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Installing Apache, MySQL, and PHP
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Activating Apache on Lion


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Installing Apache, MySQL, and PHP

with David Gassner

Video: Activating Apache on Lion

Just as with older versions of the Mac operating system, version 10.7, or Lion, includes the Apache HTTP server. It's up to you to activate, or turn it on. I'll go to the Apple menu and choose System Preferences. You can also get here through the Dock. On this screen, go to the Internet & Wireless section and choose Sharing. Mac OS X refers to the Apache HTTP service as Web Sharing. Go to that category, and you'll see that it's turned off by default.
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  1. 17m 35s
    1. Welcome UPDATED
      1m 9s
    2. Understanding Apache, MySQL, and PHP
      7m 12s
    3. Using the exercise files
      1m 7s
    4. What's new in this update UPDATED
      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 UPDATED
      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 UPDATED
      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 UPDATED
      4m 6s
    2. Configuring Apache and MySQL server ports UPDATED
      1m 57s
    3. Managing MAMP UPDATED
      4m 55s
  6. 29m 3s
    1. Installing XAMPP for Windows UPDATED
      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 UPDATED
      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 UPDATED
      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

Activating Apache on Lion

Just as with older versions of the Mac operating system, version 10.7, or Lion, includes the Apache HTTP server. It's up to you to activate, or turn it on. I'll go to the Apple menu and choose System Preferences. You can also get here through the Dock. On this screen, go to the Internet & Wireless section and choose Sharing. Mac OS X refers to the Apache HTTP service as Web Sharing. Go to that category, and you'll see that it's turned off by default.

To turn it on, just check the check box; it's that simple. Now to test your Apache server, go to the second link on this screen. It will either show an IP address, as it does here, or your computer name. Click the link. If everything is working correctly you should see the page, "It works!" This is a very simple homepage that's provided with the Apache server. Now it might not work on your system, especially if it's showing the computer name instead of an IP address, but here is the URL that always works.

Go up to the address bar and change either the IP address or the computer name, whichever showed up, to this IP address, 127.0.0.1. Then press Return and now you should definitely see this page. The IP address that starts with 127 is a globally used IP address that refers to the local computer. It's used on Mac, Windows, Linux, and other operating systems. There's a name that goes with it.

Instead of 127.0.0.1, you can instead use localhost and that should work as well. Now let's take a look at where these files are stored on your Mac. Now let's return to the Sharing dialog. Lion has added a couple of useful buttons to this interface. There is a button above called Create Personal Website Folder-- I'll show you that in a moment--and this one Open Computer Website Folder. When you click the button it takes you to your document root folder on your Mac hard disk.

You'll find that it has this file, index.html, and some graphic files that might or might not be showing up on your screen. There's also this folder, postgresql. This is new to Lion. It contains documentation for the PostgreSQL database, and it's not relevant to what we're doing here, so I won't talk about it anymore. I'm going to show you exactly where this folder is located on the disk. I'll make sure that I've deselected all the files and folders in this screen. Then I'll go to the Finder menu and choose View > Show Path Bar.

Down at the bottom of the screen, that will show that this folder is under Library > WebServer > Documents. If you're using the Apache HTTP server, this is where you put your HTML, graphics, PHP files, and other files that you want to be able to browse from the browser. We call it the document root folder. On Mac OS X there is also a concept of a personal document root folder. Each user can have a folder named Sites, with an uppercase S, which is also accessible from a browser.

I'll go back to my Sharing dialog and show you that there's a link here with the original URL and the syntax ampersand and then username. My username is simply lyndadotcom, so this would refer to the Sites folder under my home directory. I'll click the link and you'll see that there's a message saying I don't have permission to access that folder, and here's why. On Lion that folder does not exist by default for new users. I'll go back to Finder and go to the menu and choose Go > Home, and I'll show you that there is no sites folder here.

There is the Desktop, the Documents, and so on, but that folder has not been created yet. So, going back to Sharing, this is where this button comes into play. I'll click Create Personal Website Folder and then Open Personal Website Folder, and I'll see that I have a file called index.html and a folder named images. And looking at the path bar at the bottom, I'll see that I can now do have a Sites folder in my lyndadotcom home folder.

I'll double-click lyndadotcom and show you that that's where the folder has been created. Going back to Sharing, I'll click that link again, and this time I see files that have been created for me. Now just like the computer's own web site, you can either use the URL that's generated here or you can use 127.0.0.1 or you can also use localhost. So if you're able to access both the computer's web site, which is in that Library > WebServer > Documents folder, and your personal web site, which is in the Sites folder, under your home directory, you have Apache completely set up and ready to use.

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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