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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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APC INFO Monitor

APC Cache Considerations for Virtual Hosting Environments

APC cache does not work well in a virtual hosting environment unless PHP is running as FCGID, and every individual virtual host has a unique PHP.ini and a unique fcgiwrapper. This is not the case with many virtual hosting environments because the memory and CPU requirements are too great. I suggest using Virtualmin for a […]

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APC INFO Monitor

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

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 […]

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