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APC INFO Monitor

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

…are being cached, and how much memory (apc.shm_size) is needed to avoid fragmentation, which will cause the 500 errors. If fragmentation rises quickly to 100%, memory usage is full, and cache full count rises above 0, you will almost surely see “500″ errors. If WordPress is the only PHP script software package on the domain, the following configuration will likely work for you; if you have more PHP software packages, you will need to… 1, 0, 0, 0 and 674.6

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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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Remote publishing to WordPress from Facebook via RSS

…he Subscribe by RSS link on your page, and the RSS feed will not display the dreaded “Facebook Syndication Error”: You probably reached this page by entering the guide of a syndicated error message into the location bar of your browser. This probably means that you can’t see the feed that you were trying to access. This is probably because the owner of the feed changed his or her privacy settings or deleted content on the feed. You ma… 3, 0, 0, 0 and 155.67

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

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 serving static HTML files. This presents challenges in security as well as performance tuning. It is impossible to predict whether a certain configuration will work properly for a given server, unless the hardware, software, accounts, network and traffic are identical to a previou… 2, 0, 0, 0 and 103.78

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Punk Rock Music Community

Punktastic.com is a community powered site that covers punk music in Britain, but is poised to go worldwide. They cover punk and hardcore shows and festivals, and provide album reviews, video interviews and more. With a growing audience and user base, Punktastic needed a more reliable and robust web server, so they made the move to a dedicated CentOS 5 series web server with 3GB RAM. While this is a relatively low-end box, it has plenty of horse… 1, 0, 0, 0 and 51.89

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

Fail2Ban is a very efficient daemon that scans log files for malicious activity, and offers several options to ban offending IPs and hostnames. Although it is highly configurable, it requires a depth of knowledge beyond that required for GUI-accessible firewalls such as ConfigServer Security & Firewall. Harden the Kernel Before do anything further, it is necessary to harden the server at the kernel level. Doing so will prevent the majority o… 1, 0, 0, 0 and 51.89

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SoccerNews.com website

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

SoccerNews.com is a high traffic WordPress site with over 600,000 unique visitors and over 2,000,000 page impressions per month. It is a content republisher and aggregator, presenting custom XML feeds for (what else?) soccer news from all over the world. The site has a very active user base, providing content in the forms of editorials and comments on news items. Advertising and sponsored referrals provide the revenue stream. SoccerNews.com web… 1, 0, 0, 0 and 51.89

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Auto Mailer Form with Validation and reCAPTCHA

…ompts are displayed by the form itself. else { header(“Location: ” . $_SERVER["PHP_SELF"]); /*Validation errors have been found. We now need to redirect back to the script where the form exists so the errors can be corrected and the form re-submitted.*/ echo “<h1>What course do you need?</h1> <p>We are committed to doing all we can to help you graduate in as timely a fashion as possible. We know that sometimes… 1, 0, 0, 0 and 51.89

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