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Installing Apache, MySQL, and PHP
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Uninstalling MySQL on Mac OS X


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Installing Apache, MySQL, and PHP

with David Gassner

Video: Uninstalling MySQL on Mac OS X

If you are running MAMP, ZAMP or another one of the simple AMP bundles, it's easy to uninstall my SQL. You just shut down the servers and drag the bundle to the Trash. But if you've installed the individual component from MySQL.com, the steps are a little bit more complex. The first step is to make sure you've shut down MySQL. If you installed the Preferences pane, you can do it from there. I'll go to System Preferences and open the MySQL pane from the other section at the bottom.
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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

Uninstalling MySQL on Mac OS X

If you are running MAMP, ZAMP or another one of the simple AMP bundles, it's easy to uninstall my SQL. You just shut down the servers and drag the bundle to the Trash. But if you've installed the individual component from MySQL.com, the steps are a little bit more complex. The first step is to make sure you've shut down MySQL. If you installed the Preferences pane, you can do it from there. I'll go to System Preferences and open the MySQL pane from the other section at the bottom.

And I'll click Stop MySQL Server. Another way to do this is from the command line. I'll restart MySQL, and then I'll go to Terminal. In Terminal, I'll switch to the following folder, /usr/local/mysql/bin, and I'll use the application mysqladmin using this command. ./my sqladmin, -u for user, then my user name, which is root. If I've set up a root user password, I would also type in -p now, and then the password.

I haven't set up a password, so I'll leave that out. And then I'll type shutdown. And in the background, you can see in the Preferences pane that again MySQL has stopped. After you've stopped the server, the next step is to remove the configuration that starts MySQL automatically on start up. You can simply uncheck the checkbox. And if you're prompted for a password, you can enter it and that'll turn off the configuration. But there's still a little bit of information left behind. There's a text file called hostconfig, and it contains an entry for this setting.

To remove it, you'll need to use a text editor. Once again, I'll go to Terminal for this. I'll go to the etc folder underneath the root. Here is the file, hostconfig. I'm going to edit it using a text editor called Nano, which is included with OSX. I'll start with sudo for super user do, then nano, then hostconfig. When prompted for my administrative password, I'll type it in.

That's your user password, not the MySQL password. I'm looking for this line starting with MYSQLCOM. It'll have a value of either yes or no. Either way, delete it. Your file might look very different than mine. It depends on what software you have installed on your system. Now, I'll hold the Ctrl key and press X for exit, then let go and press Y for yes. And then, Enter to overwrite the hostconfig file. To make sure that the change took, I'll repeat that command.

I'll press the Up Arrow to bring that command back. Press Enter, and I see that the file has changed. I'll press Ctrl+X again to exit. Finally, you'll need to remove all of the MySQL files. This takes quite a few commands that you'll enter from terminal. To make this easier, I've included a text file that's part of the free Exercise Files that come with the course. It's a file called MySQLUninstallOnMac.txt. You can open it in any text editor.

It has a series of commands that all start with sudo for super user do, then rm for remove, and then the name of a folder, file or set of files. I'll select and copy those commands to the clipboard. Then I'll come back to Terminal and then, I'm going to press Cmd+V to paste the commands into place. And when I do that, they'll all be executed. And that's it. MySQL is gone. There's one error at the bottom indicating that the file my.cnf does not exist.

On your system, that file might exist depending on what configurations you've applied to the server. mine, I haven't created it and so I'm told that it wasn't there. To fully test this, I'll close System Preferences and then, I'll start it again from the Apple menu. And now the MySQL pane is gone from the bottom of the System Preferences dialog. So those are the steps for uninstalling MySQL on Mac. It takes a few steps to clean up, removing all the configurations and all of the MySQL files.

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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