Install Podman on Ubuntu, CentOS, and Rocky Linux

 

How to Install Podman on Ubuntu, CentOS, and Rocky Linux

Podman is an open-source container management tool that's gaining popularity as a versatile alternative to Docker. It's known for its simplicity, compatibility with Docker commands, and daemonless architecture. In this guide, we’ll walk you through the installation process of Podman on three popular Linux distributions: Ubuntu, CentOS, and Rocky Linux.

Installing Podman on Ubuntu

1. Update Package List

Before installing Podman, make sure your package list is up-to-date. Open a terminal and run:

sudo apt update

2. Install Podman

Now, install Podman with the following command:

sudo apt install -y podman

3. Verify Installation

Check the installed version of Podman:

podman --version

Installing Podman on CentOS

1. Enable EPEL Repository

First, ensure that the Extra Packages for Enterprise Linux (EPEL) repository is enabled:

sudo yum install -y epel-release

2. Install Podman

Install Podman using the following command:

sudo yum install -y podman

3. Verify Installation

Check the installed version of Podman:

podman --version

Installing Podman on Rocky Linux

1. Update Package List

Update the package list to ensure you have the latest information:

sudo dnf check-update

2. Install Podman

Install Podman with the following command:

sudo dnf install -y podman

3. Verify Installation

Verify that Podman has been installed correctly:

podman --version

Common Post-Installation Steps

• Start Using Podman: Begin using Podman to manage containers. For example, you can pull an image and run a container with:

  podman run -it --rm alpine sh

• Podman vs. Docker: Podman aims to be a drop-in replacement for Docker. Many Docker commands will work with Podman, such as podman run, which is analogous to docker run.

• Systemd Integration: Podman can integrate with systemd. Generate systemd units for your containers with:

  podman generate systemd

Troubleshooting

• No Package Available: If you encounter issues with package availability, check your repository settings and ensure your system is up-to-date.

• Permissions Issues: Podman operates without requiring root privileges. If you face permission issues, verify user permissions and group memberships.

For more in-depth information and advanced configurations, visit the Podman documentation.