The system administrator of yesteryear jockeyed users and wrangled servers all day, in between mornings and evenings spent running hundreds of meters of hundreds of cables. This is still true today, with the added complexity of cloud computing, containers, and virtual machines.

In Linux & Unix operating system, everything is a file. It’s well organized in the form of files and directories. This tutorial helps Linux beginners to understand the Linux file permissions in detail.

I run a few static websites for my private projects on GitHub Pages. I'm absolutely happy with the service, as it supports custom domains, automatically redirects to HTTPS, and transparently installs SSL certificates (with automatic issuing via Let's Encrypt). It is very fast (thanks to Fastly's content delivery network) and is extremely reliable (I haven't had any issues for years).

Did you know that Germany just banned its schools from using cloud-based productivity suites from Microsoft, Google, and Apple? The tech giants arent satisfying its privacy requirements with their cloud offerings, it warned. What are your thoughts?

Two of the most popular operating systems compared: Windows vs Ubuntu. Learn more about their differences, similarities, and which one's better for you.

Using a checksum utilities to for file integrity checking is an important part of keeping a secure system. Learn how to generate a checksum, it's use cases and some basic cryptographic hashing functions.

Swap is a space on a disk that is used when the amount of physical memory is full. When a Linux system runs out of RAM, inactive pages are moved from the RAM to the swap space.

Zookeeper is a centralized service for managing configuration information, naming, distributed synchronization, and provisioning of group services that is published as open source software. In this tutorial, we will learn how to set up a single node Apache ZooKeeper Cluster on Ubuntu 18.04 LTS.

At OSCON, IBM unveiled a new open source platform that promises to make Kubernetes easier to manage for DevOps teams.

Snap packages are set to refresh (update) 4 times per day by default, but this can be changed and this article will show you how.

Spreadsheets can be very useful—and not just for managing your finances. That said, desktop spreadsheets have their limitations. The biggest is that you need to be at your computer to use one. On top of that, collaborating on a spreadsheet can quickly become a messy affair. Enter EtherCalc, an open source, web-based spreadsheet. While not as fully featured as a desktop spreadsheet, EtherCalc packs enough features for most people. read more

Video: Today, Red Hat dominates enterprise Linux. Tomorrow, it wants to rule the cloud. With IBM beside it, don't bet against it.

“Linux is Linux is Linux,” is a direct quote I heard in a meeting I had recently with a major multi-national, critical-infrastructure company. Surprisingly and correctly, there was one intelligent and brave engineering executive who replied to this statement...

Zorin OS 15 was launched early June, and among the changes is a new theme for its Gnome (Shell) desktop, which is available in 6 colors, blue, green, grey, orange, purple and red, each being available in light and dark versions. This article includes a preview of these themes, and instructions for installing them on other Linux distributions that use Gnome Shell.

In this article, we will explain how you can install the Conky utility and the Conky Manager application through the Ubuntu command line.

In my previous post, I walked Mac users through the steps they’ll take to install Elasticsearch, the world’s most popular enterprise search engine. (Here's a separate article for Linux users.) Its natural language processing power makes Elasticsearch excel at finding details within datasets. read more

Ibase’s “ET976” COM Express Type 6 module builds on AMD’s Ryzen Embedded V1000 SoC with USB 3.1, SATA III, GbE, PCIe x8, PEG, and more. Ibase announced a COM Express Type 6 module equipped with AMD’s Ryzen Embedded V1000 system-on-chip. The announcement refers to the ET876 as a Compact module (95 x 95mm) like Ibase’s […]

This step by step tutorial explains how to configure apache virtual hosts in Ubuntu operating system.

I've been a gadget person as long as I can remember, so I was delighted when I discovered an Adafruit Circuit Playground Express (CPX) in the swag bag I got at PyConUS in May. I became fascinated with these little devices last year, when Nina Zakharenko highlighted them in her All Things Open presentation, Five Things You Didn't Know Python Could Do, with Python-powered earrings.

News briefs for July 17, 2019.

Sometimes one network interface isn’t enough. Network bonding allows multiple network connections to act together with a single logical interface. You might do this because you want more bandwidth than a single connection can handle. Or maybe you want to switch back and forth between your wired and wireless networks without losing your network connection. […]

Sort command in Linux is used for sorting the contents of the text files. This tutorial shows you some basic examples of the sort command.

In this article, we will explain how you can change the font and font size of the text in Ubuntu Terminal through the Terminal itself. This includes changing the Terminal preferences, that we will learn in this article.

On July 12, Wordfence team(Another popular security plugin for WordPress), discovered a vulnerability called RCE -- Remote Code Execution in Ad inserter.

Nginx is an open-source, high-performance HTTP and reverse proxy server that powers some of the largest sites on the Internet. Compared to Apache, Nginx can handle a much large number of concurrent connections and has a smaller memory footprint per connection. In this tutorial, we'll explain how to install and manage Nginx on Debian 10 Buster.

AOpen’s compact, Linux-friendly “Digital Engine DE5500” embedded PC for kiosk and signage has a 7th Gen CPU, 2x HDMI 2.0, 2x GbE, 3x M.2, and SATA. AOpen is also prepping a Whiskey Lake based smart kiosk with OpenVINO and RealSense. Taiwanese signage vendor AOpen, which offers products such as its Android-driven, i.MX6-based MEP320 signage player, […]

Foliate is an open source eBook reader for Linux. It brings many of the powerful features you'd expect from a top tablet eReader. Install Foliate now.

In this article, I explore a new tool released by the Arduino team that can free you from the existing Java-based Arduino graphical user interface. This allows developers to use their preferred tools and workflow. And perhaps more important, it'll enable easier and deeper innovation into the Arduino toolchain itself.

Security is one of the most important considerations for running in any environment, and using open source software is a great way to handle security without going over budget in your corporate environment or for your home setup. It is easy to talk about the concepts of security, but it's another thing to understand the tools that will get you there. This tutorial explains how to set up security using Jenkins with Anchore. read more

VirtualBox 6.0.10 was released today, and while this is a maintenance release, with mostly bug fixes, it does come with an important addition: support for UEFI secure boot driver signing on Ubuntu and Debian 10+ hosts.