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Exploring the nuances of writing a pair-matching memory game and one-dimensional arrays in Bash.

News briefs for August 29, 2018.

DFI’s Pico-ITX-based, DIN-rail mountable “EC900-FS6” mini-PC runs Linux or Android on an i.MX6 DualLite, and offers 2x GbE, 2x USB, 2x serial, mini-PCIe, and extensive ruggedization features. A reader recently noted our excessive use of the term “rugged,” which is fair enough. In our defense, embedded gear is increasingly tolerant of wide temperature ranges, and […]

A couple of years of using various Linux distros have shown me a lot of new stuff. Some interesting user interfaces, some new package managers but one place where I haven’t seen many inventions is the terminal. It has always been the same old shell that comes by default. Even though it is one of the most used things, I haven’t seen much of a variation with it.?

Open source powers today's cloud, but many open-source developers haven't profited from the cloud's growth. Storj Labs wants to change that dynamic so both can make money.

Kali Linux Wireless Penetration Testing Beginner's Guide - Third Edition has been updated to Kali Linux 2017.3 with the latest methodologies, including full coverage of the KRACK attack and how to defend against it.

Few people run Python programs by double-clicking the .py file as if it were a .exe file. When a typical user (non-programmer types) double-clicks an .exe file, they expect it to pop open with a window they can interact with. While GUIs, using tkinter, are possible using standard Python installations, it's unlikely many programs do this. What if it were so easy to open a Python program into a GUI that complete beginners could do it? Would anyone care? Would anyone use it? It's difficult to answer because to date it's not been easy to build a custom GUI. read more

Ubuntu allows you to customize your long and rugged bash commands by using short and pleasant aliases as a replacement. In this tutorial, you will learn how to create and use an alias against a command in Ubuntu.

Using Orion you can watch live Twitch streams and past broadcasts, and browse or search games and channels using a nice material user interface. What's more, Orion lets you login to Twitch, so you can chat and follow channels (and receive notifications when a channel you follow goes online).

In the first article in this series comparing Perl 5 to Perl 6, we looked into some of the issues you might encounter when migrating code into Perl 6. In the second article, we examined how garbage collection works in Perl 6. Here, in the third article, we'll focus on Perl 5's references and how they're handled in Perl 6, and introduce the concepts of binding and containers. read more

Continuing from the previous guide, I will demonstrate how to create a repository and manage it, apply changes to it, make certain files and folders exempt from tracking, and how to handle remote servers. In this guide, I will show you an example of such actions being performed by creating a very small website. I will also create a copy on a remote computer that will be used as a backup in case the main repo is ever damaged, or lost.

This article explains how to transition from having a swap partition to a swap file. If you don't need to disable any existing swap partition and all you need is to create a swap file and activate it, simply skip steps 1 and 2.

Mark Shuttleworth, founder of Canonical and Ubuntu Linux discusses a recent cryptojacking attack and efforts his company is taking to secure users and applications.

Isn’t monitoring just monitoring? Doesn’t it include logging, visualization, and time-series data? The terminology around monitoring has caused a lot of confusion over the years and has led to some poor tools that tout the ability to do everything in one format. Observability proponents recognize there are many levels for observing a system. Metrics aggregation is primarily time-series data, and that’s what we’ll discuss in this article. read more

Internet works with IP numbers and to get from a domain name to its IP number address the Domain Name System DNS is used. You can set up your own name service or use, for example, your hosting provider's name service. This tutorial shows how to run your own nameserver setup with ISPConfig.

Natural language processing (NLP) is an exciting field of computer science, artificial intelligence, and computational linguistics concerned with the interactions between computers and human (natural) languages. It includes word and sentence tokenization, text classification and sentiment analysis, spelling correction, information extraction, parsing, meaning extraction, and question answering.

Most images on the Web are small or medium sized, since otherwise users need to wait longer before their favorite web pages load. However, sometimes you need to find a larger version of an image, but the search doesn’t bear fruit. Any bitmap image can be scaled up or down in an image editor (such […]

The recently released 4.18 Linux kernel has already moved up to 4.18.5. How soon it lands on your system or network depends a lot on which Linux distributions you use.

Composer is a dependency manager for PHP. Composer will pull in all the required PHP packages your project depends on and manage them for you.

Networks, cyberattacks, and the strategies used to stop them are continuously evolving. Security deception is an emerging cyber-defense tactic that allows researchers and information security professionals to observe the behavior of attackers once they've gained access to what they think is a business network.