today's howtos
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How To Install Ntopng on Debian 11
In this tutorial, we will show you how to install Ntopng on Debian 11.
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How To Setup UFW (Uncomplicated Firewall) On Ubuntu 22.04 LTS
In this tutorial, we are going to show you the method to set up UFW on Ubuntu 22.04 LTS.
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How To Install Avidemux on Ubuntu 22.04 LTS
In this tutorial, we will show you how to install Avidemux on Ubuntu 22.04 LTS.
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How To Install YOURLS on Ubuntu 22.04 LTS
In this tutorial, we will show you how to install YOURLS on Ubuntu 22.04 LTS.
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Comparing Minikube, KinD, and k3d
Introduction Minikube, KinD, and k3d are all popular options for setting up Kubernetes clusters on a local machine. Each has its own unique features and benefits, but it can be difficult to determine which one is best for your needs.
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Creating a multi-node cluster with k3d
Introduction Kubernetes has become the de facto standard for container orchestration, and for good reason. It allows you to easily manage containers at scale and provides features like automatic scaling, load balancing, and rolling updates. However, setting up a Kubernetes cluster can be a daunting task.
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How to Replace Environment Variables Using the envsubst Command
Learn how to replace environment variables using the envsubst command. This guide will show you how with examples and tips.
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High availability concepts
In today's fast-paced world, businesses and organizations heavily rely on their IT systems and applications to run their daily operations. These systems are designed to handle a large amount of data, complex processes, and transactions, making them critical to the success of the organization.
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Creating a bare-metal cluster from scratch
In today's world of computing, more and more companies are looking to optimize their hardware by creating bare-metal clusters. Bare-metal clusters are clusters of computers that are stripped down to their bare essentials, meaning that they only have the minimum required software to run the cluster.
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How to Install and Configure ELK Stack on Rocky Linux
ELK stack is a powerful open-source tool that is widely used for analyzing and visualizing logs and other data. The stack consists of Elasticsearch, Logstash, and Kibana. Elasticsearch is a search and analytics engine for analyzing logs.
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Syslog-ng 101, part 12: Elasticsearch (and Opensearch, Zinc, Humio, etc.)
One of the most popular destinations in syslog-ng is Elasticsearch (and OpenSearch, Zinc, Humio, etc.). The 12th part of my syslog-ng #tutorial shows you how to send log messages to Elasticsearch.
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Peter Czanik: Syslog-ng 101, part 12: Elasticsearch (and Opensearch, Zinc, Humio, etc.)
This is the 12th part of my syslog-ng tutorial. Last time, we learned about enriching log messages using syslog-ng. Today, we learn about how to send log messages to Elasticsearch.
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Difference between single and double quotes in Bash
Bash, the shell used in most Linux distributions, provides several ways to quote strings.
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How to block bad bots using .htaccess
If you're a website owner, you're probably well aware of the importance of search engine optimization (SEO). However, what many website owners don't realize is that there are bots crawling the internet that can harm your site's SEO and overall functionality.
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How to Save Command Output to a File in Linux
In Linux, the command line is a powerful tool for interacting with the system. One common task when working with the command line is saving the output of a command to a file for future reference.
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How to Show Security Warning Message to Unauthorized SSH Users
It's a good idea to add some kind of security warning message that makes it clear to unauthorised SSH users that they are not allowed to access the system. Giant corporate companies permit their employees to gain access to the company system remotely via SSH.
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Add Dynamic Wallpapers to Your GNOME Desktop
Want your desktop to be more in-tune with the time of day? There's a neat collection of dynamic wallpapers for the GNOME desktop that offer up exactly that.
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How to install APF on Rocky Linux 9 / Alma Linux 9
Hello, friends. In this post, you will learn how to install APF on Rocky Linux 9 / Alma Linux 9. According to the project website: APF is an iptables(netfilter) based firewall system designed aroundThe essential needs of today's Internet deployed servers and the uniqueneeds of custom deployed Linux installations.
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How To Install Robo 3T (Studio 3T) on Ubuntu 20.04 | 22.04 LTS
Today you will learn how to Install Robo 3T (Studio 3T) on Ubuntu 20.04 / 22.04 LTS Robo 3T, formerly known as Robomongo, is a popular open-source MongoDB management tool.
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How To Install Easy Effects on Ubuntu 20.04 | 22.04 LTS
Easy Effects is a powerful audio processing software that can enhance the quality of your sound recordings. It is a great tool for podcasters, musicians, and anyone who wants to improve the sound quality of their recordings. In this article, we will show you how to install Easy Effects on Ubuntu 22.04 LTS.
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How to Install Kernel 6.x on Rocky Linux 9
Hello, friends. Upgrading the Linux kernel is an important but risky process that can improve support for our software. So today, you will learn how to install the 6.x kernel on Rocky Linux 9.
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Tmux Pane Splitting: Vertical & Horizontal Techniques
We will walk you through the necessary steps and commands to create, resize, and navigate Tmux panes effortlessly. Whether you're a Tmux beginner or a seasoned user looking to enhance your skills, this guide will provide you with valuable insights and practical tips for optimizing your Tmux pane management. Let's dive in and start mastering the art of Tmux pane splitting.
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The beginner’s guide to Linux Mint cloud computing
We will start by defining cloud computing and its advantages, then delve into the different types of cloud computing models, and finally, introduce Linux Mint as a cloud platform. By the end of this article, you will have a better understanding of cloud computing and how Linux Mint can help you leverage its benefits.
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How to Install KubeSphere on Ubuntu 22.04
Kubesphere free and open-source Kubernetes platform and cloud-native application management verified by CNCF. It's an enterprise-grade Kubernetes container platform with feature-rich and tailored for hybrid multi-cloud deployment.
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LFCS – File Transfer Protocol (FTP)
Everyone probably uses FTP at one point or another. In this article, we will set up an FTP server and configure it for anonymous connections. We will also set it up to be used as a repository and then actually use it as a repository from another server.
So, Server 1, that is currently a DNS server, will also be an FTP Server. Then, once the repository is up and running, we will use Server 2 to install files from Server 1.
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The Most Common Flags in /proc/cpuinfo with Examples
The /proc/cpuinfo file is a plain-text read-only file that contains information about the CPU, and displays a wealth of information about the CPU including
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How to Install CRI-O (Container Runtime) on Ubuntu 22.04
CRI-O is an opensource and lightweight container runtime for Kubernetes. It is an implementation of the Kubernetes Container Runtime Interface (CRI) using Open Container Initiative (OCI) compatible runtimes. It’s a perfect alternative to Docker when running Kubernetes.
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DF vs DU Command in Linux: Key Differences
You've probably heard of the df and du commands if you're a Linux user. They are both used to check disk usage, but they work in slightly different ways. This article will explore the key differences between these two commands, including their syntax, output, and usage.
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How to Install OpenRGB on Linux Mint 21 or 20
OpenRGB is a free, open-source software solution that provides a unified control interface for RGB lighting in computer systems, peripherals, and other compatible devices. Developed by a dedicated community, OpenRGB aims to eliminate the need for multiple proprietary software solutions by offering compatibility with various devices and manufacturers.
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How to Install Docker on Fedora Linux
Are you a developer or system administrator seeking to enhance your application's portability and scalability? Docker is an outstanding platform for packaging, distributing, and running applications inside containers. This article will guide you through installing Docker on Fedora Linux, one of the most popular Linux distributions.
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How to Save Command Output to a File in Linux
Linux command line interface (CLI) is a powerful tool that allows users to interact with the operating system using text-based commands.
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How to Install PowerShell on Linux Mint 21 or 20 [Ed: Better to migrate away from it, not give Microsoft any leverage over the platform it is constantly attacking]
PowerShell is a powerful scripting language and command-line shell designed for Windows, Linux, and macOS platforms. Developed by Microsoft, it is a versatile tool for system administrators and developers to automate tasks, manage configurations, and enhance productivity.
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How to Install Avidemux on Linux Mint 21 or 20
Avidemux is a free and open-source video editing software that offers a user-friendly interface for performing various video manipulation tasks. Designed for both beginners and advanced users, it supports a wide range of video formats and provides essential editing features.
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How to Enable TRIM For SSD in Ubuntu
If you are using a Solid State Drive (SSD), you should know that you shouldn't run any defragmentation or free space consolidation software on it. So how do you clean up your SSD and free up the empty space? TRIM is the command we use to inform the OS to do the cleaning job. Windows 11 allows you to manually run TRIM through the fsutil command. But what about Ubuntu? How can you enable TRIM for SSD in Ubuntu?
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Configure Logitech or SteelSeries Headset in Ubuntu via This App
Got a Logitech or SteelSeries headset? This app may help to adjust sidetone, get battery state, toggle LED, and set inactive time in Ubuntu Linux.