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today's howtos

Submitted by Roy Schestowitz on Tuesday 19th of April 2022 11:18:55 AM Filed under
HowTos
  • How To Install MusicBrainz Picard on RHEL | CentOS | Rocky Linux

    In this guide, we will show you how to install MusicBrainz on RHEL | CentOS | Rocky Linux systems

    MusicBrainz Picard is a free and open-source software application for identifying, tagging, and organising digital audio recordings. It developed by the MetaBrainz Foundation, a non-profit company that also operates the MusicBrainz database.

  • Proxmox VE 7 Corosync QDevice in a Docker container

    For a cluster (in any sense of the word), you need at least 3 nodes, otherwise there is no quorum. Meaning, if one node goes down, it (and the other node) cannot know if the problem is at their side or the other side. With an uneven number of nodes, one node can always ask another node, hey, it is just me or do so see the issue as well? If it receives no reply, it knows it's their problem, if the other node does reply, they know it's the third node that has the problem. Corosync, the cluster software used by Proxmox, supports an external Quorum device. This is a small piece of software running on a third node which provides an extra vote for the quorum (the extra vote) without being a Proxmox VE server. Any cluster with a even number of nodes can get such a split-brain situation, and in my experience, those are bad.

  • [Old] The Domain Name System (6/6)

    When you typed blog.bithole.dev into your browser, it sent a request addressed towards my server at 142.93.26.121, which replied with this blogpost. But how did it know where to send the request? The answer is the domain name system, or DNS. Let's see how it works.

  • Where Linux's load average comes from in the kernel

    Suppose, not hypothetically, that you have a machine that periodically has its load average briefly soar to relatively absurd levels for no obvious reason; the machine is normally at, say, 0.5 load average but briefly spikes to 10 or 15 a number of times a day. You would like to know why this happens. Capturing 'top' output once a minute doesn't show anything revealing, and since these spikes are unpredictable it's difficult to watch top continuously to possibly catch one in action. A starting point is to understand how the Linux kernel puts the load average together.

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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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