MAMP creates a
local server environment on Mac OS X by installing PHP, MySQL, and
Apache right out of the box. This will make Drupal much easier to
install because the components don’t have to be installed separately.
This page is to be used in conjunction with the installation
instructions for Drupal on Mac OS X.

Also you may want to check out this video in the Videocasts section of the handbook: Installing a Local Web Server on Mac OS X.

Download MAMP

(This will install Apache, MySQL, and PHP in one step.)
Find the latest version here: http://www.mamp.info/
Download and drag to Applications folder to install. Open MAMP and click “start servers,” then “Open start page.”

Download Drupal

Find the latest Drupal release here: http://drupal.org/.

Move the directory containing the Drupal files into the MAMP htdocs directory:

mv drupal-x.x.x/* drupal-x.x.x/.htaccess /Applications/MAMP/htdocs/yourdrupaldir

where yourdrupaldir is whatever you want the directory to be called.

Note: if you use Finder you may miss moving the .htaccess file which
is necessary for clean URLs to work. It is generally best to download
and unzip Drupal directly in the document root (default is htdocs) so
you don’t miss the .htaccess.

Create the Drupal database

To create a database for Drupal

  1. Go to the MAMP start page
  2. Click “phpMyAdmin”
  3. On the next page click “Databases”
  4. On the “Databases” page enter a name for your Drupal database in the “Create new database” field at the bottom of the page
  5. Select “utf8_general_ci” under the “Collation” drop-down (must be utf8!)
  6. Click “Create”
  7. Next you must create a user name with the privileges Drupal requires to use the new database
  8. Go back to the main phpMyAdmin page and click “Privileges”
  9. On the next page click “Add a new User”.
  10. Fill out the “Login Information” form, making sure to change the
    “Host” field to “Local” and not leave it as “Any host” (for some reason
    Drupal will not be able to connect to your local database if you select
    “Any host”)
  11. Leave the “None” radio button selected under the “Database for user”
    section, and under the “Global privileges” section leave everything
    unchecked
  12. Click “Go”
  13. On the next page scroll down to the “Database-specific privileges”
    section and select the new Drupal database you created from the dropdown
  14. Check the SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX and ALTER checkboxes and then click “Go”.

You can also use a GUI such as Sequel Pro, just remember to use this as your Socket:

/Applications/MAMP/tmp/mysql/mysql.sock

Changing your password

The default username/password for your MySQL install is now
root/root! For security purposes, it’s always best to change this. If
you’re connected to the internet, this is a must.

When you are changing the default user/password from root/root, you
need to do two things. Only the first is documented in the MAMP start
page FAQ, but if you don’t do the second then you get an error message
when you try to access anything from the MAMP start page.

  1. Use command line to change the password (as documented in the MAMP start page FAQ)

    Open the terminal and type the following:
    /Applications/MAMP/Library/bin/mysqladmin -u root -p password [NEWPASSWORD]

    It will ask for the current password after you hit enter. Once you have entered that, the MySQL password is changed.

  2. Open a text editor and change the password in the three following files:

    • /Applications/MAMP/bin/phpMyAdmin-X.X.X/config.inc.php

      Find the line that reads…
      $cfg['Servers'][$i]['password']      = 'root';
      …and change the value 'root' to your new password, retaining the quotes.

    • /Applications/MAMP/bin/mamp/index.php

      Find the line that reads…
      $link = @mysql_connect(':/Applications/MAMP/tmp/mysql/mysql.sock', 'root', 'root');
      …and change the last parameter to your new password.

    • /Applications/MAMP/bin/stopMysql.sh

      Replace the -proot with your password. (If you
      don’t change this one you can have zombie mysqld’s running after you
      thought you stopped the server)

Optional: Adjust PHP’s memory limit for scripts

By default, MAMP has the memory limit that a script can use set at
8MB, which is the PHP default. Looking at PHP’s php.ini-recommended
file, this memory limit is normally set at 128MB. To adjust this
amount, open the php.ini file in a text editor and change the following
line (approximately on line 232):

memory_limit = 8M      ; Maximum amount of memory a script may consume (8MB)

PHP.ini file locations:

  • /Applications/MAMP/conf/php4/php.ini
  • /Applications/MAMP/conf/php5/php.ini

In MAMP PRO, don’t alter the file directly since it will be
recreated at each server start. Please edit the appropriate template
(menu File > Edit template > …) instead.

Even with larger PHP memory limits you can get timeout errors trying
to import large Drupal databases into MySQL. These issues are discussed
at length elsewhere with regards to the cache and views cache. Generally the solution is to empty the Drupal cache before importing/exporting databases to/from MySQL.

Connect Drupal

Navigate to http://localhost:8888/yourdrupaldir/install.php
and fill in the installation fields using the information provided on
the MAMP start page and the name you used for the database you created
in step 3.

Start configuring Drupal!

Go to http://localhost:8888/yourdrupaldir/ and create the first account.
Continue with instructions in INSTALL.txt.

If you changed your MySQL username and password you will need to modify that in your local Drupal settings.php file as well.

Temporary Files Note:

By default the File System settings (admin/settings/file-system) will
place the temporary files directory inside /Applications/MAMP/tmp/php
which should be changed to something like files/tmp or sites/files/tmp
to avoid later confusion.

Clean up your Localhost URL

If you would like to shorten your URL from “http://localhost:8888” to “http://localhost” follow these instructions:

  • Open the MAMP application
  • Click on “Preferences” and then “Ports”
  • Change the Apache Port to 80 (the standard web server port)

In MAMP PRO, change the port of apache to 80 and click on apply.

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