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Servers: Docker, Kubernetes and OpenStack

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  • Docker Founder Solomon Hykes Announces Exit from Docker Inc.

    In surprise move, Docker Inc. founder Solomon Hykes announced on March 28 that he is leaving the company he created.

    "After 10 years building Docker, now feels like the natural moment to move on," Hykes wrote in an email to eWEEK. "That's obviously not an easy decision, but I'm certain that it is the right one for everyone."

    The company that Hykes is now leaving is a very different one than the one he created back in November 2007, which was originally known as dotCloud. In March 2013, Hykes introduced the world to the open-source Docker project, re-inventing containers and ushering in a new age of cloud native applications.

  • Public cloud security: Follow the Goldilocks principle

    Security pervades just about every aspect of IT these days: data breaches, IoT devices, AI, containers, development pipelines and more. Ask me what’s at the top of the list of just about any IT leader’s challenges, and I’ll do my best Amazing Kreskin impression: “Security!” – and I’ll almost certainly be right.

  • Just say no to root (in containers)

    OpenShift is Red Hat's container platform, built on Kubernetes, Red Hat Enterprise Linux, and OCI containers, and it has a great security feature: By default, no containers are allowed to run as root. An admin can override this, otherwise all user containers run without ever being root. This is particularly important in multi-tenant OpenShift Kubernetes clusters, where a single cluster may be serving multiple applications and multiple development teams. It is not always practical or even advisable for administrators to run separate clusters for each. Sadly one of the biggest complaints about OpenShift is that users can not easily run all of the community container images available at docker.io. This is because the vast majority of container images in the world today require root.

  • 12 Kubernetes distributions leading the container revolution

    Kubernetes has become the project to turn to if you need container orchestration at scale. The open source container orchestration system out of Google is well-regarded, well-supported, and evolving fast.

    Kubernetes is also sprawling, complex, and difficult to set up and configure. Not only that, but much of the heavy lifting is left to the end user. The best approach, therefore, isn’t to grab the bits and try to go it alone, but to seek out a complete container solution that includes Kubernetes as a supported, maintained component.

  • Kubernetes 1.10 Release Advances Storage and Improves Security

    The first major release of 2018 for the open-source Kubernetes container orchestration platform is now available, including a patch for a critical vulnerability that could have enabled an attacker to access the host filesystem.

  • Nexenta Achieves Certification for Red Hat OpenStack Platform Certification

    Nexenta Certification with Red Hat OpenStack Platform Helps to Enable Telcos and Enterprises to Fuel Expansion of Software Defined Hybrid and Multi Clouds

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.