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APC INFO Monitor

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

By on November 8, 2010 in Virtualmin, Web Server Performance Tuning, Wordpress

APC INFO Monitor My Virtualmin CentOS 5.6 Virtual Private 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 server performance. Joomla and PHPbb have code that is pre-optimized w… 6, 1, 1, 0 and 1816.46

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

By on September 24, 2012 in Amazon Web Services, Consulting, Virtualmin

fastcgi_param SCRIPT_FILENAME /usr/share$fastcgi_script_name; include /etc/nginx/fastcgi_params; fastcgi_buffer_size 128k; fastcgi_buffers 256 4k; fastcgi_busy_buffers_size 256k; fastcgi_temp_file_write_size 256k; fastcgi_intercept_errors on; } location ~* ^/phpMyAdmi… 7, 0, 0, 0 and 1708.9

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Apache config for Worker MPM vs Prefork MPM

By on July 13, 2011 in Consulting, Web Server Performance Tuning, Wordpress

Some installations of Apache will have been compiled to work with either Prefork or Worker MPM, but most by default are compiled only to work with Prefork. Changing to Worker MPM may allow your server to handle much higher traffic, more user sessions, with less RAM use. Your site or server will not scale well if it is running Prefork MPM. Worker is a bit more difficult to set up properly, and has some restrictions regarding functionality of PHP… 9, 1, 3, 0 and 1314.52

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

By on March 12, 2012 in Web Server Performance Tuning, Wordpress

…ffic. Virtualmin explains: 220;When PHP scripts for this domain as run via FCGId, the number of PHP processes set in this field will be kept running at all times to serve requests. You can increase this from the default of 4 to improve PHP script latency, or decrease it to reduce memory use. Setting it to None will cause PHP processes to be launched only as needed on demand, and to be cleaned up after some period of inactivity.221; Nginx su… 2, 0, 0, 0 and 478.01

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Fail2Ban Regex for RedHat, Fedora, CentOS and Amazon Linux 2013

By on April 19, 2013 in Amazon Web Services, Portfolio

…e in those logs, no single RegEx, nor log file location, is going to work for every distribution. Neither can Fail2Ban account for every change in log file location or structure from version to version. What worked for Centos 5.x may not work for CentOS 6.x; what worked in kernel 2.8 may be invalid in kernel 3.4. Also stated earlier, it is well worth the time to learn a little about RegEx. One vehicle to propel the admin far along the path is Reg… 1, 0, 0, 0 and 430.21

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

By on August 22, 2011 in Consulting, Web Server Performance Tuning

…stions regarding your my.cnf configuration. mysqltuner is now deprecated, but it still widely used and is very simple. Tuning Primer is the most up-to-date, and provides more complete recommendations. If you are running MySQL 5 or later, the configuration statements can be in the following form (example from one of my servers): [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql symbolic-links=0 innodb_file_per_table = 1 t… 7, 1, 0, 0 and 430.2

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

By on August 26, 2011 in Web Server Performance Tuning

there were inevitable JavaScript and PHP conflicts, but W3TC is very flexible and was able to handle the task. Suggested a scheduled, offsite backup strategy that would utilize existing resources, and eliminate the need for a 3rd-party backup solution that was causing more load issues and costing $45.00 per month. Now the site is stable and fast, and is ready for very high traffic. With World Cup Brazil coming up in 2014, the site will definitel… 1, 0, 0, 0 and 406.31

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SSL and CloudFront CDN Support for WebFonts via .htaccess

By on September 5, 2012 in Amazon Web Services, Wordpress

I recently upgraded my WordPress theme to WooThemes Canvas 5.x, and I found that some of the icons were not rendering, but were showing a letter or integer instead. I dug into the code and found that these icons are now delivered via @font-face webfonts. Meanwhile, I217;m working on a client217;s e-commerce site with Google WebFonts and a custom webfont to display the Rupee symbol (Indian currency). Though the fonts were uploading properly… 3, 0, 0, 0 and 334.62

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Résumé

By on October 24, 2008 in

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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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

By on August 22, 2011 in Consulting, Virtualmin, Web Server Performance Tuning, Wordpress

…almin for a shared hosting environment with APC cache, because 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 will need somewhere in the neighborhood of 10-30GB apc.shm_size if you attempt… 1, 0, 0, 0 and 179.26

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