Showing headlines posted by bob

In my Terraform for Kubernetes beginners article, I used Terraform 11, and in an upcoming article, I'll cover upgrading from Terraform 11 to 12. To prepare for that, in this article, I'll show you how to use tfenv, a tool that makes it much easier to convert from one version to another, as well as to manage multiple Terraform versions in your work environment.

The Qt advantage? 'We're a weird by-product of coffee machines and cars' Interview KDE Plasma is a Linux desktop which has just been updated to 5.20 - but why should users consider it instead of GNOME, the default for Ubuntu and Red Hat, or the lightweight Xfce? We spoke to Plasma maintainers David Edmundson and Jonathan Riddell.…

Containerization is a booming technology. Continue reading to see how POSIX capabilities are used to secure Podman containers.

Seeed’s $49.90 “Quantum Mini” dev kit features an M.2 form-factor “Quark-N” module that runs Ubuntu Core on an Allwinner H3 plus a 40 x 35mm “Atom-N” carrier with 3x USB ports and WiFi/BT. The Quantum Mini Linux Development Kit is a collaboration between Seeed and Zhihui, a maker and AI algorithm engineer who has a […]

A vulnerability in MIT Kerberos 5 could lead to a Denial of Service condition.

From a security viewpoint, it's important to encrypt your sensitive data to protect it from prying eyes and hackers. Linux Unified Key Setup (LUKS) is a great tool and a common standard for Linux disk encryption. Because it stores all pertinent setup information in the partition header, it makes migrating data easy. read more

Hexo is a static blogging framework built on Node.js, it allows you to write posts in Markdown format. In this tutorial, you will learn how to Install Hexo and use it to create a blog on Ubuntu 20.04 based server.

Serialization is the process of transforming data into a format that can be stored or transmitted and then reconstructing it. It's used all the time when developing applications or storing data in databases, in memory, or converting it into files. I recently helped two junior developers at Labcodes understand serializers, and I thought it would be good to share my approach with Opensource.com readers. read more

Data Modul announced a universal “eDM-CB-SM-IPCS” carrier for Arm and x86 SMARC modules plus a Linux-ready “eDM-SMX-EL” SMARC module featuring Intel’s Elkhart Lake Atom x6000E. One of the benefits of standardized compute module form factors such as SMARC is that manufacturers can easily upgrade to a faster new module using the same basic design and […]

Canonical has ported its Juju DevOps approach to making Kubernetes Operators easier and more manageable.

If you're running your own mailserver, it's best practice to connect to it securely with a SSL/TLS connection. You'll need a valid certificate for these secure connections. In this tutorial, we'll set up a Let's Encrypt certificate for our mailserver that renews automatically.

Artificial intelligence (AI) is being used more frequently in our daily lives, with systems such as Siri and Alexa becoming commonplace in many households. Many households themselves are "smart," powered by devices that can control your lights, heating and air, and even the music playing. And those music players are powered by AI that recommends songs and artists you may like. read more

Cron is a built-in Linux utility used to run different processes within the computer system at a particular scheduled time. This tutorial will assist you through several techniques to schedule and list Cron jobs in Linux.

Coincidentally, Python creator Guido van Rossum joins Microsoft Python has surpassed Java to become the second-most popular programming language in the TIOBE index, one of several imprecise yardsticks used to rank what's in vogue among coders.…

vnStat is a free, open-source and console-based network traffic monitoring tool for Linux operating system. With vnStat, you can monitor network statistics over various time periods.

No, that's not a misprint. The famed open-source developer has come out of retirement to join Microsoft Developer Division and continue his work on the Python language.

FriendlyElec has posted specs on a “NanoPi R4S” SBC equipped with a hexa-core RK3399 with up to 4GB LPDDR4, a microSD slot, dual GbE, dual USB 3.0, and -20 to 70? support. Rockchip’s RK3399 has been dropping in price over the years, with RK3399-based Linux hacker boards starting at over $100 but now selling for […]

We at The Linux Foundation (LF) work to develop secure software in our foundations and projects, and we also work to secure the infrastructure we use. But we’re all human, and mistakes can happen. So if you discover a security vulnerability in something we do, please tell us! If you find a security vulnerability in […]

ASRock unveiled a “4×4-V2000” SBC and “iBOX-V2000” mini-PC based on it that feature AMD’s Ryzen Embedded V2000. Meanwhile, Ibase previewed a Mini-ITX SBC and signage player based on the V2000. ASRock and Ibase have each announced several products based on AMD’s new Ryzen Embedded V2000 system-on-chip. ASRock’s 4×4-V2000M and 4×4-V2000V SBCs drive its new iBOX-V2000M […]

I'm very excited about GNOME 3.38. The new version of the Linux desktop environment includes lots of new features and a noticeable performance boost. But in the background, mostly unnoticed, is another neat new thing about GNOME: the development of GNOME OS.