Podman is an open-source container management tool that offers a similar user experience to Docker but operates without a daemon. This makes it a great alternative for managing containers in a more secure and efficient manner. In this guide, we will walk through the steps to get started with Podman on Rocky Linux.

Step 1: Update Your System

Start by ensuring your system is up to date:

sudo dnf update -y

Step 2: Install Podman

Install Podman using the following command:

sudo dnf install -y podman

Step 3: Verify Podman Installation

After installation, you can verify that Podman is installed correctly by checking its version:

podman --version

Step 4: Running Your First Container

Now, let's run a simple container to verify that everything is working. We'll use the nginx image:

podman run -d -p 8080:80 nginx

This command runs an Nginx container in detached mode, mapping port 8080 on your host to port 80 in the container.

Step 5: Accessing the Container

Open your web browser and navigate to:

http://your_server_ip:8080

You should see the default Nginx welcome page, indicating that your container is running successfully.

Step 6: Listing Running Containers

You can list all running containers with the following command:

podman ps

Step 7: Stopping and Removing Containers

To stop the running container, use:

podman stop [container_id]

To remove the container, use:

podman rm [container_id]

Step 8: Using Podman Compose

Podman also supports Docker Compose files through podman-compose. To install it, run:

sudo dnf install -y podman-compose

You can now create and manage multi-container applications using Docker Compose files.

Conclusion

You have successfully installed and started using Podman on Rocky Linux. This tool provides a powerful and efficient way to manage containers without the overhead of a daemon.

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