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today's howtos

Submitted by Roy Schestowitz on Monday 22nd of February 2021 04:55:32 PM Filed under
HowTos
  • How To Install Postfix on CentOS 8 - idroot

    In this tutorial, we will show you how to install Postfix on CentOS 8. For those of you who didn’t know, Postfix is a free and open-source MTA (Mail Transfer Agent) used for routing or delivering emails on a Linux system. By the default configuration it permits local mailing, however in itself it is very useful on a machine used by many customers, or even if there may be no such visitors, many services dump their reviews and messages into e-mails, which is introduced to the root consumer locally, so the sysadmin might be noticed on any activities when he/she logs in and switches to root user.

    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 through the step by step install of the Postfix Mail on CentOS 8.

  • The best practice method to install VirtualBox on Fedora 32/33 (and later) | KageSenshi's Log

    In any linux distribution, there will be multiple methods to achieve a certain goal. You might have encountered many guides out there on how to install VirtualBox on Fedora, however, please take note, many of them uses intrusive methods which can be difficult to maintain in long run, and would likely to break after a kernel update.

    Everytime I caught a new team member following those guides, I tend to get annoyed, so I think I should write up the best practice method of doing this, which I have practiced on my Fedora installation for years now.

  • How to Create, Resize and Delete Linux Partitions With Cfdisk

    Partitioning your disks is one of the most frustrating tasks that you will come across while installing Linux. Sophisticated command line tools make it tricky for beginners to get started with partition management.

    What you need is a partitioning management tool specially developed for beginners. Here's when Cfdisk comes to the rescue. For those who want to manage partitions on their computer in a better way, Cfdisk is the best choice.

    Here's how to create new partitions in Linux with Cfdisk, along with resizing, changing, and deleting partitions.

  • Five key tips to start your network automation adoption journey

    Getting started with an automation project can be a daunting task, to say the least. As a consultant and architect at Red Hat, the question I get most often is, "How do I get started doing a network automation project?" In this post, I'll share five things you need to do to get started.

    I talk to all sorts of people about network automation. After spending years building out massive networking automation projects with tens of thousands, and hundreds of thousands of devices, I think that device management is easier and more accessible than ever before.

    Ansible has evolved quickly, and in a lot of ways, device configuration is a problem that’s been solved in a number of ways. Often, the biggest hurdle is often just getting your head wrapped around the various options and ideas about how to do things one way or another.

»

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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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