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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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virtualmin-nginx-wordpress-permalinks-apc

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

…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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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 Plus, it’s out of date and vulnerable to an XSS exploit.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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wordnish

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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WordPress Fail2Ban RegEx for RedHat, CentOS, Amazon Linux

VacantServer WordPress sites are getting hammered with bad logins and probes. We’ve implemented a plugin to log failed login attempts to syslog, and a Fail2Ban filter for the same. If you run these on RedHat, you’ll need some additional configuration info… here it is: WordPress login failure regex (error_log): ^%(__prefix_line)sAuthentication failure for .* from <HOST>$ […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

…use it does allow to set php.ini and fcgiwrapper for every individual virtual host, and so to set an individual configuration for APC per virtual server. However with 200+ virtual hosts all running PHP script packages, as is the case with a commodity shared hosting server, this will use a lot of memory, and you […]

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

…ve a solid security and load balancing strategy are subject to crippling traffic from the Internet’s millions of malicious and compromised servers and personal computers. Reconfigured Apache web server, PHP and MySQL to better utilize the server’s horsepower. Cpanel’s efault Apache and MySQL configurations were limiting the number of concurrent user sessions the server could […]

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Résumé

Chris Gilligan Web Developer, 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 Front-end UI design, HTML, PHP, LESS Linux Apache […]

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