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Installing Apache, MySQL, and PHP
Illustration by Don Barnett
Watching:

Understanding Apache, MySQL, and PHP


From:

Installing Apache, MySQL, and PHP

with David Gassner

Video: Understanding Apache, MySQL, and PHP

If you're new to the world of Apache, MySQL and PHP, or if you're trying to figure out what's the best way to install these software products on your local disk, it's worth taking a few moments to review how these software products work together to support a web application. Web-based applications are sometimes known as multi-tier applications, that's because they're built with multiple software products or multiple tiers. There are four major tiers in a web application: the client, the web tier, the business tier and the data tier.
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  1. 17m 35s
    1. Welcome
      1m 9s
    2. Understanding Apache, MySQL, and PHP
      7m 12s
    3. Using the exercise files
      1m 7s
    4. What's new in this update
      3m 35s
    5. Choosing a software stack
      4m 32s
  2. 30m 18s
    1. Installing Apache HTTP Server 2.4 on Windows
      6m 51s
    2. Installing PHP 5.5 on Windows
      4m 12s
    3. Starting Apache from the command line
      5m 24s
    4. Installing MySQL on Windows
      7m 24s
    5. Installing phpMyAdmin on Windows
      6m 27s
  3. 44m 5s
    1. Activating Apache on Leopard and Snow Leopard
      3m 35s
    2. Activating Apache on Lion
      5m 9s
    3. Activating Apache on Mountain Lion and Mavericks
      4m 57s
    4. Configuring personal site folders on Mountain Lion and Mavericks
      6m 59s
    5. Activating PHP on Mac OS X
      6m 12s
    6. Installing MySQL on Mac OS X
      3m 59s
    7. Setting the root user password
      2m 28s
    8. Installing phpMyAdmin on Mac OS X
      6m 16s
    9. Uninstalling MySQL on Mac OS X
      4m 30s
  4. 14m 35s
    1. Installing WampServer
      6m 25s
    2. Managing WampServer
      2m 2s
    3. Defining directory aliases through WampServer
      2m 55s
    4. Changing software versions with WampServer add-ons
      3m 13s
  5. 10m 58s
    1. Installing MAMP
      4m 6s
    2. Configuring Apache and MySQL server ports
      1m 57s
    3. Managing MAMP
      4m 55s
  6. 29m 3s
    1. Installing XAMPP for Windows
      10m 0s
    2. Managing XAMPP for Windows
      4m 4s
    3. Managing MySQL security through XAMPP for Windows
      2m 40s
    4. Installing XAMPP for Mac OS X
      6m 14s
    5. Managing XAMPP for Mac OS X
      2m 27s
    6. Managing MySQL security through XAMPP
      3m 38s
  7. 13m 20s
    1. Installing BitNami for Windows
      6m 31s
    2. Installing BitNami for Mac OS X
      6m 49s
  8. 18m 49s
    1. Handling port conflicts with Skype on Windows
      2m 37s
    2. Handling other port conflicts on Windows
      5m 19s
    3. Detecting and handling port conflicts on Mac OS X
      6m 26s
    4. Configuring Apache to work with IPv6 on Windows 8
      4m 27s
  9. 31s
    1. Goodbye
      31s

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Installing Apache, MySQL, and PHP
2h 59m Intermediate Jan 21, 2011 Updated Mar 28, 2014

Viewers: in countries Watching now:

Installing Apache, MySQL, and PHP with David Gassner describes how to install and configure Apache HTTP server, MySQL database server, and PHP, known as the AMP stack, on a local development computer. Chapters are devoted to multiple installation approaches: installing the components separately on both Windows and Mac (including coverage of Apache and PHP on Mac OS X 10.7 Lion and 10.8 Mountain Lion), installing the pre-packaged Apache and MySQL distributions in WampServer on Windows and MAMP on Mac, and installing the cross-platform XAMPP and Bitnami on both Mac and Windows. Exercise files are included with the course.

This course was updated on 07/06/2012.

Topics include:
  • Performing Apache, PHP, and MySQL as separate installs
  • Activating Apache and PHP on Leopard, Snow Leopard, and Lion
  • Setting the MySQL root user password
  • Installing WampServer
  • Changing software versions with WampServer add-ons
  • Installing MAMP
  • Configuring MAMP's Apache and MySQL server ports
  • Installing XAMPP for Windows and Mac
  • Managing MySQL security through XAMPP
  • Installing Bitnami for Windows and Mac
  • Detecting and handling port conflicts
  • Working with Apache and IPV6 in Windows 8
Subjects:
Developer Web Servers Databases
Software:
MySQL PHP HTTP Server Apache HTTP Server
Author:
David Gassner

Understanding Apache, MySQL, and PHP

If you're new to the world of Apache, MySQL and PHP, or if you're trying to figure out what's the best way to install these software products on your local disk, it's worth taking a few moments to review how these software products work together to support a web application. Web-based applications are sometimes known as multi-tier applications, that's because they're built with multiple software products or multiple tiers. There are four major tiers in a web application: the client, the web tier, the business tier and the data tier.

The client tier is a web browser. The browser software is installed on your local computer whether that'd be a desktop or a laptop computer, or a mobile device such as a smartphone or a tablet. The job of the browser is to send requests to the server and then to receive and render HTML, images and cascading style sheets. All modern web browsers can execute client-side code. They can all execute JavaScript and if they support the feature, they can also execute code supported by plug-ins such as Flash Player, Silverlight or Java.

All of the other tiers of a web application go into the server environment and taken together, they are known as the server stack. There are three server tiers. The web tier is the HTTP server. It receives requests from the client and returns responses. The HTTP server dispatches requests to the business tier, an application server, and the application server interacts with the data tier, the database server. In the world of Apache, MySQL and PHP, these roles are filled by Apache in the web tier, PHP in the business tier and MySQL in the data tier.

As a web application developer, you will find it useful to be able to install these software products locally, so that you can develop and test your code before you upload it to a production server. There are a number of ways of doing this. One approach is to install each element of the AMP stack individually. You'll be able to download all the software you need for free from these web sites at Apache, PHP and MySQL. On Mac OS X, Apache and PHP are already included, you just need to activate them, and then you install MySQL separately.

On Windows, you will install all of the components separately. And in later videos of this series, I'll show you how to do this on each of these operating systems. As of the time of this recording, it's very easy to install PHP 5.3 with Apache, but if you want to move to the newest version of PHP, 5.4, you'll find it takes a little bit more work. In this version of the course, I primarily focus on PHP 5.3 and offer some tips about 5.4 where they're available.

One of the advantages of installing these software products individually is that if you need to upgrade one element, you won't need to uninstall the others. When you use the integrated software bundles I'll describe next, most of the time you'll find that in order to change your software, you have to uninstall everything and reinstall everything. Individual components give you more control. The advantage though of the AMP software bundles is that they're very easy to install and get started with. All of the software bundles that I'll describe here are free to download and easy to set up.

If you're a Windows developer, you might consider WampServer, and if you're a Mac developer, you might look at MAMP. These are the software bundles that I typically use in my courses that involve PHP, MySQL and Apache. There are other bundles available too and they each have their own benefits. These three software bundles are available for multiple operating systems; Windows, Mac and Linux. There is XAMPP, spelled with an X, BitNami and Zend Server Community Edition.

When you choose an AMP distribution, it's good to know some of the benefits of each. For example WampServer and XAMPP both install by default using the standard ports for Apache and MySQL. If you're working with MySQL and PHP, using Dreamweaver for example, you'll find that you have to use port 3306 with MySQL and if you use an alternative port, Dreamweaver won't be able to connect to that database. WampServer and XAMPP set up these software products exactly how Dreamweaver would expect them to be set up and also how they are set up in a production environment typically.

MAMP, on the other hand, by default uses alternative ports. This gives you the advantage on Mac of being able to run side-by-side with the versions of Apache and PHP that are included in the operating system. But MAMP also makes it very easy to reset to the standard ports, port 80 and 3306. BitNami has distributions that include common PHP applications such as WordPress, Drupal, and Joomla! and many others. If your goal is to get started with one of these content management systems, you'll find that BitNami provides a very easy road forward.

Also BitNami, uniquely among all of these bundles as of the time of this recording, offers versions that integrate PHP 5.4. These versions, again at this moment, are available only for development and not for production. But if you want to get started with PHP 5.4, BitNami offers a very easy path. One of the most important things to consider is that you can only have one copy of each software product running on each port at a time.

You could have more than one copy of MySQL running, but only one can listen on port 3306, and only one copy of Apache can be listening on port 80. So it's a good idea to choose one approach and then stick with that approach on each individual computer. Particularly on Windows, installing both an AMP bundle and the separate components can cause a lot of problems. You'll find that sometimes you will get DLL conflicts, different versions of a particular component that conflict with each other and prevent one or both of these software components from starting up at all.

So on Windows, install the separate components or an AMP bundle, but not both. And finally, if you install two AMP bundles on a single computer, make sure you deactivate the first before you start up the second. There are some combinations of these software bundles that can be installed side-by-side, for example MAMP and the included components of Mac OS X as long as they're listening on different ports. But if you want to make sure that your software is going to run the first time every time, install one of these bundles and stick with that bundle and don't install anything else on that particular computer.

Find answers to the most frequently asked questions about Installing Apache, MySQL, and PHP.


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Q: I followed the procedure in the "Installing XAMP for Windows" video, but 1) I got no text file popup after install, and 2) the Admin button does not bring up phpMyAdmin page. Nothing happens even though the Running button is green.

A: The text window not popping up after the installation is just a difference in the installation flow; it shouldn't cause any functional problems.

The issue around phpMyAdmin not opening correctly from the Xampp Control Panel has come up before. There is a bug in the newest version of Xampp for Windows (version 1.7.4) that affects the Control Panel. After starting the Control Panel, and then starting both Apache and MySQL, clicking the MySQL Admin button doesn't open the browser to the phpMyAdmin as expected. However, both MySQL and phpMyAdmin are working correctly.

Follow these steps instead:
  1. Click the Admin button next to Apache to open the Xampp home page in the browser.
  2. Click phpMyAdmin under the Tools section of the menu on the left side of the page.
phpMyAdmin should open correctly. From that point, you should be able to manage your database.
Q: I'm using TextWrangler on the Mac to uncomment the following line in the httpd.conf file, as shown in the video "Activating PHP with the included Apache server" in Chapter 2:

LoadModule php5_module libexec/apache2/libphp5.so

When I try to save the changes, I get the message "Error code: -5000". What's going wrong?
A: This is a common issue with the latest version of TextWrangler. Here's another way of editing the file with a command line editor named Pico that's included in Mac OS X. Remember, most text editors don't give you the ability to edit files as the "root user", and you need those rights to edit the httpd.conf file.

Unlike TextWrangler, Pico doesn't accept mouse input, so you have to do everything with the keyboard:
  1. Open Terminal from /Applications/Utilities/Terminal.
  2. Type sudo pico /private/etc/apache2/httpd.conf.
  3. Type your password and press Return.
  4. Press Ctrl+W for 'Where is'.
  5. Type 'php' and press Return. You should find the commented-out line with php5_module
  6. Delete the '#' at the beginning of the line.
  7. Press Ctrl+X for 'Exit'.
  8. Press Y for 'Yes'.
  9. Press Return to save and exit
We recommend also using Pico to edit the php.ini file.
Q: After downloading XAMPP I was unable to start Apache from the control panel. MySQL started fine. When I click the Start button next to Apache it looks like it starts and then stops. Here is the output:

Busy
Apache Started (Port 80)

The MySQL button says "running" with a stop button; the Apache button still? says start no matter how many time I click it.
A: This usually means that another program is using Port 80 (the port that Apache needs). Port 80 is used for any web server, so you either have another web server running or you're running something else (usually Skype) that is using Port 80.

If you're running Skype (and this is really common), you need to configure it to use a different port. If it's not Skype, it may be that you're running another web server or IIS (Microsoft Internet Information Server, the web server that comes with Windows), which you'll need to quit.
Q: This course was updated on 07/06/2012. What changed?
A: A few of the WampServer movies were updated to reflect the new user interface. We also added movies on installing Bitnami, an open source stack solution, and troubleshooting Apache to work with IPV6 on Windows 8.
Q: This course was updated on 01/09/2012. What changed?
A: Two new movies were added to Chapter 2, "Installing Separate Components on Mac OS X," to reflect the changes in the latest version of Mac OS X, Mountain Lion (version 10.8). These movies cover activating Apache and configuring personal site folders in Mountain Lion.
Q: This course was updated on 8/23/2013. What changed?
A: We added new software download locations and coverage of Apache HTTP Server 2.4 on Windows, as well as information on managing Apache from the command prompt, editing hidden config files with the nano editor, and installing the new version of Bitnami on Windows and Mac OS X.
 
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