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Back End: OpenStack, Kubernetes and Mirantis

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  • My summary of the OpenStack Train PTG aka Denver III

    This was the first re-combined event with both summit and project teams gathering happening in the same week and the third consecutive year that OpenStack has descended on Denver. This is also the first Open Infrastructure summit - the foundation is expanding to allow other non openstack projects to use the Open Infrastructure foundation for housing their projects.

    This is a brief summary with pointers of the sessions or rooms I attended in the order they happened. The full summit schedule is here and the PTG schedule is here.

  • Running networking labs over Kubernetes with Antidote

    I’ve just come across Antidote a recent project that intends at running networking-oriented labs over Kubernetes. It is developped by members of the Network Reliability Engineering community (Juniper-related, AFAIU), to power the NRE Labs platform.

    It looks very similar to other platforms that allow you to run labs remotely in consoles opened on cloud machines, alongside lab instructions.

    I find it interesting as the code is published under FLOSS license (Apache), and seems to be runable over any Kubernetes installation: you can test it with Minikube through the selfmedicate repo.

  • [SUSE] Kubernetes – the not so secret ingredient to enterprise success

    Five years ago, the word Kubernetes rang familiar to no one. Fast forward to today and it’s become one of the most well-known container management systems across the globe. Its popularity has grown so much that it’s been recently declared the leading system in the “war for container orchestration dominance” by Forrester in its 2018 cloud predictions.

    As it stands, almost 4,000 organisations across the world use Kubernetes, and CIOs within every industry consider it to be the management system of choice – especially when dealing with DevOps. It has seen such success that many of the major cloud providers, such as Microsoft and Amazon, have integrated it into their application infrastructure.

  • Configure On-Premise Cloud Environments In Minutes

    Mirantis has launched a web-based SaaS application to help users deploy a compact cloud and experience the flexibility and agility of Infrastructure-as-Code. Model Designer for Mirantis Cloud Platform (MCP) is said to help infrastructure operators build customized, curated, exclusively open source configurations for on-premise cloud environments.

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

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.