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The shell is the interface between the user and the system. It can be used to do anything you want on your system. In Linux, there are several types of shells that we can use and interact with. In this article, we will explain how to use and customize the shell environment a little bit and introduce some ideas of what you can do to make your shell environment more custom, depending on your needs. If you are new to Linux, you probably only know the bash shell, but it's not the only one we can use. There are other ... Read More
ReactJS is an open-source JavaScript library for building dynamic, single-page applications and creating reusable interactive UI components. React is developed and managed by META (earlier Facebook). ReactJS can be used to develop small applications as well as big, complex applications. Table of Content .toc_container { width: 100%; clear: both; display: table; } .toc_column { width: 50%; float: left; } @media (max-width: 600px) { .toc_column { ... Read More
Some of the top service-based companies in India are known for their leadership in IT services, consulting, and digital transformation. These businesses are essential to drive innovative and offer complete solutions in a variety of sectors, including banking, healthcare, retail, and telecommunications. Due to their experience and strong worldwide presence, India is now the hub for high-quality technological services. Here is the list of top 10 services based companies in India.1. Tata Consultancy Services (TCS)Based in Mumbai, India, Tata Consultancy Services (TCS) is a well-known organization of IT services and consulting. It is a part of one of the biggest ... Read More
Kubernetes is a well-known container orchestration platform that allows you to manage containers from deployment to scaling and automation. It is also known as K8s as an abbreviation. For beginners, getting started with Kubernetes can be a bit confusing, as you need a server to start applying Kubernetes commands and learning more. For this, we have a tool called Minikube. What is Minikube? Minikube is a local Kubernetes tool developed by Google in 2016, and it is the most convenient way to start a Kubernetes cluster. It is easy to install and use, and it has almost all of Kubernetes' ... Read More
Vim is a well-known text editor in the terminal, used by many developers and sysadmins around the world. However, it is also known for its complicated keybindings and modes. You may want to use Vim, but for those reasons, or if you don't want to invest much time just to learn a text editor, we have the solution: Micro, an awesome and easy-to-use terminal text editor. Micro, as the name implies, is a lightweight and easy-to-install editor that comes with a lot of features and capabilities. In this article, we will go through how to install Micro and how to ... Read More
Bash script, like other programming languages, has features such as if statements, loops, and other useful constructs that make the language powerful and versatile. One of the most important concepts to understand when working with bash, or on the path to mastering bash scripting, is conditional statements. Conditional statements allow us to execute certain code or operations based on a given condition. In this tutorial, we will learn how to use if statements in bash scripts with examples and explanations. What is a Conditional Statement? In general, a conditional statement allows us to perform an action based on the value ... Read More
Podman and its Daemonless Approach? Podman is an open-source container engine project that helps us with developing, managing, and deploying containers. What makes Podman special is its daemonless approach. With Docker, when we work with the Docker CLI, we're actually interacting with the Docker daemon, which runs in the background to handle tasks for us. Podman, however, is different; instead of using a background daemon to manage and create containers, it does everything on the client side by forking itself, and this child process becomes the container. This makes Podman more secure and lightweight compared to Docker’s ... Read More
When we talk about applications that we take and run in the container world, we call this an image, which we save somewhere and run for as long as we need it. We have a lot of places where we can find an image; we call these image registries. We may have the image locally on our machine or in a specific place like the Internet (image repository or registry). Podman helps us deal with those registries. For example, we can search for a specific image in the image repository. If you search for an image for httpd, what you ... Read More
Podman is in the official repository for almost all distributions, making it easy to install. On Ubuntu / Debian / Mint. sudo apt install podman For Red Hat / Fedora sudo dnf install podman For Windows, it’s recommended to use WSL (Windows Subsystem for Linux) to install and use Podman. You can install Podman in WSL using the command: sudo apt install podman -y If you are a Mac user, the best option is to use Homebrew to install Podman. If you don’t have Homebrew installed, first install it with the command: /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" ... Read More
These days, we hear a lot about the terms containers and VMs, and if you are a beginner, it's hard to differentiate between these terms and technologies that are similar and almost do the same work. In this comprehensive tutorial, we will explain in an easy way what a container is, what a container engine is, and finally, we will install and use Podman as a container technology to run our first container. What is a Container? To understand what a container is, basically let's take an example where we have an application that uses PHP version 8, for instance. ... Read More