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today's howtos

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HowTos
  • How To Install Java with Apt on Ubuntu 20.04

    Java is one of the most popular programming languages and the JVM (Java’s virtual machine) is the run-time environment to run Java applications. These two platforms are required for much popular software that includes Tomcat, Jetty, Cassandra, Glassfish, and Jenkins.

    In this article, you will learn how to install Java Runtime Environment (JRE) and the Java Developer Kit (JDK) using the default apt package manager on Ubuntu 20.04 and Ubuntu 18.04.

  • Sort “du” Command by Size- Output Largest to Smallest

    “du” stands for disk usage, and as the name implies, this command is very useful in getting disk-related information in Linux. This is a very flexible command that can be combined with different parameters to get the desired output.

    In today’s tutorial, we will be guiding you on the method of sorting the output of the “du” command in descending order, i.e., largest to smallest in Linux.

    Note: We have used a Linux Mint 20 machine to demonstrate this method. However, you can also perform the very same method on a Ubuntu 20.04 system or a Debian 10 system.

  • Grep with the Line Number in Output

    Global regular expression print is a versatile utility that searches plain text in the system with different regular expressions. We can perform many operations with the help of Grep; we can explore in files, display line number as output, and how to ignore blank spaces, and use Grep recursively. Grep with the line number displays the line number of relevant text present in the file. This function is accomplished with the help of –n. From the page of Grep, we can easily describe different commands.

  • How to Install Duplicity on Ubuntu?

    This article is about Duplicity, and how you can install it on your Ubuntu 20.04 machine. Duplicity is an open-source tool that helps people create backups of their data. It basically just encrypts the user’s data and stores it into a remote server. It’s a very convenient and smart way to back up data, as it does not only store the data but also any changes made to it in the long run. This attribute makes Duplicity very space-efficient.

  • How to Use Docker Registry?

    Today, we’ll discuss the Docker Registry and how to use it.

    [...]

    We’ll gloss over the detail in this section, but if you’re used to installing such software, you’ll do just fine with the instructions here. We’ll cover the default method to setting up Docker; via the official docker repository...

  • How to Check if a Filesystem is Mounted in Linux?

    We already know that many filesystems are used and supported by the Linux operating system, e.g., ext2, ext3, ext4, FAT16, FAT32, and a lot more. The file system is necessary for working in the Linux and Windows operating systems. If you want to know what type of filesystem your Linux OS supports this article is meant for you. This article will give you a step-by-step guide to know what kind of filesystem is mounted in a Linux operating system.
    To start working, you must have any Linux distribution installed on your system. Login from your Linux system and open the command terminal. Make sure you have the “util-linux” package installed on your system to start checking the mounted filesystem. For this purpose, try the below “apt” command followed by the keyword “install” in a shell. Instantly, the installation will be completed, and you can now check the mounted filesystem.

  • How to Create a New File in Vim?

    Vim is indeed a popular text editor widely used in the command-line interface of Linux operating systems. Since Linux makes heavy use of configuration documents, you’ll have o modify them regularly, and Vim has become an excellent tool for doing so. Vim seems to have a distinct operational technique, with two key modes. One of them is command mode, and the other one is a merge of all additional modes. In this discussion, we will discuss the process of creating a Vim file using the Vim text editor in the Linux System.

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.