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today's howtos

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HowTos
  • Find the largest files and directories in Linux - Unixcop

    Sometimes it is necessary to know what file(s) or directories are eating up all your disk space. Further, it may be required to find out it at the particular directory location on filesystem such as /tmp/ or /var/ or /home/.

    Also it is very necessary to find the unnecessary junks and free up them from your hard disk.

    This tutorial describes how to find the largest files and folders in the Linux using find and du commands.

  • Linux Traceroute Command, Explained with Examples

    In this article, we will discuss everything you want to know about the Linux traceroute command and how to use it in your daily practice.

    Traceroute is a command line utility that prints the route (or hops) that a packet takes to reach another host. It is used for network diagnostics. As its name suggests, the main purpose of a traceroute is to trace the IP route from a source to a destination inside an IP network, allowing administrators to better resolve connectivity issues. Traceroute will not only tell whether you have connectivity, but it will point out where is the problem precisely and why would that be happening.

    Traceroute gives you complete information about the path that your data will take to reach its destination. For example, if the your computer (source) is in Los Angeles, California and the server in New York (destination), traceroute will identify the complete path, each hop (the computers, routers, or any devices that comes in between the source and the destination) on the path, and the time it takes to go and come back.

  • How to install MetaTrader 4 with the IG Broker on a Chromebook

    Today we are looking at how to install MetaTrader 4 with the IG Broker on a Chromebook. Please follow the video/audio guide as a tutorial where we explain the process step by step and use the commands below.

    If you have any questions, please contact us via a YouTube comment and we would be happy to assist you!

    This tutorial will only work on Chromebooks with an Intel or AMD CPU (with Linux Apps Support) and not those with an ARM64 architecture CPU.

  • How to set up Redis sentinel cluster on Ubuntu or Debian Linux

    This guide explains how to set up Redis sentinel failover cluster for caching database or any other data type in high availability node.

  • How To Set Up SSH Keys With YubiKey as two-factor authentication (U2F/FIDO2)

    ll Linux and Unix servers are managed manually or by automation tools such as Ansible using ssh. For example, say you have a server at Linode or AWS. Then you copy your public ssh key to a remote cloud server. Once copied, you can now login to those servers without a password as long as ssh keys are matched. It is the best practice. Unfortunately, you are not protecting ssh keys stored on a local desktop or dev machine at $HOME/.ssh/ directory. If your keys are stolen, an attacker can get access to all of your cloud servers, including backup servers. To avoid this mess, we can protect our ssh keys stored on local dev/desktop machines using physical security keys such as YubiKey.

  • How to find the number of RAM Slots in Linux - nixCraft

    The easiest way is to dig into hardware and BIOS information is to use the following two commands on Linux to understand the RAM configuration using the CLI.

More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

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.