Enable APC2014/09/13

	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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