sh
apt-get install php-apc
apc
apc.shm_size=256M
cp /etc/php.d/apc.ini /home/rack && sed -i 's/^.*apc.shm_size=.*$/apc.shm_size=256M/' /etc/php.d/apc.ini && grep "apc.shm_size=" /etc/php.d/apc.ini
cp /usr/share/doc/php*apc*/apc.php /var/www/
service httpd graceful && service httpd status
PHP5.5 -> If it has Zend OPcache it doesn't need APC anymore
sh
php -m
Look for this:
sh
[Zend Modules]
Zend OPcache
GUI: https://github.com/amnuts/opcache-gui
sh
wget https://raw.githubusercontent.com/amnuts/opcache-gui/master/index.php
/etc/php5/mods-available/opcache.ini or /etc/php5/fpm/conf.d/05-opcache.ini
sh
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
opcache.enable_cli=1