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