RHCSA RHCSA Containers and Podman 2

Question 1

Which Podman command maps host port 8080 to container port 80 when running an nginx image?

Accepted Answer

podman run -p 8080:80 nginx

Answer

The '-p host_port:container_port' flag publishes the container port to the specified host port.

Question 2

Which command lists all locally stored container images in Podman?

Accepted Answer

podman images

Answer

'podman images' displays all images stored in the local image cache, including their tags and sizes.

Question 3

What command generates a systemd unit file for an existing Podman container named 'myapp'?

Accepted Answer

podman generate systemd myapp

Answer

'podman generate systemd myapp' outputs a systemd service unit file that can manage the container lifecycle.

Question 4

Which command runs the 'bash' shell inside a running container named 'myapp'?

Accepted Answer

podman exec -it myapp bash

Answer

'podman exec -it myapp bash' opens an interactive terminal session running bash inside the running container.

Question 5

How do you mount the host directory '/data' to '/mnt/data' inside a Podman container?

Accepted Answer

podman run -v /data:/mnt/data nginx

Answer

The '-v host_path:container_path' (volume) flag bind-mounts a host directory into the container.

RHCSA Exam Practice Test