Apps

By Skander , 1 November, 2026

What Started as a PHP Security Patch Became a Full Server Upgrade

PHP Vulnerability

A recent critical PHP security alert prompted me to take my Drupal blog offline and check the server behind it. Two vulnerabilities could allow unauthenticated attackers to execute code on affected servers, making patching urgent. What initially looked like a straightforward PHP update revealed a broader maintenance issue: my Ubuntu installation had reached the end of its support period.

By Skander , 2 December, 2012

A K-Means Clustering Animator

UPDATE: KMeans Animator is now part of SKapps.

 

This JavaScript application implements the popular k-means clustering algorithm. Intermediate clusters and centroids are drawn at every step.

k-means is an iterative, simple and fast clustering algorithm. It groups a set of n data points into k clusters. The number of clusters being a prameter of the algorithm.

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