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Responsive Menu Tutorial for HTML Web Pages, No JQuery

Posted on: June 29, 2015

HTML Menu Bar Which Switches to Dropdown for Mobile For a web site to be successful it must tick several boxes. It needs an attractive design, great content, no pop-ups, not throw to many advertisements at visitors and work well on a variety of screen sizes. The last point is important…


Posted on: June 29, 2015

Show PHP Settings with phpinfo and Example PHP $_SERVER Display Page

Posted on: June 20, 2015

View PHP Environment Configuration Settings and Superglobals on a Page PHP is a great computer and web site scripting language and extremely popular. It is used primarily for developing interactive web sites and many use it for day-to-day programming tasks. There are several versions in general use and sometimes the configuration…

Unzip File on VPS? How to Extract a Zip File on a Linux VPS

Posted on: April 24, 2015

Tutorial to Upload and Extract a Zip File from Windows to a CentOS VPS On Linux files are normally compressed individually to create a .gzip version using the gzip utility. Or several files are collected into a Tape Archive, .tar, which is an uncompressed collection of files created using the tar utility. A…

Encrypt Decrypt of a String in C# .NET

Posted on: April 20, 2015

C# Encryption and Decryption of a String With a Simple Function Call Cryptography is a big subject area and extremely important for modern software and programs. If you are writing any type of software you need an understanding of software security and methods to keep data, code and users secure.…

PHP on Windows Using WebMatrix Single Click Install

Posted on: February 21, 2015

Running PHP to Test Websites on Windows PCs PHP is a programming language that is popular for for adding powerful features to websites. What does PHP mean? PHP originally stood for Personal Home Page (after its inventor, Rasmus Lerdorf, wanted more features for his personal website), but now it stands for PHP Hypertext…


Posted on: February 21, 2015

Develop a Website on Windows Using Microsoft WebMatrix

Posted on: February 18, 2015

Create a Free Website Online Using WebMatrix, Azure and Microsoft Windows If you have a Windows laptop or desktop computer you can get started with website development with free Microsoft tools. One of several free software tools that Microsoft provides is WebMatrix. This contains a HTML editor in an Integrated Development Environment…

CentOS 6 to CentOS 7 Upgrade Using Red Hat Upgrade Tool

Posted on: January 26, 2015

CentOS 7 Supports In-Place Upgrading from CentOS 6.x for 64-bit Versions This article covers upgrading a minimal CentOS 6.x system to CentOS 7. CentOS is a popular GNU/Linux OS for servers (including web servers) and workstations. Popular because it is a community based version of RHEL. CentOS is often an OS…

SSH Root Login Disable for CentOS VPS Improved Security

Posted on: July 7, 2014

Help Harden CentOS by Stopping SSH Root Logins Here are the steps to disable SSH root access: Create an alternative user for SSH access. Make the new user a sudoer. Test the new user's SSH login. If login is successful prevent SSH login for root. Optionally limit which users can use SSH…

Android Bitmap Loading for Efficient Memory Usage

Posted on: June 10, 2014

Load a Bitmap from Resources Correctly When handling bitmaps it is not long before Android developers come across the error "java.lang.OutOfMemoryError: bitmap size exceeds VM budget". This usually occurs when the bitmaps are large (several megabytes uncompressed),  or running the code on older devices, or trying to load lots of…

Change SSH Port from Default for CentOS Security Improvement

Posted on: June 2, 2014

Help Harden a CentOS Server, Change SSH Port from Default Port Number 22 Edit the SSH configuration file to modify SSH port number. The configuration file is sshd_config. Adding Port XXXX where XXXX is the required port number. Then update SELinux and iptables. This is done to help harden CentOS against the less skilled hackers.…

CentOS Version Command and Update CentOS to New Version

Posted on: April 11, 2014

View the CentOS Version and Update with Shell Commands CentOS is a popular Linux Operating System for enterprise computing, web servers and Virtual Private Servers. In this article: View CentOS version Check if CentOS is 64-bit or 32-bit View the Centos server Name View CentOS kernel version View list of…

New User for CentOS VPS Created Using SSH

Posted on: February 3, 2014

Create a New User CentOS Account on a VPS A tutorial to add a user using SSH to access a CentOS VPS (the method applies to other Linux versions). In summary the steps are: Use useradd to add the new user. Use passwd to create the user's password. Use visudo to make the user…

Comment Spam Reduction from Rename of WordPress wp-comments-post.php

Posted on: November 12, 2013

Renaming WordPress wp-comments-post.php File May Reduce Spam Comments Allowing comments on a WordPress post is a way of engaging users and helps with encouraging repeat visits. However, there are far to many malicious web sites that want to use the WordPress comments feature to post links to themselves. This is…