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

…er web server performance in today’s Internet climate. Popular sites that do not have 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 […]

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APC INFO Monitor

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

…then you do not need apache’s mod_php (php module). Less modules loaded, less wasted memory. Comment out: LoadModule php5_module modules/libphp5.so in /etc/httpd/conf.d/php.conf Remove any php_memory_limit lines in httpd.conf’s virtual hosts section. restart apache do some performance testing and raise your server and thread limits to sane levels in httpd.conf If possible, you may wish to […]

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virtualmin-nginx-wordpress-permalinks-apc

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

…n your server, and set up a clean install of Virtualmin with Nginx as the Alternative Web Server. Switching from Apache to Nginx later is difficult, as is transferring apache virtual server backups. Best to start fresh and build from scratch. Testing the Virtualmin Nginx Modules Virtualmin does not support Nginx and Apache together, and […]

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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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LAMP-linux-apache-mysql-php

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

…s not support ConfigServer (e.g. Amazon AWS and some VPS may not 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 […]

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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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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):

Apache nohome regex (error_log):

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