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Fedora and IBM/Red Hat Leftovers

Submitted by Roy Schestowitz on Wednesday 24th of March 2021 02:51:00 AM Filed under
Red Hat
  • How to rebase to Fedora Silverblue 34 Beta

    Silverblue is an operating system for your desktop built on Fedora Linux. It’s excellent for daily use, development, and container-based workflows. It offers numerous advantages such as being able to roll back in case of any problems. If you want to update to F34 Beta on your Silverblue system, this article tells you how. It not only shows you what to do, but also how to revert back if anything unforeseen happens.

  • Video: Fedora Council Update: Respins SIG

    I've been an active member of the Fedora Respin SIG for a while now... and here is a Fedora Council meeting where the Fedora Respin SIG is discussed. Enjoy.

  • tmt hints: create a basic test

    For those who still haven’t heard: tmt is now fully-supported in Packit, Fedora Continuous Integration (CI) system, and the RHEL CI system. Now you can use the same concise and consistent config to enable tests across all of them, more easily open source tests, share test coverage across releases ,and run tests as early as possible.

    In the coming weeks we’ll be sharing short, bite-sized examples demonstrating tmt usage. With these, new users can get started quickly and existing users won’t miss various interesting and useful features hidden under the hood.

  • Quick tips for the OpenShift oc client | Enable Sysadmin

    If you've played around with Kubernetes, you are aware of the rapid evolution of the most widely used container orchestration platform. Red Hat OpenShift is an enterprise-ready application platform built on Kubernetes and ready for production environments. With OpenShift 4, Red Hat aims to provide new releases at a frequent cadence. To help keep on top of all of the new changes, and to help and sysadmins and DevOps people who have to deal with multiple versions of your Kubernetes platform at the same time, I wrote this article hoping to help you more easily overcome challenges you may face.

  • Building a container by hand using namespaces: The mount namespace | Enable Sysadmin

    This article looks at the mount namespace and is the third in the Linux Namespace series. In the first article, I gave an introduction to the seven most commonly used namespaces, laying the groundwork for the hands-on work started in the user namespaces article. My goal is to build out some fundamental knowledge as to how the underpinnings of Linux containers work. If you're interested in how Linux controls the resources on a system, check out the CGroup series, I wrote earlier. Hopefully, by the time you're done with the namespaces hands-on work, I can tie CGroups and namespaces together in a meaningful way, completing the picture for you.

    For now, however, this article examines the mount namespace and how it can help you get closer to understanding the isolation that Linux containers brings to sysadmins and, by extension, platforms like OpenShift and Kubernetes.

  • Using Red Hat's support tool at the command line to solve real-world problems

    The support tool allows you to interact with the Red Hat knowledge base, support tickets, analyze log files, and even set site-wide configuration options, all from the command line! At first glance, that may not seem like a big deal, but consider these real world scenarios.

    You come across some issues getting Nginx to play nice with your Red Hat Enterprise Linux (RHEL) server. You remember that there was a Knowledge Base (KB) article about that very same topic. One problem though: Copy+Paste doesn’t work between your browser and the remote virtual machine (VM) console you are working on. No problem! Install the redhat-support-tool, login to your Access account, search for that KB article, and copy that long command and all its options within your terminal!

    Here's another scenario. You’ve run into some issues with a kernel module. You’re stumped. You want to put your support subscription to good use and ask one of our amazing engineers to give you a fresh perspective. No problem! Create a ticket from the terminal of your affected system, run an SOS report, and attach some debug logs all to the same ticket without ever leaving the terminal!

  • What’s coming for Node.js developers at NearForm event

    Red Hat is sponsoring the very first NearForm Presents event on Mar. 31, hosted by IBM. This online event will feature four talks on interesting topics related to Node.js Core, along with exciting workshop options.

»

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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