CentOS 6 - install opcache

#yum install php54-php-pecl-zendopcache.x86_64

# vi /etc/php.ini
zend_extension=/opt/remi/php54/root/usr/lib64/php/modules/opcache.so
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

# /etc/init.d/httpd restart

# php -v
PHP 5.4.43 (cli) (built: Jul  8 2015 12:08:50)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
   with Zend OPcache v7.0.5, Copyright (c) 1999-2015, by Zend Technologies

что установилось:

#  rpm -ql php54-php-pecl-zendopcache-7.0.5-1.el6.remi.x86_64
/opt/remi/php54/root/etc/php.d/opcache-default.blacklist
/opt/remi/php54/root/etc/php.d/opcache.ini
/opt/remi/php54/root/usr/lib64/php/modules/opcache.so
/opt/remi/php54/root/usr/share/doc/php54-php-pecl-zendopcache-7.0.5
/opt/remi/php54/root/usr/share/doc/php54-php-pecl-zendopcache-7.0.5/LICENSE
/opt/remi/php54/root/usr/share/doc/php54-php-pecl-zendopcache-7.0.5/README
/opt/remi/php54/root/var/lib/pear/pkgxml/php54-php-pecl-zendopcache.xml