podman,

Docker as an alias for Podman

Dec 23, 2021 · 1 min read · Post a comment
Docker as an alias for Podman

There is a quick hack to get started with Podman if you are not familiar with the syntax though.

Prerequisites

Solution

Step 1. First thing you gotta make sure Docker and Podman are both installed.

$ docker --version
$ podman --version

Example output:

Docker version 20.10.11, build dea9396
podman version 3.4.1

Step 2. Create an alias.

$ alias docker=podman

Step 3. Test things out by listing currently running containers in podman.

$ docker ps

Example output:

CONTAINER ID  IMAGE                           COMMAND           CREATED        STATUS            PORTS                 NAMES
48b6f110f166  docker.io/library/httpd:latest  httpd-foreground  9 seconds ago  Up 9 seconds ago  0.0.0.0:8080->80/tcp  brave_hugle

Conclusion

Running Podman in root mode won’t cause you any headaches when transitioning from Docker. Although it might defeat the purpose since it’s supposed to be run in a rootless mode, which might be a topic for another day.
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