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Author Archive | Chris Gilligan

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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Auto Mailer Form with Validation and reCAPTCHA

I was recently searching for a form template that uses Twitter’s Bootstrap framework. PFBC, the PHP Form Builder Class, was recently refactored with Bootstrap, and it also supports validation and reCAPTCHA. PFBC does not include a form handler, but it does take the difficult and redundant work out of creating self-validating forms. Adding an auto-mailer […]

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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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Punktastic.com web site

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 […]

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virtualmin-nginx-wordpress-permalinks-apc

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 […]

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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 […]

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LAMP-linux-apache-mysql-php

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 […]

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