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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 Amazon Linux 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 […]

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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 […]

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

…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 […]

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Cpanel Mailman mailing lists: cannot manage lists after migrating to new host

… There currently are no publicly-advertised Mailman mailing lists on visit the administrators configuration page for an unadvertised list, open a URL similar to this one, but with a ‘/’ and the right list name appended. If you have the proper authority, you can also create a new mailing list. This turned out to […]

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

…ite has a very active user base, providing content in the forms of editorials and comments on news items. Advertising and sponsored referrals provide the revenue stream. website I was contacted by the publisher after responding to a plea for assistance in a support forum. Though the site was running on a dedicated […]

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Varnish VCL and Config for WordPress with W3 Total Cache

I have been working on a Varnish front-end for Apache, to be used with WordPress sites. I described the architecture in Load Balancing Virtualmin WordPress Hosting Server with Varnish on AWS. I now have a configuration that seems to work for all WordPress features, including logged-out commenting. This configuration also works well with W3 Total […]

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

…h On Amazon Linux, epel-release is already loaded. Edit /etc/yum.repos.d/epel.repo to enabled=1 Edit /etc/yum.repos.d/epel.repo to only include necessary software packages: includepkgs=phpMyAdmin php-php-gettext I have removed RPMforge repo due to some recent problems, but if you still need rpm forge repo: exclude=phpMyAdmin php-php-gettext Install PMA: yum install ph… 2, 0, 0, 0 and 127.83

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