The Mystery of a Hemisphere

To make this long (and embarrassing) story short: a friend's kid had a homework assignment in geometry to calculate the surface area of a...

Raspbian ‘partitions on different devices’ Error

After downloading a Raspbian image and writing it to an SD card, you get the following error when trying to boot the Pi: "Could...

Tmux Bootstrap Configuration

Just a list of commands to quickly configure tmux with some of the best (i.e. my favorite) plugins and options. Feel free to disagree...

Find Large Files

Every time a filesystem is running out of space and I need to find something to delete, I end up googling the syntax for...

Clone Raspberry Pi SD to Larger Card

This is more of a note to myself: every time I need to clone the RPi card, I end up googling things for an...

Fixing Sudo

A decade-old massive and easy-to-exploit security hole (CVE-2021-3156) has been found in sudo allowing for full root access by any unprivileged system user. This...

A Wrapper Script for unrar

Just a straightforward wrapper script for the unrar command that allows extracting specified filetypes from multipart archives while utilizing all available CPU cores. Seriously, who...

Show Logged In Users During a Time Window

Let's say you want to see who was logged in on the server during last weekend. This includes users who, say, logged in on...
When Was that Server Built?

When Was that Server Built?

Just a quick note on how to (sort of) figure out when a server first came online. This can be useful to various folks...