使用 APC 加速你的 PHP！

$ yum install php-pear

$ pecl install apc

extension = apc.so

$ /etc/init.d/httpd restart

apc.stat = 0

<?php

apc_clear_cache();

$ cp /usr/share/pear/apc.php /var/www/html/apc.php

<?php

defaults('USE_AUTHENTICATION',1);            // Use (internal) authentication - best choice if 
                                          // no other authentication is available
                                          // If set to 0:
                                          //  There will be no further authentication. You 
                                          //  will have to handle this by yourself!
                                          // If set to 1:
                                          //  You need to change ADMIN_PASSWORD to make
                                          //  this work!
defaults('ADMIN_USERNAME','your_user_name');             // Admin Username
defaults('ADMIN_PASSWORD','your_password');      // Admin Password - CHANGE THIS TO ENABLE!!!