today's howtos

posted by Roy Schestowitz on Jan 02, 2023,
updated Jan 02, 2023

• Sort Command in Linux with Examples

  To organize the data in a precise sequence or sort the file, use the sort command. The file’s data is sorted line by line using the sort command. If a record is in alphabetical order, the file is sorted alphabetically. Otherwise, it is sorted in ascending order if the record contains numeric information. Linux’s sorting feature offers a variety of flags from which we can choose to sort in reverse or by column, etc. We will utilize a few of its flags in this article.

• How To Install NoMachine on Ubuntu 22.04 LTS - idroot

  In this tutorial, we will show you how to install NoMachine on Ubuntu 22.04 LTS. For those of you who didn’t know, NoMachine is a comprehensive remote desktop solution that allows users to access and control a remote computer from a local machine. Interestingly, NoMachine supports an unlimited number of remote servers on a single server. Its support for multiple platforms and features such as audio and video streaming make it a popular choice for many users.

  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 NoMachine on Ubuntu 22.04 (Jammy Jellyfish). You can follow the same instructions for Ubuntu 22.04 and any other Debian-based distribution like Linux Mint, Elementary OS, Pop!_OS, and more as well.

• Beginners Guide for Wall Command in Linux

  If you are a sysadmin, then wall command can be your next favorite Linux tool, thinking why? With the help of this tool, you can broadcast messages to all logged-in users on your system, either locally or via SSH.

  This tool comes in handy, especially when you intend to start maintenance work (or something else) on your server and want to notify other users in advance.

  Stick with this article until the end to learn more about the wall command and its different options (with practical examples).

• How To Secure Apache with Let’s Encrypt on Ubuntu 22.04 - LinuxTuto

  Let’s Encrypt is a free, automated, and open certificate authority (CA). Let’s Encrypt offer free 90-day SSL certificates.

  Let’s Encrypt provide two types of certificates. The standard single-domain SSL and the Wildcard SSL, which covers not only a single domain, but all of its subdomains too.

  In this tutorial, we will use Certbot a free, open-source software tool for automatically issuing the Let’s Encrypt SSL Certificate and verify that your certificate is set up to renew automatically.

• First steps with Mermaid, a diagramming and charting tool

  Mermaid is a Javascript-based tool that renders Markdown-inspired text definitions to create diagrams. In this tutorial you’ll learn how to start and render your first diagram.

• Linux USB Not Detected or Not Working? 5 Common Issues and Fixes

  USB devices not detected in Linux? Try these troubleshooting tips to get things working again.

  You've hooked up a USB flash drive or a keyboard or mouse to your Linux PC. But nothing is happening.

  What's going on? Why is your pen drive not detected in Ubuntu 22.04 LTS or some other distro? Is it a Linux thing, or has your USB device stopped working? Here's what to do on Linux if your USB drive is not detected or recognized.

• What Is PPA and How Does It Install Software on Ubuntu Linux?

  Unlike traditional packages, PPAs aren't maintained or distributed by Ubuntu or Canonical. So what are they? And should you use them on your PC?

  PPAs or Personal Package Archives are a type of repository used in Linux systems to store and distribute software packages.

  Let's learn what a PPA is, how they differ from standard repositories, how to add and remove PPAs, whether PPAs are safe to use, and finally, the advantages of using PPAs.