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today's howtos

Submitted by Roy Schestowitz on Tuesday 27th of April 2021 02:13:49 PM Filed under
HowTos
  • Maybe a local, on-machine caching DNS resolver should be standard (for us)

    So far, we've been aggressive about disabling systemd-resolved in our install system (and haven't set up any other local caching resolver). However I'm starting to wonder if we should change that, especially if Ubuntu switches to normally wanting systemd-resolved on (so that, for example, netplan is unhappy with you if resolved isn't running).

  • [Old] Speech to birdsong conversion

    A proof-of-concept script using the Perl-SoX-csdr command-line toolchain is available (source code here). The result sounds surprisingly blackbird-like. Even the little trills are there, probably as a result of FM noise or maybe vocal fry at the end of sentences. I got the best results by speaking slowly and using exaggerated inflection.

  • How to Generate Strong and Random PSK Keys on Linux

    During data encryption, a PSK key is required for authentication purposes. It is an effective security protocol as someone who doesn't know about the key won't be able to decrypt the data. Therefore, choosing a strong PSK key is important if you are serious about protecting your data from intruders.

    But why are PSK keys important and how you can generate strong and random PSK keys automatically in Linux?

  • How To Install Apache on AlmaLinux 8 - idroot

    In this tutorial, we will show you how to install Apache on AlmaLinux 8. For those of you who didn’t know, Apache is one of the most popular and longstanding HTTP servers. It’s an open-source and cross-platform web server software providing powerful features which can be extended by a wide variety of modules. Developed and maintained by Apache Software Foundation.

    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 installation of the Apache webserver on an AlmaLinux 8.

  • How To Install GNOME 40 On Ubuntu 21.04 Hirsute Hippo For Testing Purposes [PPA] - Linux Uprising Blog

    This article explains how to install GNOME 40 on Ubuntu 21.04 (Hirsute Hippo) for testing purposes, using a third-party PPA.

    GNOME 40 includes a new Activities Overview design with workspaces arranged horizontally and Dash at the bottom of the screen, updates to the GNOME apps, and much more, which you can read here. Ubuntu 21.04, which was released recently, continues to use GNOME 3.38, so you'll have to wait another 6 months to get GNOME 40 on Ubuntu, unless you use something like the PPA mentioned in this article.

    It's very important to note that the PPA is neither official nor stable. It should only be used for testing purposes. Below you'll find instructions for reverting the changes and purging the PPA, but that doesn't always work properly!

    For example, I had this PPA for a few days, and this morning when trying to purge it, it wanted to remove half the GNOME packages installed on my Ubuntu 21.04 desktop. I was able to fix this, but if you don't know how to do this, you'll end up with a broken desktop.

  • How to Delete Files and Directories Using the Terminal in Debian 10

    We have already covered how to search for a file in Debian. In this article, I am going to demonstrate how you can delete files and directories using the terminal. There are several commands and I’ll explain them one by one with examples. I am using Debian 10 here. However, the commands and procedures mentioned below should be almost the same across different Linux distributions.

  • How to Generate UUID in Linux

    UUID (Universally Unique identifier) is a 128-bit unique number standardized by the Open Software Foundation. This number is universally unique and really impossible for a user to guess.

    This tutorial shows how to generate UUID in Linux using uuidgen command line utility tool.

  • How to Install LEMP Stack on Ubuntu 20.04

    The LEMP stack is a group of software used to create and deploy dynamic websites and web applications. This group of software comprises Linux, Nginx, MySQL or MariaDB, and PHP.

    Linux is the host operating system, Nginx handles HTTP requests from web clients, MySQL or MariaDB manages the storage, retrieval, and manipulation of data, and lastly, PHP handles the dynamic processing of web contents.

»

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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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