Category Archives: Command line

How to setup IPython for Python 2.7 and 3+ kernels

IPython is an interactive notebook that is accessed from your browser. It is extremely useful because it is designed with code sharing in mind, supports up to 49 different languages/versions of languages, and has “cells”, or blocks of code that are interpreted one at a time (or all at once). Another reason to use IPython… Read More »

How to connect to PIA through OpenVPN on Linux

One of the most popular VPN providers these days is Private Internet Access (PIA). In this tutorial, I’ll show how to add a VPN connection to the Linux network manager with PIA’s service, using OpenVPN instead of PIA’s client software. Though the client app is robust and offers many useful features like a “VPN killswitch”,… Read More »

Rsync: How it works and how to use it

Rsync is a command line utility that is used to transfer multiple files, or entire directories, from one computer to another. It is a tool that comes with most Linux and Unix-like operating systems and it has great flexibility. You can update files and/or folders (recursively) on your machine, or the machine you are connecting… Read More »

How to Obfuscate Messages with Steganography

Steganography is the practice of hiding a message within a message. Obfuscation is the act of obscuring information or messages. ob·fus·cat·ed, ob·fus·cat·ing transitive verb : 1  a : darken     b : to make obscure <obfuscate the issue> 2 : confuse <obfuscate the reader> intransitive verb : to be evasive, unclear, or confusing ob·fus·ca·tion –… Read More »

Fear Not The Command Line, pt 2

Hopefully, you enjoyed learning about the command line terminal in the first post, or are otherwise somewhat familiar with the command line. In the previous post, I showed the most basic operations (ls, cd, help) one can do in Window’s cmd.exe terminal, and in Linux’s bash terminal (pwd, ls, cd, man). I am attempting to… Read More »

Fear Not The Command Line

Whether you are a casual computer user who uses Office for part of their work, a budding young design student who spends many hours at the computer, or just the average Joe who emails and uses Facebook or other social media, you ought to know what the command line is. If you’re just learning about… Read More »