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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Article Archive for November 2021

Productivity Shortcuts for .bashrc

November 27, 2021 – 12:06 pm
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Some of the useful (more or less) aliases and functions for the .bashrc file to make your life a little easier and delay the onset of carpal tunnel syndrome.

Decision Making Using Python TOPSIS

November 20, 2021 – 12:03 pm
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In a nutshell, TOPSIS – the Technique for Order of Preference by Similarity to Ideal Solution – seeks out one of many options that is the closest to the ideal option while at the same …

Using Variables in Bash

November 13, 2021 – 12:01 pm
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A few quick tips on using variables in your Bash scripts. Nothing fancy here, just good practices that we often overlook.

WordPress: Post-processing of the image failed

November 6, 2021 – 11:59 am
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This particular WordPress issue appeared with version 5.3 and is refusing to go away. However, the problem here is not with WordPress but with the Apache ModSecurity. The particular ModSecurity rule in question is 200003 …