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APC INFO Monitor

How to Configure APC Cache on Virtual Servers with PHP running under FCGId

APC INFO Monitor My Virtualmin CentOS 5.6 Virtual Private Server runs several virtual domains with PHP under FCGId using APC for opcode caching: Joomla, PHPbb, WordPress, etc . APC is somewhat challenging to configure properly with fcgid-enabled virtual domains, but it is quite helpful to optimize system resources and prevent traffic surges on one site from affecting overall server performance. Joomla and PHPbb have code that is pre-optimized w… 24, 1, 2, 0 and 13103.17

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WordPress with W3 Total Cache on Nginx with APC (Virtualmin)

Virtualmin now includes support for Nginx web server. I deploy many WordPress sites with W3 Total Cache and APC Alternative PHP Cache, so I was very interested to see how Nginx performance compares to Apache for WordPress, and whether APC and W3TC would play nice with Nginx. I prefer to install WordPress in public_html/wordpress for ease of development, compatibility with other scripts, etc. Accordingly, the suggested configuration is for WordPr… 16, 1, 1, 0 and 4276.73

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Tuning Apache and MySQL for Best Performance in a Shared Virtual Hosting Environment

…follow the recommendations of the tuning scripts. The apache tuning will give you the number of maxclients, and from this you will know the appropriate beginning value for [mysqld] max_connections. Begin with max_connections set slightly higher than Apache’s maxclients. If you are running database caching via APC, you may lower max_connections, because APC will serve the busiest queries directly from cache. Take Time to Get a Realistic Ass… 32, 0, 1, 0 and 3769.76

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Varnish VCL and Config for WordPress with W3 Total Cache

…rk for all WordPress features, including logged-out commenting. This configuration also works well with W3 Total Cache. This configuration is for Varnish on a separate server, but should also work on a single server with appropriate changes to the port and backend IP settings. Varnish Config (/etc/sysconfig/varnish) # Configuration file for varnish # # /etc/init.d/varnish expects the variable $DAEMON_OPTS to be set from this # shell script fragme… 1, 0, 0, 0 and 1910.88

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

APC cache does not work well in a virtual hosting environment unless PHP is running as FCGID, and every individual virtual host has a unique PHP.ini and a unique fcgiwrapper. This is not the case with many virtual hosting environments because the memory and CPU requirements are too great. I suggest using Virtualmin for a shared hosting environment with APC cache, because it does allow to set php.ini and fcgiwrapper for every individual virtual h… 6, 1, 0, 0 and 1546.9

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SoccerNews.com website

Apache and MySql Performance Tuning for High Traffic WordPress Website on Cpanel

…ning on a dedicated server with 8GB RAM, it was crashing frequently under load. The developer tried implementing APC Alternative PHP Cache and W3 Total Cache, but these measures turned out to be incompatible with some of the custom PHP code and the software architecture of the Cpanel server. Haphazardly implementing randomly suggested “solutions” had actually made the problems worse, resulting in an “own goal” that brought… 8, 0, 0, 0 and 974.94

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Web Hosting

Decades of experience hosting websites, from small local sites with only a few html pages, to high-traffic sites with thousands of users and pages.  Website hosting, evolved Web hosting has changed dramatically in the last few years. The majority of accounts are now running PHP scripts and MySQL, whereas in the past most accounts were only […]

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Résumé

Chris Gilligan Information Architect, Web Server Administrator, Media Producer web • video • print chris@chrisgilligan.net chrisgilligan.com I design and produce information and communication media for university, corporate, small business, manufacturing and non-profit clients: web sites Information architecture and design for open source content management systems Linux Apache MySQL PHP web server administration Postfix Dovecot Sendmail […]

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SSL and CloudFront CDN Support for WebFonts via .htaccess

…SL pages on the client’s site were throwing security warnings. At first I thought this might be a W3 Total Cache issue, because upgrading to the latest development release had solved some other CSS issues. However, it turned out to be a browser security issue. Evidently this is a security measure to prevent cross-site attacks, but you can allow this via Apache mod_headers, to allow your specific CloudFront (or other) domain, specified in th… 1, 0, 0, 0 and 155.99

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