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 […]
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 […]
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): ^%(__prefix_line)sAuthentication failure for .* from <HOST>$ […]
How to install phpMyAdmin on CentOS, Amazon Linux, or Redhat. Configuration instructions are provided for Apache and NginX web servers.
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 […]
My Virtualmin Amazon Linux 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 server performance. Joomla […]