Cloud Computing, Containerization, DevOps, Kubernetes

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Empowering Containerization with Podman


An open-source Linux utility for working with containers is called Podman. That applies to containers stored in directories like and To make it simple to identify, execute, build, share, and deploy applications utilizing Open Containers Initiative (OCI) Containers and Container Images, there is a daemonless, open-source tool called Podman. Anyone who has used the Docker Container Engine is familiar with the command line interface (CLI) provided by Podman. Most users will have no issues simply aliasing Docker to Podman (docker=podman). Podman uses an OCI compliant Container Runtime (runc, crun, runv, etc.) to communicate with the operating system and generate the running containers, just as other popular Container Engines (Docker, CRI-O, containerd).

  • Podman allows for the execution of containers by root or non-privileged users.
  • Using the libpod library, Podman controls the complete container ecosystem, including pods, containers, container images, and container volumes.
  • Pulling, tagging, and all other operations that assist you in maintaining and modifying OCI container images are the core competencies of Podman.
  • It enables the creation, use, and upkeep of those containers and container images in a working setting.

Scope of Podman

At a high level, the scope of Podman and libpod is the following:

  • OCI and Docker images are among the many container image formats supported.
  • Complete management of such images includes fetching from various sources (including trusted and verified ones), building (using a Containerfile or Dockerfile or committing from a container), and pushing to registries and other storage backends.
  • Complete container lifecycle management, including installation, running, check pointing and restoring (using CRIU), and removal. Containers can be created from images or an exploded root filesystem.
  • Utilizing CNI, Netavark, and slirp4netns, fully manage container networking
  • Support for pods, which are collections of containers that collaborate to manage and share resources.
  • Support for operating pods and containers without root or other privileged access. Resource isolation of containers and pods.
  • Support a CLI interface that works with Docker and can execute containers locally and on distant systems.
  • There is no manager daemon for better security and lower resource usage when idle.

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  • Reduced infrastructural costs
  • Accelerated application deployment
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A Guide to Install and use Podman

Step 1: Create a VM with an Ubuntu server

Note: The Podman package is available in the official repositories for Ubuntu 20.10 and newer.

Update your VM by giving the following command

Step 2: Installing Podman



Step 3: To check whether Podman is installed or no



Step 4: Pulling an image over the VM using the podman command 


Step 5: To check if the container is running or no 


Step 6: Kill the container


If I try to curl into again, it will fail



Podman is a quick and safe containerization solution with a command-line interface reminiscent of Docker.

It is simple to use and appropriate for contexts where a complete container orchestration system is not required because it does not require a background service or centralized daemon. It can run Docker-formatted container images without issues and supports running containers as root or non-root users. Podman provides a strong substitute for Docker in managing and deploying containers.

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  • Accelerated cloud migration
  • End-to-end view of the cloud environment
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About CloudThat

CloudThat is an official AWS (Amazon Web Services) Advanced Consulting Partner and Training partner and Microsoft Gold Partner, helping people develop knowledge of the cloud and help their businesses aim for higher goals using best in industry cloud computing practices and expertise. We are on a mission to build a robust cloud computing ecosystem by disseminating knowledge on technological intricacies within the cloud space. Our blogs, webinars, case studies, and white papers enable all the stakeholders in the cloud computing sphere.

Drop a query if you have any questions regarding Podman and I will get back to you quickly.

To get started, go through our Consultancy page and Managed Services Package that is CloudThat’s offerings.


1. Is Podman a replacement for Docker?

ANS: – As an alternative to Docker, there is Podman. Users can run and manage containers using a comparable command-line interface and capabilities. However, Podman is lighter and more secure because of its unique architecture and lack of a need for a central daemon. Although Podman may run Docker-formatted container images, it is not always a direct substitute for Docker, especially when involving extensive container orchestration.

2. Can Podman run rootless containers?

ANS: – Yes, Podman’s support for rootless containers is one of its noteworthy characteristics. As a result, users can operate containers without needing root access. Rootless containers improve security by separating container activities from the host system and lowering the likelihood of container compromises.

3. Can Podman manage pods and multi-container applications?

ANS: – Yes, Podman supports managing pods, which are tightly tied groups of containers that share resources. Using pod-based workflows, Podman enables the creation, management, and deployment of multi-container applications. This makes it possible to define intricate application architectures and successfully manage their lifecycles.

4. What operating systems are supported by Podman?

ANS: – In addition to supporting several operating systems, including Linux, macOS, and even Windows (through the Windows Subsystem for Linux), Podman is made portable. It is important to remember, though, that depending on the underlying operating system, some functions or functionalities can be restricted or operate differently. In general, Linux distributions offer the finest Podman inclusion and support.

WRITTEN BY Swapnil Kumbar

Swapnil Kumbar is a Research Associate - DevOps. He knows various cloud platforms and has working experience on AWS, GCP, and azure. Enthusiast about leading technology in cloud and automation. He is also passionate about tailoring existing architecture.



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