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today's howtos

Submitted by Roy Schestowitz on Wednesday 24th of March 2021 06:21:18 PM Filed under
HowTos
  • mosquitto: upgrade from 1.x to 2.x requires configuration changes to keep working

    Conclusions: it seems that mosquitto is now dropping privs before writing the PID file and before reading the certificate and password files.

  • SSH Keygen: a 2021 update

    Not long after the previous article on ssh-keygen, OpenSSH released a whole new version of SSH and related tools. This version came with many changes, the most notable one being the support of FIDO/U2F keys. In this post we summarize these changes, and try to explain some of the inner workings. We’ll focus on ssh-keygen here, and mention other tools when necessary.

  • History of ZFS: Part 1: The Birth of ZFS and How it All Started

    ZFS (or the Zettabyte File System) is approaching its 15th birthday, and over a decade since integration into FreeBSD. Originally created by Sun Microsystems, ZFS grew in popularity because of its advanced features. Today we will take a look at its history.

  • The 5-hour CDN

    The term "CDN" ("content delivery network") conjures Google-scale companies managing huge racks of hardware, wrangling hundreds of gigabits per second. But CDNs are just web applications. That's not how we tend to think of them, but that's all they are. You can build a functional CDN on an 8-year-old laptop while you're sitting at a coffee shop. I'm going to talk about what you might come up with if you spend the next five hours building a CDN.

    It's useful to define exactly what a CDN does. A CDN hoovers up files from a central repository (called an origin) and stores copies close to users. Back in the dark ages, the origin was a CDN's FTP server. These days, origins are just web apps and the CDN functions as a proxy server. So that's what we're building: a distributed caching proxy.

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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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