Setup MAMP (Mac, Apache, MySQL And PHP) on Mac OS X 10.6 Snow Leopard

Mac OS X 10.6 Snow Leopard comes with Apache and PHP (Apache/2.2.17 (Unix) mod_ssl/2.2.17 OpenSSL/0.9.8l DAV/2 PHP/5.3.4), so it is quite easy to setup a MAMP server.

Sure, there are other ways to do the MAMP setup:

In my opinion, because Apache and PHP are already installed, it's easy way to go with them.

Apache 2.2.17

To enable pre-installed PHP, you have to edit httpd.conf file:

sudo vi /private/etc/apache2/httpd.conf

And uncomment the line:

LoadModule php5_module libexec/apache2/

If you want to make other configuration changes, for example define virtual hosts, it's better to use user's configuration file:

sudo vi /private/etc/apache2/users/[username].conf

After making changes, restart Apache aka Web Sharing. Go to System Preferences > Sharing and unselect and select again Web Sharing. That's it. Now you have the Apache with PHP running.

If there are any problems, you can examine the Apache error_log. Go to Console > /var/log > apache2 > error_log.

PHP 5.3.4

If you want to make changes to php.ini, do the following. Copy php.ini.default to php.ini:

sudo cp /private/etc/php.ini.default /private/etc/php.ini

And to make changes:

sudo chmod 644 /private/etc/php.ini
sudo vi /private/etc/php.ini
sudo chmod 444 /private/etc/php.ini

After making changes, don't forget to restart Apache.

MySQL 5.5.10

MySQL is a little trickier, because it's not pre-installed in OS X. In my opinion easiest way is to use binary from So, download the current version, which is mysql-5.5.10-osx10.6-x86_64.dmg at the moment, and install mysql-5.5.10-osx10.6-x86_64.pkg.

Then install MySQLStartupItem.pkg and copy MySQL.prefPane to OSX/Library/PreferencePanes.

MySQL starts when the OS starts and you can start and stop it from System Preferences > MySQL. You can also start or stop it manually from console:

sudo /Library/StartupItems/MySQLCOM/MySQLCOM start
sudo /Library/StartupItems/MySQLCOM/MySQLCOM stop

MySQL with default settings use socket in /tmp and pre-installed PHP presumes it to be in /var/mysql, so you have to update the location in php.ini:

mysql.default_socket = /tmp/mysql.sock

Mac OS X 10.6

No you should have your MAMP server running nicely. If you want to make host name changes – for example if you use different hosts in localhost to take advantage Apache's virtual hosting – edit hosts file:

sudo vi /private/etc/hosts

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