Diagnosing Disk I/O issues in a VPS

Every so often, my Linode goes into a state of apparent frantic I/O. Page loads slow down a bit, and I get regular email alerts indicating a potential problem: Subject: Linode Alert – disk io rate Your Linode, linode90147, has exceeded the notification threshold (800) for disk io rate by averaging 2146.05 for the last […]

GeSHi WordPress Sample with Javascript

The WP-Syntax plugin allows easy insertion of code in blog posts, using GeSHi (Generic Syntax Highlighter). It supposedly supports over one hundred programming languages, including including PHP, HTML, CSS, Java, C, Lisp, XML, Perl, Python, and assembly. For example: 1 2 <pre lang="html" line="1" escaped="true"> </pre> The line=”1″ directive tells WP-Syntax to insert line numbers. […]