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today's howtos

Submitted by Roy Schestowitz on Wednesday 1st of September 2021 09:43:27 AM Filed under
HowTos
  • Fedora Magazine: Getting ready for Fedora Linux

    Why does Linux remain vastly invisible to ordinary folks who make general use of computers? This article steps through the process to move to Fedora Linux Workstation for non-Linux users.

    It also describes features of the GUI (Graphic User Interface) and CLI (Command Line Interface) for the newcomer. This is a quick introduction, not an in-depth course.

  • How to install Varnish Cache on Ubuntu 20.04 – VITUX

    Now more than ever, page loading speed is crucial to any website owner. A few seconds of lag in loading your website will quickly send internet users to the next site leading to high bounce rates and reduced revenue. In fact, page loading speed is a crucial ranking aspect that Google uses to rank websites. The slower your website, the lower the rank it gets.

    Varnish cache, also known as a caching reverse HTTP proxy, is a high-performance and blazing fast web application that speeds up your website by forwarding incoming HTTP requests to your webserver. It sits in front of a webserver and caches all the web traffic that is frequently accessed by users and stores it in memory. By so doing, it speeds up the retrieval time of the web pages. The cache also serves thousands of concurrent HTTP requests without crashing or overloading the webserver. It can boost your website speed by up to 300 – 100 times.

    Let now install the Varnish cache on Ubuntu 20.04

  • How to Install & Setup ModSecurity with Nginx on Debian 11

    ModSecurity or often referred to as Modsec is a free, open-source web application firewall (WAF). ModSecurity was created as a module for the Apache HTTP Server. However, since its early days, the WAF has grown and now covers an array of HyperText Transfer Protocol request and response filtering capabilities for various platforms such as Microsoft IIS, Nginx, and of course, Apache.

    How the WAF works, the ModSecurity engine is deployed in front of the web application, allowing the engine to scan the incoming and outgoing HTTP connections. ModSecurity is most commonly used in conjunction with the OWASP Core Rule Set (CRS), an open-source set of rules written in ModSecurity’s SecRules language and is highly regarded among the security industry.

  • Install the VirtualBox Guest Additions in Debian 11 bullseye - PragmaticLinux

    Curious about the recently released Debian 11 “bullseye”? Why not install it inside a VirtualBox virtual machine and give it a try? Just keep in mind that afterwards, you want to install the VirtualBox Guest Additions. This enables you to adjust the screen resolution to match your monitor’s. Furthermore, you can enable features such as the bi-directional clipboard and shared folders. In this article I’ll explain how to install the VirtualBox Guest Additions in Debian 11 “bullseye”.

  • How to create dynamic configuration files using Ansible templates | Enable Sysadmin

    In the previous article in this series, 8 steps to developing an Ansible role in Linux, I created an Ansible role to install Vim and configure it with some plugins and a static vimrc configuration file.

    This article improves this role by replacing this static configuration file with a more flexible one, dynamically generated using an Ansible template.

  • Bash Echo Command Explained With Examples In Linux - OSTechNix

    As a beginner when you start working with Bash scripts, the first command you will probably learn and use is the echo command. You can think of bash echo command something similar to the print command in other programming languages. The echo command is a bash built-in and its purpose is to print the output to stdout (i.e. Terminal).

    In this article, I will show you what is bash echo command and how to use it in your shell scripts. Before we get into the topic, let us see the difference between a Bash bulit-in and an external command.

»

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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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