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Podman (Pod Manager) is a tool used to create and maintain containers. It is part of the libpod library. The Red Hat team has been working on a set of tools to run containers without a daemon. Did you know that you cannot run Docker containers without the Docker Engine daemon? Podman is a tool for running Linux containers. You can do this from a Windows desktop if you have access to a Linux box running inside a virtual machine on the host or accessible over the network.
You must install the remote client, and then configure the ssh connection information in the podman-remote.conf file. Podman can also be run on the Windows subsystem for a Linux system. Follow the link below for a description of how this is done. Podman complements Buildah and Scopeo by offering capabilities similar to Docker’s command line: it allows users to run stand-alone (non-orchestrated) containers.
And Podman doesn’t require a daemon to run containers and pods, so we can easily say goodbye to big fat daemons. There are no daemons running in the background, which means that Podman can be integrated into system services via systemd. So today in this article we will teach you how to install Podman on Ubuntu.
How to install Podman on Ubuntu
previous requirements
- You must have a running Ubuntu 20.04 LTS server.
- You must have sudo or root access to run the privileged command.
- You must have the apt-get, curl and apt-key utilities installed on your server.
Source operating system version
- First get the version of the operating system using the command source /etc/os-release as shown below.
root@cyberithub:~# source /etc/os-release
add repository
- Since podman is not available in the default Ubuntu repository, we need to add the kubic repository to download the podman package. It can then be installed via any Ubuntu package manager like apt or apt-get. Use the following command to add the repository.
Add GPG key
- Then download and add the GPG key using the following command. This is necessary to verify the integrity of the downloaded package.
Update your server
- The next step is to update the package cache with all the package information from the newly added repository using the apt-get update command. This step is necessary for the system to know the package available in the added repository.
Update your server
- If necessary, you can also check if any of the packages need to be upgraded to the latest version using the apt-get -y upgrade command as shown below.
install podman
- You can now download and install the podman package from the configured repository using the apt-get -y install podman command as shown below. This will install the package along with all its dependencies.
Check the version of Podman
- After a successful installation, you can check the version of the currently installed utility using the podman –version command. As you can see, the currently installed version is 3.4.2.
Extract images
- Now that we have podman installed on our system, it’s time to extract the first docker image from the Registry using podman’s extract command. Here we are pulling the latest ubuntu image using the podman pull ubuntu command as shown below.
list of images
- Once the image is pulled from the registry, you can check the repository details, image id, time the image was created, and size using the podman images command as shown below.
Uninstall Poman
- Once you are done with podman, you can remove it from your system using the apt-get remove podman command.
Final words: How to install Podman on Ubuntu
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