Category: Technology

dupeGuru – find duplicate files

dupeGuru is a tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching algorithm that can find duplicate filenames even when they are not exactly the same. dupeGuru runs on Mac OS X, Linux and Windows.

The XY problem

The XY problem is asking about your attempted solution rather than your actual problem.

That is, you are trying to solve problem X, and you think solution Y would work, but instead of asking about X when you run into trouble, you ask about Y.

Preventing duplicate cron job executions

Someone writes a script, creates a cron job to execute that script and the script works great, at first. Over time, something changes and the script either starts to take a long time to execute or never completes. The fact that the script never ends is one problem, the other problem is that scripts like the one above keep starting even though another instance of that same script is running.

In today’s article, we are going to cover ways to solve the second issue by preventing duplicate cron job executions.