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today's howtos

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  • How To Install Ntopng on Ubuntu 20.04 LTS - idroot

    In this tutorial, we will show you how to install Ntopng on Ubuntu 20.04 LTS. For those of you who didn’t know, Ntopng is a free and open-source software for monitoring network traffic that provides a web interface for real-time network monitoring. While professional and enterprise editions of Ntopng have licensing requirements, the community edition has none. Ntopng supports various operating systems, such as Windows, BSD, Mac OS, Linux, and UNIX

    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 Ntopng Network Monitoring on Ubuntu 20.04 (Focal Fossa). You can follow the same instructions for Ubuntu 18.04, 16.04, and any other Debian-based distribution like Linux Mint.

  • How To Install Redis on Debian 11 - idroot

    In this tutorial, we will show you how to install Redis on Debian 11. For those of you who didn’t know, Redis is an open-source (BSD licensed) in-memory database for storing data structure, caching, and as a message broker. Redis provides data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, geospatial indexes, and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions, and different levels of on-disk persistence, and provides high availability via Redis Sentinel and automatic partitioning with Redis Cluster

    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 through the step-by-step installation of Redis on a Debian 11 (Bullseye).

  • How To Setup Apache, PHP & MongoDB in Ubuntu & Debian – TecAdmin

    MongoDB is a free open-source, schema-free, NoSQL database which is getting more popular day by day among web developers. It is a document-oriented database and is known for its processing speed.

    In order to use MongoDB for our projects, we will first need to install it on our system along with its dependencies and some other tools. In this post, we will learn to install and set up Apache, PHP, and MongoDB on Ubuntu and Debian operating systems.

  • How to Change Comment Color in Vim - Fix Unreadable Blue Color

    Are you annoyed about the comment color in vim? The dark blue color of the comment is often hard to read.

    In this tutorial, we learn how to change the comment color in Vim. There are few methods we can use to look vim comment very readable.

  • How to Install & Configure GitLab on Debian 11 Bullseye - LinuxCapable

    GitLab is a free and open-source web-based code repository for collaborative software development for DevOps, written in Ruby and Go programming languages. GitLab’s main motto is “Bring velocity with confidence, security without sacrifice, and visibility into DevOps success.” It is quite a popular alternative to GitHub providing wiki, issue-tracking, and continuous integration and deployment pipeline features, using an open-source license, developed by GitLab Inc.

    In the following tutorial, you will learn how to install GitLab on your Debian 11 Bullseye system, along with how to get started by logging in with root so you can begin setting up GitLab to your liking or for your team’s requirements.

  • How to Install Brave Browser Stable, Beta, or Nightly on Fedora 34 / 35 - LinuxCapable

    Brave is a free and open-source web browser developed by Brave Software, Inc. based on the Chromium web browser. Brave is a privacy-focused Internet web browser, which distinguishes itself from other browsers by automatically blocking online advertisements and website trackers in its default settings. Brave has claimed its browser puts less strain on your computer’s performance than Google Chrome, regardless of how much you ask of it. Even with multiple tabs open at once, Brave uses less memory than Google Chrome-like, up to 66% less.

    In the following tutorial, you will learn how to install Brave on Fedora.

  • How to Install Google Chrome Stable, Beta, or Unstable on Fedora 34 / 35 - LinuxCapable

    Google Chrome is the most used Internet Explorer software on the earth, with a recent update in 2021 that Chrome is currently the primary browser of more than 2.65 billion internet users. However, as you would know, after installing Fedora, only Mozilla Firefox is packaged with the distribution but luckily, installing Google Chrome is a straightforward task.

    In the following tutorial, you will learn how to install Google Chrome on Fedora.

  • How to Install PostgreSQL and pgAdmin4 on Ubuntu 20.04 – VITUX

    If you’re looking for a quick and easy way to install PostgreSQL and pgAdmin4 in Ubuntu 20.04, this post is for you! We’ll walk you through the whole process step-by-step, so it’s easy for anyone to do.

    Postgres is an open-source, powerful relational database system that lets users create, edit, share, and store data quickly and flexibly. It supports all of SQL:2003 standards, which makes it great for storing any type of data. pgAdmin4 is a graphical user interface tool that allows users to manage their PostgreSQL databases from one place without having to use complicated command-line instructions or terminal commands like many other similar tools on the market offer.

  • How to Install Redis Server on Debian 11

    Redis is a free, open-source, cross-platform NoSQL, and in-memory Key-value data structure store, used as a database server, cache, and message broker. It is written in C and developed by Salvatore Sanfilippo. It provides replication features that help you to set up highly available clusters in your production environments.

    In this tutorial, I will explain how to install the Redis server on Debian 11.

  • How to Install Visual Studio Code (VS Code) on Fedora 34 / 35
    [Ed: Can we stop promoting Microsoft proprietary software with surveillance and pro-GPL violations tools? Microsoft sites already do the promotion, 'Linux' sites ought not help them.]
  • How to Install Webmin in Ubuntu 21 - Unixcop

    Webmin is an open-source web control panel that allows you to administrate your Linux system through a web browser. With a few clicks, you can manage your users, configure the DNS, or tweak your web server. For those who are not big fans of the command line, this tool will make your server administration smooth and easily manageable.

    In this article you’ll install and configure Webmin on your server and secure access to the interface with a valid certificate from Let’s Encrypt. You’ll then use Webmin to add new user accounts, and update all packages on your server from the dashboard.

  • How to Install and Configure Postgres 14 on Centos 8

    In this guide we are going to install Postgresql 14 in Centos 8/Rocky Linux 8. This will also work in RHEL 8 and its derivatives.

    Postgresql is an open source object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance. Postgres, is a free and open-source relational database management system emphasizing extensibility and SQL compliance. It was originally named POSTGRES, referring to its origins as a successor to the Ingres database developed at the University of California, Berkeley. PostgreSQL is used as the primary data store or data warehouse for many web, mobile, geospatial, and analytics applications. PostgreSQL can store structured and unstructured data in a single product.

  • How to manage users with useradd in linux – Citizix

    In this guide we are going to explore how to use useradd to manage users in Linux. useradd allows you to add users in linux with specific properties, limitations, or comments.

    useradd command is a low-level utility that is used for adding/creating user accounts in Linux and other Unix-like operating systems.

    Linux is a multi-user system, which means that more than one person can interact with the same system at the same time. These users needs to be created before they use the system.

  • Using golang to create jenkins credentials

    How do I create jenkins credentials using a golang script?
    In this blog article, we are going use GoJenkins library to create jenkins Username, String and SSH credentials.

  • How to run Jenkins using docker and docker-compose

    do I run Jenkins as a docker container? In this guide we are going to explore how to achieve that using docker and simplifying the process using docker compose.

    Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. Containers are isolated from one another and bundle their own software, libraries and configuration files; they can communicate with each other through well-defined channels.

  • How to Check Which Version of Postgres is Running/Installed

    What version of postgres client or server am I running?

    In this brief guide, we are going to explore how to check which version of Postgres is running either on your machine or in a postgres instance for both the client and the server versions.

  • Running Postgresql 14 with Docker and Docker-Compose

    In this guide we are going to explore how to run Postresql 14 Locally with docker and docker compose. This can be helpful if you want to run Postgresql locally without installing it in your server or if you want to run multiple versions of Postgresql seamlessly.

  • Using terraform to launch Digitaocean kubernetes cluster – Part 1

    In this guide we are going to explore how to launch Kubernetes instance in Digital Ocean.

    Digital Ocean provides a cost-effective, ready-to-use Kubernetes cluster in minutes so you can focus on building your application.

  • How to Set Up SSH Keys on Debian - Cloudbooklet

    There are 2 methods to access the SSH, one is by password based and other is key based. The SSH key based authentication is meant provide a secure way to access a server with private and public key.

    In this guide you are going to learn the following ways to secure your Debian machine.

  • How to add users to sudoers in Debian 11

    In Linux, sudo (super user do) is the command prefixed with any command to have the administrative rights temporarily (as an alternative to root). Whenever you want to access any system related settings or to update a system, edit the system files, you must log in as a “root” user in Linux to do so. Root users have the rights to perform any task in the system; however, sudo privileges can also be assigned to other users to act as a root.

    It is recommended to use sudo command carefully, as it has all admin rights so any misuse of this command may lead to several system’s problems. Debian is a well-known Linux distro and the latest release of this distro is Debian 11. The sudo user’s information resides in sudoers file, this file is in directory “/etc/sudoers”; the users included in sudoers file can perform all the tasks that a root can do.

    In this article, we will demonstrate the possible ways to add any user to sudoers file to assign sudo privileges to that user.

  • How to decommission a system: 3 keys to success | Enable Sysadmin

    It is always an exciting day for systems administrators when we get to decommission a system. It means one less resource to maintain and potentially a successful upgrade somewhere else in the environment.

    In our rational exuberance, however, we can't jump in and send the resource to the great data center in the sky. Too often, an "unused" system actually serves a heretofore undocumented business function, holds critical information that folks will need down the line, or provides cross-network connectivity that nobody on staff remembers configuring.

    Therefore, having a documented resource decommissioning plan is vital to making sure this process goes off without a hitch. I'll go through some of the steps to ensure a smooth decommissioning process.

  • How to install SSF2 Beta on a Chromebook

    Today we are looking at how to install SSF2 Beta 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.

  • Data centre networking: what is SDN? | Ubuntu

    The recent contexts have shown that enterprises needed to take a different approach regarding their digital transformation and its prioritisation. They’ve experienced the need to run new configurations and operations remotely on their infrastructure. This quickly showed the benefits of automation solutions to run those changes from few central locations, which highly facilitated the task of systems and network admins. During the last decade enterprises have also been migrating to the cloud looking for quickly scalable infrastructures that the cloud service providers did take care to build and manage. Those network infrastructure capabilities in addition to a strong virtualisation approach, were key drivers to consider Software-Defined Networking (SDN) as a principal building-block of a wholly software-defined data center infrastructure.

    This blog is one of a series covering SDN and the journey to model-driven cloud infrastructures. Here, we are going to talk about software-defined networking, its evolution and the key benefits it brings to the data center and cloud industry leveraging the concept of intent-based networking. Let’s begin with what SDN is.

  • Install and Set-up ELK Code Physics Software on Ubuntu Linux

    Science becomes extra difficult when you have to work with large numbers, complex equations, or when you need fast calculations. But in the recent years, these problems have been considerably reduced thanks to the computers and more specifically, thanks to the open-source projects focused on bringing a better understanding and experience at the time of making computations.

    As a student of Physics, I use several specialized tools and most of them are open source. I am going to share one of them today which is called Elk code, an open source project focused on Solid State Physics.

    Though it is available in the Ubuntu repositories, there are several dependencies you need to explicitly install and configure.

  • Install XFCE Desktop on Debian 11

    Linux provides extensive support for several desktop environments like: GNOME, KDE 5, Unity, LXQt, . Moreover, desktop environments are majorly divided into two types: heavyweight and lightweight. Few desktop environments may look very interactive, but they might be ignored because they use more memory and processing power to run on Linux. For instance, GNOME and unity desktop environments fall in the heavyweight category whereas Xfce comes in the lightweight category, therefore it is better for older machines. In this article, the demonstration provides the installation of Xfce desktop environment on Debian 11:

  • This is how you can add five more years of life to your Ubuntu LTS install - Neowin

    In September, Canonical announced that it would be extending the Extended Security Maintenance (ESM) of both Ubuntu 14.04 LTS and Ubuntu 16.04 LTS by a further two years so that their total life reaches 10 years instead of eight. Canonical touts ESM as a paid product which it relies on for revenues, however, it’s actually possible to use ESM on three personal computers for free. Additionally, if you enable it, you get Livepatch on your system so you don’t have to restart for kernel updates.

  • What Version of Linux Am I Running? - Linux Nightly

    Asking “What version of Linux am I running?” could generate a few different answers. Do you want to know the version of the Linux kernel, or just the name of the Linux distribution that’s installed? We’ll show you how to find all the answers in this guide.

  • Mount Remote Filesystem Over SSH using SSHFS -

    Follow through this tutorial to learn how to mount remote filesystem over SSH using SSHFS. sshfs is a filesystem client based on the SSH File Transfer Protocol.

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.