CentOS 6
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Enable APC
2014/09/13
 
Enable APC ( Alternative PHP Cache ) and makes PHP be fast.
[1] Install APC.
[root@www ~]#
yum -y install php-pecl-apc
[root@www ~]#
vi /etc/php.d/apc.ini
# line 12: specify shared memory(MB)

# need to consider with specs of the server

apc.shm_size=
512M
[root@www ~]#
/etc/rc.d/init.d/httpd restart

Stopping httpd:
[  OK  ]

Starting httpd:
[  OK  ]

[2] Create phpinfo like follows and make sure APC enabled.
[root@www ~]#
echo -e "<?php\nphpinfo();\n?>" > /var/www/html/phpinfo.php

[3] Enable the admin script of APC.
[root@www ~]#
vi /usr/share/php-pecl-apc/apc.php
# line 41,42: set admin username and password

defaults('ADMIN_USERNAME','
apc
');
defaults('ADMIN_PASSWORD','
adminpassword
');
[root@www ~]#
vi /etc/httpd/conf.d/apc.conf
# create new

Alias /apc /usr/share/php-pecl-apc
<Location /apc>
    Order Deny,Allow
    Deny from all
    Allow from 127.0.0.1 10.0.0.0/24
# IP address you permit

</Location>
[root@www ~]#
/etc/rc.d/init.d/httpd restart

Stopping httpd:
[  OK  ]

Starting httpd:
[  OK  ]

  Access to "http://(hostname or IP address)/apc/apc.php" with Web browser. Then following screen is shown and it's possible to make sure status of APC.
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