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 -yStep 2: Install Podman
Install Podman using the following command:
sudo dnf install -y podmanStep 3: Verify Podman Installation
After installation, you can verify that Podman is installed correctly by checking its version:
podman --versionStep 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 nginxThis 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:8080You 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 psStep 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-composeYou 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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