DigitalOcean community blog they've posted a guide to setting up a LEPP server (Linux, Nginx, PHP and PostgreSQL) on a CentOS 7 instance (not specific to their own platform either, can be applied anywhere).

In this tutorial, we will create a simple web application in a two-tier architecture. Our base operating system for both nodes will be CentOS 7. The site will be powered by an Nginx web server running PHP code that talks to a PostgreSQL database. Instead of adopting a "top-down" approach seen in other LAMP or LEMP tutorials, we will use a "ground-up" approach: we will create a database tier first, then the web server and then see how the web server can connect to the database. We will call this configuration a LEPP (Linux, Nginx, PHP, PostgreSQL) stack.

They create a two-tier setup that involves the use of two CentOS systems (with examples from their own hosting options) and walk you through:

  • Installing PostgreSQL
  • Configuring PostgreSQL
  • Updating the Database Server Firewall
  • Creating and Populating the Database
  • Installing Nginx
  • Updating the Web Server Firewall
  • Configuring Nginx
  • Installing PHP
  • Configuring PHP
  • Creating the Web Application

It seems like a lot of steps but all of the necessary commands and configuration updates are included in each step so it's basically a copy and paste kind of walk-through.

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tutorial centos leep linux nginx php postgresql walkthrough

Link: https://www.digitalocean.com/community/tutorials/how-to-set-up-a-two-node-lepp-stack-on-centos-7

Three Devs & A Maybe Podcast:
Functional Programming with Simon Holywell
July 23, 2014 @ 11:03:45

Three Devs & A Maybe podcast has released their latest episode today: Episode #35 - an interview with Simon Holywell. Simon is the author of an upcoming book about functional programming in PHP.

This week we are lucky to have Simon Holywell on the show to talk all things Functional Programming. Initially starting off with a concrete definition of Functional Programming, we move on to a brief history of the paradigm and immutability. Following this we explain recursion (and tail-recursion), along with closures and higher-order functions. From this base we are able to then talk about the different languages available to you which cater towards the functional mindset (i.e. Haskell). We then set our sights on the PHP language and what/wish it had to offer when exploring the functional paradigm. Finally, we mention his upcoming book, along with experiences presenting at user-group meet-ups.

Topics mentioned in this episode include:

You can listen to this latest episode either through the in-page player or by downloading the mp3 directly.

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threedevsandamaybe podcast ep35 simonholywell functional php

Link: http://threedevsandamaybe.com/posts/functional-programming-with-simon-holywell/

NetTuts.com:
So You Want to Accept Credit Cards Online?
June 14, 2012 @ 09:30:25

On NetTuts.com they're posted a new tutorial about using the Stripe service to accept credit cards on your site. Thanks to some handy libraries they provide, integration is a relatively simple process.

Until recently, accepting credit cards on a website was expensive and complicated. But that was before Stripe: a radically different and insanely awesome credit card processing company. Today, I'll show you how to start accepting cards in 30 minutes or less - without spending a dime.

They step you through the whole process you'll need to get the full flow set up:

  • Install an SSL Certificate (on your server)
  • Create an Account
  • Create Your Payment Form
  • Collect The Form Values
  • Request a Token
  • Create a Server-Side Script

Screenshots of the Stripe interface, HTML, Javascript and PHP code are all included - everything you need to make the simple card handling work. One of the keys to how Stripe deals with credit cards is that you provide it the card info, it gives you a token. Your app uses this to work with the card instead of storing the card information in your database (also making it more secure).

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creditcard stripe tutorial processing javascript html php library


NETTUTS.com:
Tools of the Trade Web Development Frameworks that the Pros Use
December 18, 2009 @ 08:15:56

New from NETTUTS.com today there's a new article listing out some of the tools of the trade, the frameworks that web development professionals use (and not just with PHP).

New web development frameworks, promising rapid development and easy deployment, are sprouting out at a more rapid pace than you can keep up. In the last article, we looked at the various factors you'd have to consider when deciding on a framework. Today, we are going to look at the various frameworks available for each facet of web development.

PHP tools that made the list include CakePHP, the Zend Framework, Kohana and Symfony. Frameworks from some of the other languages include ASP.NET, Ruby on Rails, jQuery and Blueprint.

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framework php ruby javascript asp css



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