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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 […]

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virtualmin-nginx-wordpress-permalinks-apc

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

…hp-fcgi-domain2-com restart The service may also be restarted via Webmin > Services > Bootup and Shutdown Memory Considerations PHP FCGId will launch the number of sub-processes you specify in Virtualmin > Server Configuration > Website Options, so beware of the memory overhead if you specify a large number, because each will consume the amount of […]

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LAMP-linux-apache-mysql-php

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

…ot play well with CSF), you may use Fail2Ban. Tune Apache the Sane Way (Requires Basic Math Skills) If you wish to tune your Apache MPM settings, you should consider following this method: https://telvps.com/clients/knowledgebase/25/HOW-TO-Optimize-Apache-for-Low-Memory-Usage.html (the formula works well as a basic guide… but does not take into account PHP memory requirements… see Ovidiu’s comment below). […]

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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 […]

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Screen Shot 2012-09-07 at 11.09.50 AM

Install phpMyAdmin with SSL on CentOS, Amazon Linux, RedHat (Apache or NginX)

phpMyAdmin database display I recently ran into a problem with the upgraded 3.5.2 phpMyAdmin package provided via the rpmforge.repo. Search no longer works, nor does pagination, etc. Plus, it’s out of date and vulnerable to an XSS exploit. I have solved this by changing to the EPEL repo, which maintains the latest version of phpMyAdmin. […]

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SoccerNews.com website

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

…referrals provide the revenue stream. SoccerNews.com website I was contacted by the publisher after responding to a plea for assistance in a WordPress.org support forum. Though the site was running 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, […]

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wordnish

Varnish VCL and Config for WordPress with W3 Total Cache

…iguration 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 fragment. # # # Maximum number of […]

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apache_web-hosting

Apache config for Worker MPM vs Prefork MPM

…If you see worker.c in the list of compiled-in modules, Apache can run Worker MPM. Here is some useful info to help if your installation of Apache will work with Worker MPM: http://www.virtualmin.com/node/15046 http://articles.slicehost.com/2010/5/19/configuring-the-apache-mpm-on-centos Un-Comment HTTPD=/usr/sbin/httpd.worker in /etc/sysconfig/httpd restart apache do some performance testing and raise your worker server and thread limits t… 2, 0, 1, […]

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