Automate OpenStack using Ansible: Automate OpenStack using Ansible ajscanlas Tue, 02/21/2023 – 03:00 I demonstrated how I manage OpenStack using Terraform in my previous article. Using Terraform as Infrastructure as Code (IaC) is a significant advantage, but it also requires the staff to support it. Sometimes, all you really need is the ability to provision …
Manage OpenStack using Terraform and GitLab: Manage OpenStack using Terraform and GitLab ajscanlas Wed, 02/15/2023 – 03:00 One virtue of GitOps is Infrastructure as Code. It encourages collaboration by using a shared configuration and policy repository. Using GitLab can further enhance collaboration in your OpenStack cluster. GitLab CI can serve as your source control and …
HPC containers at scale using Podman: HPC containers at scale using Podman lastephey Fri, 01/13/2023 – 03:00 This article describes recent work done at NERSC in collaboration with Red Hat to modify Podman (the pod manager tool) to run at a large scale, a key requirement for high-performance computing (HPC). Podman is an open source …
5 must-read resources for using the Linux command line: 5 must-read resources for using the Linux command line Jim Hall Wed, 12/21/2022 – 03:00 In the beginning, there was the command line. While modern Linux distributions include graphical desktops like GNOME and KDE, the command line remains one of the power features of every Linux …
Shopping: how retailers are using the latest technology to boost in-store spending: Smart shopping. Shutterstock/Fit Ztudio Your online world is probably full of adverts persuading you to buy something with a simple touch of your phone. But away from those personal screens, UK retailers are actually spending most of their digital budgets inside their traditional …
7 pro tips for using the GDB step command: 7 pro tips for using the GDB step command Alexandra Thu, 12/08/2022 – 03:00 A debugger is software that runs your code and examines any problems it finds. GNU Debugger (GBD) is one of the most popular debuggers, and in this article, I examine GDB’s step …
Voter suppression: how democracies around the world are using new rules to make it harder to vote: Attempts to stop voters getting to polling stations, increase waiting times to place a ballot or add restrictions on who can vote are becoming issues in democracies around the world. Techniques vary, but the intention is the same …
Using Python in VS Code and Codium: Using Python in VS Code and Codium Don Watkins Wed, 11/09/2022 – 03:00 Over the past couple of years, I have had the privilege of working with middle school children to introduce them to Python coding and the Raspberry Pi 400. It’s been a lot of fun, and …
Facial recognition: why we shouldn’t ban the police from using it altogether: 100% accurate? varuna The UK police are being accused of breaking ethical standards by using live facial recognition technology to help fight crime. A recent report by the University of Cambridge into trials of the technology by forces in London and south Wales …
Tips for using the Linux test command: Tips for using the Linux test command Seth Kenlon Wed, 10/26/2022 – 03:00 The [ command, often called a “test,” is a command from the GNU Core Utils package, and initiates a conditional statement in Bash. Its function is exactly the same as the test command. When you …
Four ways to spot hints of alien life using the James Webb Space Telescope: An artist's impression of planet Gliese 667 Cc at sunset. ESO/L. Calçada, CC BY The study of exoplanets, worlds which orbit stars other than our sun, is currently being transformed by the new James Webb Space Telescope (JWST). We will shortly …
Deploy applications using Foreman ACD: Deploy applications using Foreman ACD Maximilian Kolb Wed, 10/12/2022 – 03:00 When you manage your IT infrastructure using Foreman and Katello, the smallest unit to operate on is generally a host. You can provision hosts, deliver versioned content, and set configurations. Using Foreman ACD, you can use your Foreman instance …
Build an open source project using this essential advice: Build an open source project using this essential advice Bolaji Ayodeji Wed, 09/28/2022 – 03:00 Open source is a flourishing and beneficial ecosystem that publicly solves problems in communities and industries using software developed through a decentralized model and community contributions. Over the years, this ecosystem …
How I recovered my Linux system using a Live USB device: How I recovered my Linux system using a Live USB device David Both Mon, 09/12/2022 – 03:00 I have a dozen or so physical computers in my home lab and even more VMs. I use most of these systems for testing and experimentation. I …
West Africa’s fisher women are experts at coping with job insecurity – but policymakers are using their resilience against them: A large number of West African women rely on the blue economy to survive MaaikeZaal/GettyImages All along West Africa’s coastline, women play a vital role in the fisheries sector as processors, traders and distributors. But …
Saving home energy using open organization principles: Saving home energy using open organization principles Ron McFarland Mon, 09/05/2022 – 03:00 Register or Login to like Register or Login to like There are (at least) two ways to look at the move to more green power generation: the supply side and the demand side. The supply …
Cost of living: four ways to stop banks and companies using complex maths against you: You can do it. Krakenimages.com/Shutterstock The cost of living crisis is dominating headlines at the moment. With so much conflicting information flying around, it can be hard to work out what is the best way to look after your household …
UTIs are still diagnosed using a 140-year-old method – here’s why: This common testing technique was first invented in 1887. Babul Hosen/ Shutterstock If you’ve ever had a urinary tract infection (UTI) before, you know what a pain it can be. Not just because of the physical pains it causes, but because it can also …