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If you're following this ongoing C programming tutorial series, you'd be aware of the concept of arrays. To quickly refresh, arrays are used to store multiple values of the same type in continuous storage.

In the first two articles in this series, I shared how you can use your GPG key to authenticate your SSH connections and import existing SSH keys. Once you're using more than two or three SSH keys, managing them can become more complicated. In this final article, I'll explain how to manage multiple SSH keys using the control file and how to make changes to manage them as GPG authentication subkeys. read more

Today, we are going to have a look at some ways using GUI and Terminal to play mp3 files in Ubuntu. I am using Ubuntu 18.04 LTS for running commands and explaining the methods.

This document describes how to install and configure Jailkit in Debian 9 Server. Jailkit is a set of utilities to limit user accounts to specific files using chroot() and or specific commands. Setting up a chroot shell, a shell limited to some specific command, or a daemon inside a chroot jail is a lot easier and can be automated using these utilities.

The $68 “ionware sdk1” is a home automation controller board add-on for the Raspberry Pi Zero W with 7x universal inputs and 7x digital outputs plus a OpenHABian Linux stack with graphical Ladder Logic programming. A startup called ionware has launched an ionware starter development kit 1 home automation add-on board for the Raspberry Pi […]

2DayGeek: apt-clone is allow us to backup the installed packages and restore them on fresh Ubuntu system on demand.

In this article, I will show you how to install VMware tools in Ubuntu 18.04 TLS. You can also apply these methods on the older versions of Ubuntu.

Recently, David Humphrey posed a seemingly straightforward question on Twitter. When was the MIT License created? I can't find any source that gives a year. read more

Docker and Arm have announced a partnership that will allow containerized applications for Arm to the developed on x86 hardware.

Open Source Graylog server allows you to gather logs from different sources and visualize the logs in a web interface. Learn how to configure Graylog server.

In this guide, I'll show you how to manage files using ansible modules. You will learn how to copy, edit, insert, download and replace files using Ansible.

Video: Making fast hash tables in programming, which don't cause collision trouble, is one of computing's holy grails. Facebook thinks it's created a good one.

Phorum is a PHP and MySQL based Open Source forum software. In this guide, we will guide you step-by-step through the Phorum installation process on the Ubuntu 18.04 LTS operating system using Nginx as the web server, MySQL as the database, and acme.sh and Let's Encrypt for HTTPS.

I love containers. You love containers. We all love containers. But is our love for them blinding to us the fact that we often don't really know what's running within them? Containers are only as secure as their contents.

Gogs is a self-hosted open source git server written in Go. It includes a repository file editor, project issue tracking, and a built-in wiki. This tutorial covers the steps to install and configure Gogs on Ubuntu 18.04. The same instructions apply for Ubuntu 16.04 and any other Ubuntu-based distribution.

Sapphire has launched an “AMD FS-FP5R 5?5” SBC with an AMD Ryzen Embedded R1000 SoC plus 2x GbE, 3x DP++, USB 3.1, SATA III, and M.2 expansion. Sapphire also sells two Ryzen V1000 based SBCs. Hong Kong based Sapphire Embedded Solutions is primarily known for its gaming and graphics cards, but it also has an […]

Harvey, a color conformance app for keeping accessibility in mind when designing websites, has been released as flatpak app recently. I've tried the app and found it to be simple but effective.

Building on the success of Firefox Quantum, we have a renewed focus on better enabling people to take control of their internet-connected lives as their trusted personal agent — through continued evolution of the browser and web platform — and with new products and services that provide enhanced security, privacy and user agency across connected life.

Before I begin this test of Linux graphic design tools, I should admit two things up front. First, I am a designer, not a software developer. Second, although I try to incorporate open source methodologies and principles wherever I can, my field pretty much demands that I use Adobe software on a sticker-emblazoned MacBook Pro. (I know, hate me if you must.) For the purposes of this research project, however, I am running Fedora 29 on a repurposed Mac Mini. read more

HTTP is the protocol used by the World Wide Web, that's why being able to interact with it programmatically is essential: scraping a web page, communicating with a service APIs, or even simply downloading a file, are all tasks based on this interaction. Python makes such operations very easy: some useful functions are already provided in the standard library, and for more complex tasks it's possible (and even recommended) to use the external requests module.