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today's howtos

Submitted by Roy Schestowitz on Friday 3rd of September 2021 06:05:21 PM Filed under
HowTos
  • Using Cat Command in Linux with Examples

    In Linux, the cat command is one of the most commonly used commands. cat which stands for "concatenate", can read, write and concatenate file contents to standard output. The cat command is usually used to view the contents of one or more text files, combine files by adding contents of one file to another and create new files.

    In this tutorial, we will learn how to use the cat command to its full potential with examples.

  • Reverse Proxy with Nginx: A Step-by-Step Setup Guide

    This step-by-step tutorial is going to show you how you can easily set up a reverse proxy with Nginx to improve security and performance.

    One of the more popular reverse proxy tools at the moment is Nginx. Although Nginx itself is a web server, it does an outstanding job of serving as a reverse proxy.

  • Print files from your Linux terminal

    Printing on Linux is easy, but sometimes it feels like a lot of work to launch an application, open a file, find the Print selection in the menu, click a confirmation button, and so on. When you're a Linux terminal user, you often want to perform complex actions with simple triggers. Printing is complex, and there's little as simple as the lpr command.

  • Monitor your Linux server with Checkmk | Opensource.com

    Monitoring IT assets is an essential task for any IT department. Still, due to the growing number of devices in corporate networks, it is getting more and more challenging to find an approach that is flexible enough to monitor the wide range of available systems properly. It's essential to have a monitoring tool that is flexible, scalable, and easy to use.

    In this article, I demonstrate how to install Checkmk, the monitoring tool from tribe29, and how to monitor servers and network devices with it.

  • Canon Pixma TR4540 All-in-one Printer/Scanner on openSUSE

    The device driver for the Canon Pixma TR4540 All-in-one Printer/Scanner does not come bundled with openSUSE, whether you are on Leap or Tumbleweed. It is non available from the official repositories as well, at least I didn't find them, neither on openSUSE Non-OSS or Packman repos.

    However, Canon provides the drivers on its website along with an installation script. The tarball containing the the .rpm files and the script can be from its package-archive. At the time that I tested, the driver package was at version 5.70.

»

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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.

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  • 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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