Thu 18 Feb 2021

What security does a default OpenBSD installation offer?

In this text I will explain what makes OpenBSD secure by default when you install it. Do not take this for a security analysis, but more like a guide to help you understand what is done by OpenBSD to have a secure environment. The purpose of this text is not to compare OpenBSD to others OS but to say what you can honestly expects from OpenBSD.

There are no security without a threat model, I always consider the following cases: computer stolen at home by a thief, remote attacks trying to exploit running services, exploit of user network clients.

Source: What security does a default OpenBSD installation offer?, an article by Solène Rapenne.

Zsh Tricks to Blow your Mind

In UNIX-based programming, we often talk about shells, terminals, and the command line interfaces. Bash is probably the most well-known, but there are other widely-used options as well, such as Zsh or the Z shell. Read on to learn more about Zsh and some tips and tricks to optimize your development.

Source: Zsh Tricks to Blow your Mind, an article by Lizzie Siegle.

Efficiently Cleaning Text with Pandas

It’s no secret that data cleaning is a large portion of the data analysis process. When using pandas, there are multiple techniques for cleaning text fields to prepare for further analysis. As data sets grow large, it is important to find efficient methods that perform in a reasonable time and are maintainable since the text cleaning process evolves over time.

This article will show examples of cleaning text fields in a large data file and illustrates tips for how to efficiently clean unstructured text fields using Python and pandas.

Source: Efficiently Cleaning Text with Pandas, an article by Chris Moffitt.