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Apache config for Worker MPM vs Prefork MPM

…a per-domain basis and must be run direct to the actual server process with symlinked directories. This is much more efficient but less convenient for virtual domain owners some /dev processes took on strange group permissions, getting the gid of the first user in the apache group. browser caching was not well supported… the dreaded “blank screen between page loads” occurred more frequently under Worker MPM than Prefork MPMR… 16, 1, 1, 0 and 4099.38

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APC INFO Monitor

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

…217;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 Prefork MPM. More information about Apache Worker MPM vs. Prefork MPM » Installation Suggestions and Modification of Defaults Be sure to install the newest version of APC, 3.1.9 as of the last revision of this post (I assume you know how… 2, 0, 0, 0 and 1115.64

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

…den the server at the kernel level. Doing so will prevent the majority of attacks that Fail2Ban config will have to deal with. Do this: Linux kernel sysctl hardening. Prior to learning those trix, I had solely relied upon ConfigServer Security and Firewall (CSF) to block malicious attacks. Heading those off at the kernel level is much more efficient. I’m a huge fan of CSF, having used it with cPanel, Webmin and Virtualmin for many years. Mo… 5, 0, 0, 0 and 622.68

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

…the proper settings for maxclients and maxconnections, restart httpd and mysqld. Wait 1 hour, and run mysqltuner to see if there are any recommended changes. Mysqltuner will show you the maximum memory which will be used by mysql. You should adjust config variables to take up no more than 60% of total RAM. Wait 24-48 hours and run mysqltuner again. Example mysqltuner results: ——- Performance Metrics ——————————————-… 1, 0, 0, 0 and 441.07

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Remote publishing to WordPress from Facebook via RSS

…ss to a Facebook wall, app or fan page. Did you know you can also do the opposite? You can publish from Facebook to WordPress by using the FeedWordPress plugin and the RSS feed from your fan page. This can be handy for clients who want to keep their site updated with blog posts, or share links and information, but don’t necessarily want to spend the time to post with WordPress. Let’s face it, Facebook is convenient to use to share a l… 8, 0, 0, 0 and 415.12

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

…e and page cache capabilities to WordPress… and it works with Nginx. Works best with Alternative PHP Cache to provide opcode and database cache. Setting APC for all caches works easiest with Nginx… setting to file caching introduces URL rewrite errors… See W3TC Settings information below for instructions on how to implement File caching. nginx Compatibility — makes WordPress more compatible with Nginx, allows use of permal… 7, 0, 0, 0 and 363.23

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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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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 Cache. This configuration is for Varnish on a separate server, but should also work on a single serve… 3, 0, 0, 0 and 155.67

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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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