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Integrating Content from External Sources into OU Campus Using RSS, PHP, and JavaScript

The web team of the University of Tennessee at Chattanooga uses PHP and RSS to syndicate blog content, news releases, and calendar events into their main website. PHP SimpleXML is used to parse the XML of the RSS feeds. We import a variety of feeds, from WordPress, from Master Calendar, and from other sites such as […]

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TEDxChattanooga website screenshot

TEDx Event Website

I’m very excited to help out with Chattanooga’s premier TEDx event: TEDxChattanooga. For this site, I chose a responsive Bootstrap 3 SASS WordPress theme, originally developed for TEDxToronto. I made a few tweaks and improvements to better fit our event, and worked with April Cox from UT Chattanooga to dial in the design and architecture. Developed on […]

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Trawire website

Portable Wifi Hotspot Rental Site

Trawire.com offers portable 4G MiFi and iPad rentals for visitors traveling to Iceland. Trawire’s CIO approached me for assistance after his systems administrator bailed and left him with a poorly maintained, self-hosted MacMini server running unoptimized WordPress installs. I migrated the site to Amazon Web Services, where it now can handle traffic spikes and can be […]

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wordpress-installation

Automated WordPress Installation Via Custom Virtualmin Script Installer

WordPress (or any other script) can automatically install during Virtualmin > Create Virtual Server.  Virtualmin automatically creates users, MySQL database, and installs WordPress in the public_html root, then gives a link to the WordPress Installer. You can even create a custom installer with a set of plugins and themes. To create a custom script installer […]

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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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Screen Shot 2013-04-19 at 6.32.51 PM

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 […]

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wordnish

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 […]

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