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Updated 2019-05-24 00:16
Hardware bootstrapping with Ansible
At a recent Ansible London Meetup, I got chatting with somebody about automated hardware builds. "It's all cloud now!" I hear you say. Ah, but for many large organisations it's not—they still have massive data centres full of hardware. Almost regularly somebody pops up on our internal mail list and asks, "can Ansible do hardware provisioning?" Well yes, you can provision hardware with Ansible…read more
What is explainable AI?
Explainable AI means humans can understand the path an IT system took to make a decision. Let’s break down this concept in plain English – and explore why it matters so much.
How To Enable Or Disable SSH Access For A Particular User Or Group In Linux?
As per your organization standard policy, you may need to allow only the list of users that are allowed to access the Linux system. Or you may need to allow only few groups, which are allowed to access the Linux system. How to achieve this? What is the best way? How to achieve this in a simple way?
Mozilla Firefox 67 Is Now Available for All Supported Ubuntu Linux Releases
The recently released Mozilla Firefox 67 web browser is now available for download from the official software repositories of all supported Ubuntu Linux operating systems.
Open-spec Omega2 LTE SBC features Cat 4 and GNSS
Onion’s $99, sandwich-style Omega2 LTE SBC for remote sensor applications with a MIPS-based, WiFi-enabled Omega2S+ compute module, a Quectel EC25 chipset with LTE Cat 4 and GNSS, plus USB Type-C, microSD, and battery support. Last December, Onion updated its MIPS-based, WiFi-enabled Omega2 board with a similarly OpenWrt-driven Omega2 Pro SBC that increased RAM to 512MB […]
Testing a Go-based S2I builder image
In the first two articles in this series, we explored the general requirements of a Source To Image (S2I) system and prepared an environment specifically for a Go (Golang) application. Now let[he]#039[/he]s give it a spin.
Space Station welcomes free-flying, Ubuntu-powered autonomous robots
NASA has deployed three free-flying “Astrobee” robots on the ISS for house-keeping tasks. The bots run Ubuntu/ROS and Android 7.1 on Snapdragon-based Inforce modules and a Wandboard and feature 3x payload bays, 6x cameras, and a touchscreen. We haven’t heard a news from the IBM Watson connected CIMON social robot since it debuted with a […]
How to Install the Latest AMD Drivers on Debian 10 Buster
Even though the AMD drivers are open source, they still depend on closed binary firmware. Therefore, AMD drivers won't work by default on a Debian system. Installing them is fairly simple, though, and so is installing key software like Vulkan.
How to Install VLC Media Player on CentOS 7
VLC is a popular open source multimedia player and streaming media server.
Zombieload, Nextcloud, Peppermint 10, KDE Plasma, IPFire, ArcoLinux, LuneOS | This Week in Linux 67
TWinL67: Zombieload, Nextcloud, Peppermint 10, KDE Plasma, IPFire, ArcoLinux, LuneOS, SouthEast LinuxFest, Superpaper, Pinephone, Valve: SteamOS, Steam Client Beta, Proton, id Software Going Vulkan
Bringing the Benefits of Linux Containers to Operational Technology
Linux container technology was introduced more than a decade ago and has recently jumped in adoption in IT environments....
openSUSE Leap 15.1 Officially Released, Based on SUSE Linux Enterprise 15 SP1
The openSUSE Project announced today the release and general availability of the openSUSE Leap 15.1 operating system, the first minor point release to the openSUSE Leap 15 series.
Kubernetes security: 4 strategic tips
Kubernetes security experts share the tips that will help you avoid trouble – and maybe even build support for security across your organization.
How to Install NodeBB on Debian 9
In this tutorial we will describe the steps of installing NodeBB, along with all of its prerequisites on a Debian 9 VPS. NodeBB is a free and open-source discussion platform that utilizes web sockets for instant interactions and real-time notifications.
How to use Vokoscreen to Record Videos on Ubuntu
Vokoscreen is a screen recording tool that can be used to record educational videos, live recordings of the browser, installation, videoconferences, etc. In this article, we will explain how you can install and use Vokoscreen on Ubuntu.
Kali Linux Ethical Hacking OS Now Supports More Than 50 Android Devices
Offensive Security have released the second maintenance update to the Kali Linux 2019 operating system, adding all the latest software releases, GNU/Linux technologies, and other enhancements.
Setup Ruby on Rails Development environment with Docker and Docker Compose on Ubuntu
In this tutorial, I will show you how to set up a development environment for Ruby on Rails applications using Docker and Docker compose. We will be using Ubuntu 18.04 as the hosts operating system.
How to install DNS server on RHEL 8 Linux
This guide will show how to install and configure a DNS Server in RHEL-8 in caching mode only or as single DNS Server, no master-slave configuration. A reverse and forward zone example is provided.
Kali Linux 2019.2 Release And What’s New
Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. Kali Linux is an open source project that is maintained and funded by Offensive Security, a provider of world-class information security training and penetration testing services.
Convert Markdown files to word processor docs using pandoc
If you live your life in plaintext, there invariably comes a time when someone asks for a word processor document. I run into this issue frequently, especially at the Day JobTM. Although I've introduced one of the development teams I work with to a Docs Like Code workflow for writing and reviewing release notes, there are a small number of people who have no interest in GitHub or working with Markdown.read more
Drill: New Desktop File Search Utility That Uses Clever Crawling Instead Of Indexing
Drill is a new file search utility that uses "clever crawling" instead of indexing.The Drill developer, Federico Santamorena, says that after switching to Linux, he had almost everything he needed, minus a fast desktop-oriented search tool, so he created clone of "Everything" that runs on Linux (as well as Windows and macOS), called, Drill.
How to Tail Multiple Files
Learn two different methods used to tail log files in Linux.
Designing a Source-to-Image build for a Go application
In my first article in this series about Source-to-Image (S2I), we examined the required files and discussed how the S2I standard works with any programming language, from Python to Ruby to Go. Now let's explore designing an S2I build specifically for a Go application. A disclaimer: I still like to call Go "Golang" even though it's not officially called that.read more
Adapter enables offline speech board to work with Raspberry Pi
Audeme has released a $6.50 “Raspberry Pi MOVI Adapter” board and API to enable a Raspberry Pi pairing with its MOVI Arduino Shield for offline speech recognition and synthesis. We’re used to seeing Arduino compatible, MCU-driven HATs and other add-ons for the Raspberry Pi, but in 2015 Audeme flipped that combo on its head with […]
11 Uses for the ‘ps’ Command in Linux
The ps command is a frequently-used tool for system administrators to list the currently-running processes on your system. Here are some great uses for it.
8 Best Free Linux Video Converters
Given there are many different video formats available, a free video converter is an extremely useful piece of software. The best video converters make the conversion process simple, and support a wide number of different codecs and formats.
How to Build Docker Images with Dockerfile
In this tutorial, we will explain what Dockerfile is, how to create one and how to build a Docker image with Dockerfile.
Securing telnet connections with stunnel
Telnet is a client-server protocol that connects to a remote server through TCP over port 23. Telnet does not encrypt data and is considered insecure and passwords can be easily sniffed because data is sent in the clear. However there are still legacy systems that need to use it. This is where stunnel comes to […]
WebAuthn Web Authentication with YubiKey 5
A look at the recently released YubiKey 5 hardwareauthenticator series and how web authentication with the newWebAuthn API leverages devices like the YubiKey for painless websiteregistration and strong user authentication.
Team OpenCensus or OpenTracing? It'll be neither and both now: Hello, OpenTelemetry
How do open-source projects play nicely? They get off TwitterSomething odd happened at Kubecon 2019. Rather than snipe at each other from the safety of Twitter, two very similar open-source projects opted to pool their ideas into one: OpenTelemetry.…
Say Goodbye to the Physical Kilogram (and Perhaps much More)
Advances in science offer increasing degrees of precision, but usually at ever-increasing cost. And not just in terms of millions of dollars of complex instrumentation.
Latest Firefox Release is Faster than Ever
With the introduction of the new Firefox Quantum browser in 2017 we changed the look, feel, and performance of our core product. Since then we have launched new products to … Read moreThe post Latest Firefox Release is Faster than Ever appeared first on The Mozilla Blog.
Mozilla Firefox 67 Web Browser Officially Released, Here's What's New
After a one-week delay due to a major issue with its add-ons mechanism, Open Source company Mozilla officially released the Firefox 67 cross-platform web browser today for Windows, Linux, Mac, and Android.
Linus Torvalds Kicks Off Development of Linux Kernel 5.2, First RC Out Now
With two weeks passed after the release of Linux kernel 5.1, Linus Torvalds has kicked off the development of the upcoming Linux 5.2 kernel series over the weekend.
How to Install the Deb-Multimedia Repository With VLC, Kodi, and FFmpeg on Debian 10 Buster
The deb-multimedia repository is an excellent way to get the latest multimedia software on any Debian release. As an added bonus, it comes with a lot more programs that aren't available in the default repositories. In case you were wondering about stability, the repo is owned and maintained by a Debian developer, so everything is stable and compatible.
Firefox 67.0 Released, ownCloud Announces New Server Version 10.2, Google Launches "Glass Enterprise Edition 2" Headset, Ubuntu Expands Its Kernel Uploader Team and Kenna Security Reports Almost 20% o
News briefs for May 21, 2019.
Timetable Scheduler App For Linux
Timetable is a scheduling app available on flathub repositories. The app is maintained by the Elementary OS team and thus it’s User Interface looks like its own native OS. Might look a bit out of place on GNOME, KDE, Cinnamon, etc but still yet the app works like a charm. Read on below to get more done with Timetable.
How to Install Notepad++ Editor on Ubuntu
In this article, we will show you how to install Notepad++ in Ubuntu using GUI and command line. I will use Ubuntu 18.04 to describe the procedure and methods mentioned in this article.
HP Linux Imaging & Printing Drivers Now Supported on Ubuntu 19.04 and Fedora 30
The HP Linux Imaging and Printing (HPLIP) software, an open-source and free print, scan and fax driver solution for HP printers and scanners, has been updated to version 3.19.5 for Linux-based operating systems.
Transfer Ssh Keys From Github To Server
One line command to download public keys from GitHub and Append them to the authorized_keys file for simple server access
openSUSE considers governance options
The relationship between SUSE and the openSUSE community is currently under discussion as the community considers different options for how it wants to be organized and governed in the future. Among the options under consideration is the possibility of openSUSE setting up an entirely independent foundation, as it seeks greater autonomy and control over its own future and operations.
How to Install Bludit CMS with NGINX on CentOS 7
Bludit is a simple, fast, secure, flat-file CMS that allows you to create your own website or blog in seconds. In this tutorial, we will go through the Bludit CMS installation and setup on CentOS 7 system by using NGINX as a web server.
Getting started with Source-to-Image for building container images
Source-to-Image is an excellent tool for building container images for applications in a fast, flexible, and reproducible way. Usually abbreviated as S2I, Source-to-Image takes a base "builder" image with all the libraries and build tools needed to compile an application or install dependencies (like Python's PIP or Ruby's Bundler) and a set of scripts in predefined locations that are used to build, test, and run the application.read more
How to Upgrade Debian
When a new version of Debian is released, it often brings significant improvements and new features. Learn how to easily upgrade Debian to the newer version
How to Install Skype on Debian 9
Skype is one of the most popular communication applications in the world that allows you to make free online audio and video calls, and affordable international calling to mobiles and landlines worldwide.
Set up a static network connection in Linux
Configuring a network connection from a Linux machine can be challenging. Fortunately, many new Linux distributions come with some type of network management tool that can help you automatically connect to a wireless network.read more
How to install Minecraft server on RHEL 8 Linux
Minecraft is still a popular game these days. The simplicity of its graphics had an appeal on gamers of all ages and there are many hundreds of thousands of players worldwide, most of them playing on online servers. But did you know you can create your own Minecraft server using RedHat Enterprise Linux 8? Here is a how to teaching you exactly how to do it.
How to Install Arduino IDE on Ubuntu
The Arduino IDE is used for writing, compiling and uploading code in Arduino hardware. In this article, we will walk through the steps for installing the Arduino IDE on Ubuntu.
A new and quite interesting Steam Client Beta is out, nice Linux fixes and Vulkan shader downloading
Valve put out a brand new Steam Client Beta yesterday and it sounds like a pretty good one, with Linux issues getting some more attention.
Data in a Flash, Part II: Using NVMe Drives and Creating an NVMe over Fabrics Network
By design, NVMe drives are intended to provide local access to themachines they are plugged in to; however, the NVMe over Fabricspecification seeks to address this very limitation by enabling remotenetwork access to that same device. This article puts into practice what you learned in Part I and shows how to use NVMe drives in a Linux environment.