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

…commendations 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 […]

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APC INFO Monitor

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

…hp module). Less modules loaded, less wasted memory. Comment out: LoadModule php5_module modules/ 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 run Apache with Worker MPM instead of […]

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

…utilize the server’s horsepower. Cpanel’s efault Apache and MySQL configurations were limiting the number of concurrent user sessions the server could handle. Changed PHP to run as FastCGI (fcgid) and recompiled Apache to better handle the needs of a high traffic WordPress site. Configured a large MySQL table and query cache based on performance and […]

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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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Automated WordPress Installation Via Custom Virtualmin Script Installer

…tch filename) link to your zip: ‘url’ => “file://localhost/path/to/” (~line 150 after # script_wordpress_files) this must be retrievable via wget from YOUR SERVER (test this via terminal command) change ‘virtualmin‘ => 0 to NOT use virtualmin scripts repo! (~line 152) Your custom file should now look like this: # script_custompress_files(&domain, version, &opts, &upgrade-info) # Returns […]

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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

…stered by myself, not by the clients. I do not think APC is the correct cache for most shared web hosting servers, given the number of virtual hosts. You will probably have better results if you remove APC and concentrate on Apache performance tuning and MySQL cache. If your clients are adamant in their requests […]

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Chris Gilligan Web Developer, Information Architect, Web Server Administrator, Media Producer web • video • print 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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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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