Complex decisions require the evaluation of multiple criteria. This article shows how to support such decisions with Linux, Python, and the TOPSIS Multi-Criteria Decision Model.

Use the same code for your Python GUI and web apps.

How do you find a process running on a Linux system by start time? The question sounds trivial, but the answer is trickier than it first appears.

Lockdown mode makes your Linux system more secure and even prevents root users from modifying the kernel.

Asciinema lets you record events at the command line and publish the resulting terminal movie on the web.

Shell scripts are often written for simplicity rather than efficiency. A closer look at the processes can lead to easy optimization.

Build simple PHP applications quickly with ready-to-use blocks.

With some simple Bash commands, you can gather, parse, and filter text data into CSV files ready for your favorite statistical application.

Armed with the right shell commands, you can quickly identify and evaluate file and directory metadata.

With Bash, keeping a task simple often means using several different tools that all do their jobs well. Here's an easy, effective way to create a notification for when your laptop is unplugged.