{"id":3200,"date":"2014-02-02T15:28:12","date_gmt":"2014-02-02T21:28:12","guid":{"rendered":"https:\/\/secure.rosehosting.com\/blog\/?p=3200"},"modified":"2025-07-22T04:05:16","modified_gmt":"2025-07-22T09:05:16","slug":"speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps","status":"publish","type":"post","link":"https:\/\/www.rosehosting.com\/blog\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps\/","title":{"rendered":"Speed-up your PHP based websites using Zend Optimizer on CentOS 6"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div>\n<h5 class=\"wp-block-heading\" id=\"h-status-this-os-is-no-longer-supported\">Status: This OS is no longer supported<\/h5>\n\n\n\n<p><em>This article, &#8220;Speed-up your PHP-based websites using Zend Optimizer on CentOS 6,&#8221; covers a version of CentOS that reached end of life (EOL). It is no longer supported. As such, this guide is no longer maintained. If you are currently operating a server running CentOS 6, we highly recommend contacting <a href=\"https:\/\/www.rosehosting.com\/support\/\">RoseHosting&#8217;s fully managed support<\/a>. They can upgrade or migrate you to a supported version of AlmaLinux.<\/em><\/p>\n\n\n\n<!--more-->\n\n\n<p><a href=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2014\/01\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps.png\"><img decoding=\"async\" class=\"alignleft size-medium wp-image-3202\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2014\/01\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps-300x141.png\" alt=\"speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps\" width=\"300\" height=\"141\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2014\/01\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps-300x141.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2014\/01\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps.png 520w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>In the following article we will guide you through the steps on <strong>how to install and set-up Zend Optimizer on a CentOS 6<\/strong> <a title=\"Linux VPS Hosting\" href=\"https:\/\/www.rosehosting.com\/managed-vps-hosting.html\" target=\"_blank\" rel=\"noopener noreferrer\">Linux VPS.<\/a><\/p>\n<p>Installing Zend OPcache will significantly boost your website&#8217;s speed and performance.<\/p>\n<p>\u00a0<\/p>\n<p><strong>How is Zend OPcache able to speed up my website?<\/strong><\/p>\n<p>The Zend OPcache provides <strong>faster PHP execution<\/strong> through <strong>opcode caching<\/strong> and optimization. It improves PHP performance by storing <strong>pre-compiled script<\/strong> <strong>byte-code<\/strong> in shared memory.\u00a0 This eliminates the stages of reading code from disk and compiling it on future access. In addition, it applies a few byte-code optimization patterns that make code execution faster.<\/p>\n<p><em>Note that this version of Zend OPcache is compatible with PHP 5.2.x, 5.3.x, 5.4.x <\/em><em>and PHP-5.5. PHP 5.2 support may be removed in the future though.<br \/><\/em><\/p>\n<h3><strong>UPDATE THE SYSTEM<\/strong><\/h3>\n<p>Before going any further, make sure a screen session is in place and check if your <a title=\"CentOS VPS Hosting\" href=\"https:\/\/www.rosehosting.com\/centos-hosting.html\" target=\"_blank\" rel=\"noopener noreferrer\">CentOS 6 linux vps<\/a> is fully up-to-date by running:<\/p>\n<pre>## screen -U -S zend-screen\n## yum update<\/pre>\n<h3><strong>INSTALL GIT<\/strong><\/h3>\n<p>Install <code>git<\/code> so you&#8217;re able to clone Zend Optimizer in your <a title=\"Linux VPS\" href=\"https:\/\/www.rosehosting.com\" target=\"_blank\" rel=\"noopener noreferrer\">Linux VPS<\/a><\/p>\n<pre>## yum install git<\/pre>\n<h3><strong>SET-UP BUILD DIRECTORY<\/strong><\/h3>\n<p>create <code>\/opt\/build<\/code> build directory using <code>mkdir<\/code><\/p>\n<pre>## mkdir -p \/opt\/build<\/pre>\n<h3><strong>CLONE ZEND OPTIMIZER REPOSITORY<\/strong><\/h3>\n<p>Fetch Zend Optimizer from Github using <code>git<\/code> in <code>\/opt\/build\/zend-opcache<\/code> and navigate there<\/p>\n<pre>## git clone https:\/\/github.com\/zendtech\/ZendOptimizerPlus.git \/opt\/build\/zend-opcache\n## cd \/opt\/build\/zend-opcache<\/pre>\n<h3><strong>INSTALL REQUIRED BUILD PACKAGES<\/strong><\/h3>\n<p>Install the required packages needed to successfully build Zend Opcache on the <b>CentOS 6<\/b> system.<\/p>\n<pre>## yum install php-devel gcc<\/pre>\n<h3><strong>PREPARE, COMPILE AND INSTALL THE PACKAGE<\/strong><\/h3>\n<p>prepare the extension for compiling using the <code>phpize<\/code> command<\/p>\n<pre>## phpize<\/pre>\n<p>configure the sources using the following command<\/p>\n<pre>## .\/configure --with-php-config=$(which php-config)<\/pre>\n<p>compile the sources using the command below<\/p>\n<pre>## make<\/pre>\n<p>install <code>opcache.so<\/code> into PHP extension directory<\/p>\n<pre>## make install<\/pre>\n<p>once installed, load the Zend opcache extension by adding the following to <code>\/etc\/php.d\/opcache.ini<\/code><\/p>\n<pre>## vim \/etc\/php.d\/opcache.ini\n\nzend_extension=\/usr\/lib\/php\/modules\/opcache.so\nopcache.memory_consumption=128\nopcache.interned_strings_buffer=8\nopcache.max_accelerated_files=4000\nopcache.revalidate_freq=60\nopcache.fast_shutdown=1\nopcache.enable_cli=1<\/pre>\n<h3><strong>APPLY THE CHANGES<\/strong><\/h3>\n<p>restart for the change to take effect<br \/>if using apache:<\/p>\n<pre>## service httpd restart<\/pre>\n<p>if using php-fpm<\/p>\n<pre>## service php-fpm restart<\/pre>\n<p>verify Zend opcache is enabled using<\/p>\n<pre>## php -v<\/pre>\n<p>or create sample <code>info.php<\/code> file within your domain&#8217;s public document root containing the following<\/p>\n<pre>&lt;?php \n    phpinfo();<\/pre>\n<p>open it in your browser and search for &#8216;Zend OPcache&#8217;<\/p>\n<hr \/>\n<p>Of course, if you are one of our <a title=\"Linux VPS Hosting\" href=\"https:\/\/www.rosehosting.com\/managed-vps-hosting.html\" target=\"_blank\" rel=\"noopener noreferrer\">Linux VPS Hosting<\/a> customers, you don\u2019t have to do any of this, simply ask our admins, sit back and relax. Our admins will set this up for you immediately.<\/p>\n<p><span style=\"color: #ff0000;\"><strong>PS.<\/strong><\/span> If you liked this post please share it with your friends on the social networks using the buttons on the left or simply leave a reply below. Thanks.<\/p>","protected":false},"excerpt":{"rendered":"<p>Status: This OS is no longer supported This article, &#8220;Speed-up your PHP-based websites using Zend Optimizer on CentOS 6,&#8221; covers &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Speed-up your PHP based websites using Zend Optimizer on CentOS 6\" class=\"read-more button\" href=\"https:\/\/www.rosehosting.com\/blog\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps\/#more-3200\" aria-label=\"Read more about Speed-up your PHP based websites using Zend Optimizer on CentOS 6\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":3202,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1699,1704,13],"tags":[34,91,310,177,50,1152,392],"class_list":["post-3200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-centos","category-optimization","category-tutorials","tag-centos","tag-lamp","tag-lemp","tag-linux-vps","tag-php","tag-rosehosting","tag-zend-optimizer","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Zend Optimizer on CentOS 6: Installation Guide | RoseHosting<\/title>\n<meta name=\"description\" content=\"Discover the benefits of Zend Optimizer on CentOS 6. Enhance your website performance with efficient PHP execution.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rosehosting.com\/blog\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Speed-up your PHP based websites using Zend Optimizer on CentOS 6\" \/>\n<meta property=\"og:description\" content=\"Speed-up your PHP based websites using Zend Optimizer on CentOS 6 | RoseHosting\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rosehosting.com\/blog\/speed-up-your-php-based-websites-using-zend-optimizer-on-a-centos-6-vps\/\" \/>\n<meta property=\"og:site_name\" content=\"RoseHosting\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/RoseHosting\" \/>\n<meta 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