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

…_size = 256 M Key cache miss rate is 1 : 247 Key buffer free ratio = 80 % Your key_buffer_size seems to be fine QUERY CACHE Query cache is enabled Current query_cache_size = 16 M Current query_cache_used = 12 M Current query_cache_limit = 1 M Current Query cache Memory fill ratio = 77.74 % Current query_cache_min_res_unit = 4 K MySQL won’t cache query results that are larger than query_cache_limit in size SORT OPERATIONS Current sort_buffer_siz… 34, 0, 3, 0 and 8198.68

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APC INFO Monitor

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

…e you are tweaking your opcode settings, and especially if you are using APC with a CMS like WordPress (w3 total cache) or phpbb or joomla, and you are experimenting with settings, or updating plugins or core, you should set apc.stat=1 (on). Restart the web server to load the new settings. APC.Stat is the file change polling, which checks for file change every time a cached script or object is called. So, with polling turned off, your settings/co… 6, 0, 0, 0 and 3191.24

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Varnish VCL and Config for WordPress with W3 Total Cache

…threads to start VARNISH_MAX_THREADS=1000 # # # Idle timeout for worker threads VARNISH_THREAD_TIMEOUT=120 # # # Cache file location if using file cache #VARNISH_STORAGE_FILE=/var/lib/varnish/varnish_storage.bin # # # Cache size: in bytes, optionally using k / M / G / T suffix, # # or in percentage of available disk space using the % suffix. VARNISH_STORAGE_SIZE=3G # # # Backend storage specification # malloc runs from RAM, file from file VARNISH… 6, 0, 0, 0 and 1465.9

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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 ease of development, compatibility with other scripts, etc. Accordingly, the suggested configuration is for WordPr… 4, 0, 0, 0 and 1388.06

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SoccerNews.com website

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

…server with 8GB RAM, it was crashing frequently under load. The developer tried implementing APC Alternative PHP Cache and W3 Total Cache, but these measures turned out to be incompatible with some of the custom PHP code and the software architecture of the Cpanel server. Haphazardly implementing randomly suggested “solutions” had actually made the problems worse, resulting in an “own goal” that brought down the server. I… 8, 0, 0, 0 and 882.13

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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 shared hosting environment with APC cache, because it does allow to set php.ini and fcgiwrapper for every individual virtual h… 1, 0, 0, 0 and 518.9

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Joomla Content Management

If you’ve read anything at all about Content Management Systems (CMS), you’ll probably know that CMS are the most effective way to keep your site relevant to your audience. You also know at least three other things: Keeping your site relevant and up-to-date can be time consuming CMS can be complicated Portals can be expensive […]

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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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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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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. This post will teach you how to install phpMyAdmin on CentOS, Amazon Linux, or Redhat. Configuration ins… 3, 0, 0, 0 and 155.67

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