As a webmaster chances are you will wind up managing a Linux box or two in your time – and when you do you’ll be happy you learned these tricks. [divider3 text=”The Bash Shell”] How To Copy, Move, and Delete Files on Linux Servers A straightforward tutorial that should get you through most of the […]
Tag Archives: tutorial
HTML / CSS / JAVASCRIPT Tutorials
Getting Started with HTML HTML is the basic language used to create web pages. In fact the majority of what you see right now, on your screen, was created through the use of HTML. The tutorials listed within this section will help you get a grasp on some of the key basics of HTML programming; […]
PHP/MySQL File Upload – Error Checking
A while back I had written a PHP/MySQL tutorial discussing how to upload an image to your server, and store the information about that uploaded image into your MySQL database. That tutorial covered really only the basics, and I knew that eventually someone would post a comment asking about some more advanced features – such as […]
Creating a Dot Matrix World Map
I’m sure you have seen those dotted world maps that are utilized across dozens of business based websites these days. This Photoshop tutorial will show you how to quickly and easily create the same effect for yourself.
Performing A Make-Over Via Photoshop’s Soft Light Blend Mode
I have previously briefly touched upon working with colors inside a photo in order to change a persons hair color or eye color. This tutorial expands a little bit upon the previous one
A Simple Night Sky
Throughout this Adobe Photoshop tutorial we will go over how to create a very simple starscape look. Start off by creating a blank canvas at any size you wish to use. For the purposes of this Photoshop tutorial I went ahead and created one that is 800×800 pixels. Next fill the background with black, so […]
What is On-Page SEO?
Most first time webmasters launch their website and immediately start worrying about generating backlinks and increasing their ranking in search engines, however many miss the first and most important step – On-Page SEO. On-Page SEO defines how search engines will view and list your website. This starts from your core meta and open graph tags, […]
Need a Job? Open Source Coding with Google Summer of Code
Google Summer of Code is a global program that offers post-secondary student developers ages 18 and older stipends to write code for various open source software projects. Over the past eight years more than 6,000 students have “graduated” from Google’s Summer of Code program, working with almost 400 different open source projects. Students who are accepted […]
Prevent Hacking Attempts; Keep Your Scripts Up To Date
A client of mine recently contacted me, and frantically proceeded to explain to me how his hosting company contacted him stating their server had been hacked through an out-dated WordPress install they had kept on it. To make matters worse, the host did not have a recent file backup available – great. I was in […]
Basic PHP Template System
PHP has many different template solutions, and the beauty of them all is how simple it makes maintaining and changing your website. Back in the day when everything was handled with static HTML files – if you needed to add a new link to your main menu – you found yourself editing dozens if not […]
How PHP Functions Work
A PHP function is merely a block of code that can be defined once and then reused throughout various other parts of your script/program. Typically, a function takes an argument, or a series of arguments, and performs a predefined set of operations on them – returning a value as a result. With PHP functions, code […]
The PHP Ternary Operator
PHP has plenty of different operators, the majority of them being either unary or binary operators. A unary operator, such as !, performs its operations on just one single value. A binary operator, such as =, is used to perform an operation on two operads. So following the naming logic you’ve probably already figured out […]
HTACCESS Tutorials
Welcome to the .htaccess tutorials section of the Rapid Purple blog. The following tutorials are aimed to give you an introduction to creating and working with an .htaccess file; along with a few useful tips and tricks every webmaster should be familiar with. Creating An .HTACCESS File First things first. Before you can start using […]
Denying Site Access
Denying and allowing access to your website can be accomplished very easily with .htaccess. In order to block an IP address you would use the following command within your .htaccess file: deny from 000.000.000.000 Replace 000.000.000.000 with the IP address you wish to block. If you only specify one or two groups of the numbers you […]
File Upload via PHP/MySQL
As per the request of Spaculus I have decided to put together a tutorial discussing how to upload an image to your server, and store the information about that uploaded image into your MySQL database. This is a function that can often come in handy when developing a user membership system with avatar support, or a […]
Escaping Characters and Variable Expansion
Escaping characters is basic, but essential to an error-free PHP script. Consider the following sentence for example: Mike’s uncle said, “Isn’t that cool?” Now if we attempt to use PHP to echo this sentence to the browser, those quotes and apostrophes will cause some problems. The quotes and apostrophes inside the string are confused for […]
Server Security: Processes and How to Terminate Them
Since Linux is a multi-tasking system, in which many different programs or program threads may be running simultaneously, Linux keeps track of all individual tasks and processes – much like the Task Manager within Windows. Although these processes are usually well-behaved and well-managed by Linux itself – it’s always helpful to be able to know […]
Trojan Port List
Following the recent breach of the popular hosting company, ServerPro, the internet is back to buzzing about trojans and server ports, which it should be. It never should have stopped in the first place. With that in mind – comes this list – listing the majority of the more popular known trojans, and the ports […]
Server Security: Turn Off rwhod
The rwhod daemon is a process that allows a remote user to see who is logged into your system. The client program is rwho. It has many of the same security problems as the finger daemon. For a crack,er use of rwho could allow him to watch for times on your system when nobody is […]
The BASH Shell: Pipelines
Pipelines are a great way to string together a series of commands. This means that the output from the first command in the pipeline is used as the input for the second command in the pipeline. The output from the second command in the pipeline is used as the input to the third command in […]