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today's howtos

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  • Fix “Vagrant failed to initialize at a very early stage” Error

    Today, I started RHEL 8 vagrant machine and got this error - Vagrant failed to initialize at a very early stage. This was the first time I get such error.

  • Install the Raspberry PI Imager on Ubuntu, Debian, Fedora and openSUSE - PragmaticLinux

    The relatively new Raspberry PI Imager application is great for downloading, configuring and writing the Raspberry PI operating system to your micro SD card. No more fiddling around with dd command-line parameters in the terminal. There is just one snag if you run Linux: the Raspberry PI Imager application is currently only packaged for Ubuntu. This article explains how you can install the Raspberry PI Imager on other Linux distributions as well, such as Debian, Fedora and openSUSE.

  • What is Localhost

    Like humans, computer machines also have unique names and addresses. Technically, we identify the computers with hostname [name of the host machine] and IP address.

  • How to get the most out of GitOps right now

    GitOps is a great starting point to understand what is running in production, but it may need a little more augmentation to get it working just right for your engineering team.

  • How I use Terraform and Helm to deploy the Kubernetes Dashboard |

    When I'm working on projects that require provisioning cloud infrastructure, my workflow has two disparate components: one is infrastructure orchestration, which includes Terraform to bring up the infrastructure (for instance, new EKS clusters), and the second is the provisioning component, which includes Ansible or Bash scripts to instantiate and initialize that infrastructure to accept new deployments (for instance, installing Cluster Autoscaler, kube-state-metrics, and so on.)

    The reason for this is simple: very few tools can cross over and handle both the orchestration and the provisioning side. When I stumbled on the Helm provider for Terraform, I wanted to explore the possibility of using one tool to handle both sides: using Terraform to bring up a new EKS cluster and provision it with Prometheus, Loki, Grafana, Cluster Autoscaler, and others, all in one neat and clean deployment. But that's not happening until I figure out how to use this thing, so below is my experience using Terraform and Helm for something simple: deploying the Kubernetes Dashboard.

  • 18 Useful Tar Command Examples for Every Linux Sysadmin

    The Linux “tar” stands for tape archive, which is used by a large number of Linux/Unix system administrators to deal with tape drives backup.

    The tar command is used to rip a collection of files and directories into a highly compressed archive file commonly called tarball or tar, gzip and bzip in Linux.

    The tar is the most widely used command to create compressed archive files and that can be moved easily from one disk to another disk or machine to machine.

  • Best way to install Docker on Ubuntu 20.04 Linux - Linux Shout

    Docker doesn’t need any introduction now, it is a popular and free-to-use container solution that has established itself very well in the field of container-based applications. Here we will learn the best way to install Docker on Ubuntu Hirsute 21.04, Ubuntu Groovy 20.10, Ubuntu Focal 20.04 (LTS), and Ubuntu Bionic 18.04 (LTS).

    Being a containerized software solution, Docker offers all functions needed to virtualize applications and operate the containers in an isolated environment from one another, on a host system. A container contains all the resources required to run an application, including the application code, the runtime environment, the system libraries, and the system tools. The system which manages the computer’s resources to the individual containers and ensures their isolation on the host system is called Docker Engine.

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.