RHCE Containers and Podman 2

Question 1

What command builds a container image from a `Containerfile` in the current directory?

Accepted Answer

podman build -t myimage .

Answer

`podman build -t myimage .` builds an image named `myimage` from the Containerfile in the current directory.

Question 2

Which command generates a systemd unit file to run a Podman container as a service?

Accepted Answer

podman generate systemd mycontainer

Answer

`podman generate systemd` creates a systemd unit file for a container that can be enabled to start at boot.

Question 3

What does the `podman inspect` command return?

Accepted Answer

Detailed JSON metadata about a container or image

Answer

`podman inspect` outputs detailed JSON metadata including configuration, mounts, network settings, and state of a container or image.

Question 4

Which file is the Podman/OCI equivalent of a Dockerfile?

Accepted Answer

Containerfile

Answer

A `Containerfile` is the OCI standard equivalent of a `Dockerfile`, supported natively by Podman and Buildah.

Question 5

What command stops and removes a running container named `webserver` in one step?

Accepted Answer

podman rm -f webserver

Answer

`podman rm -f` force-stops and removes a running container in a single command.

RHCE - Red Hat Certified Engineer Practice Test