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In my article 5 reasons the i3 window manager makes Linux better, I shared the top five reasons I use and recommend the i3 window manager as an alternative Linux desktop experience. In this post, I will walk through the installation and basic configuration of i3 on Fedora 28 Linux. 1. Installation Log into a Fedora workstation and open up a terminal. Use dnf to install the required package, like this: read more

Netdata is a free, open source, simple and real-time performance and health monitoring tool with a beautiful web front-end. In this tutorial, we are going to look at how to install Netdata performance Monitoring tool on Ubuntu 18.04 server.

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 […]

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

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

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.

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 […]

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.

News briefs for August 28, 2018.

In Linux, if you want to print a file's content on stdout, the first command that comes to mind is cat. However, there may be times when the requirement is to remove certain part of the file and print only the rest of the content. You'll be glad to know there exists a tool - dubbed cut - that lets you do this.

Only thing left now is a Supreme Court bid Over eight years of feuding between Oracle and Google over the use of Java code in Android may be nearing its end following a Tuesday court ruling.…

Nexcom’s compact, IP67 protected “VTC 1911-IPK Telematics IoT Gateway” runs on a Bay Trail Atom and offers CAN 2.0B, dual mini-PCIe and SIM slots, GPS, 2x GbE, SATA, and more. It’s resistant to shock, vibration, humidity, and -40 to 70°C temperatures. With flooding and sea-level rise on the rise due to climate change, there will […]

What's the practical risk with 3D-printed firearms today? In this opinion piece, Kyle explores the current state of the art.

In a complex IT environment, even the smallest tasks can seem to take forever. Sprawling systems are hard to develop, deploy, and maintain. Business demands only increase complexity, and IT teams struggle with management, availability, and cost. How do you address this complexity and while meeting today's business demands? There is no doubt that Ansible can improve your current processes, migrate applications for better optimization, and provide a single language for DevOps practices across your organization. read more

Teach Mutt yet another trick: how to filter messages in your Inbox with a simple macro.