Run Containers Flashcards
What do containers provide?
A lightweight way to distribute and run an application with its dependencies so that it does not conflict with installed software on the host.
Where do conatiners run from?
Containers run from container images that you can download from a container registry or create yourself.
How are container files used?
With instructions to build a customized container image.
What is Podman?
Provided by Red Hat Enterprise Linux provides, directly runs and manages containers and container images on a single host.
How can containers be ran?
As root, or as non-privileged rootless containers for security.
What can be mapped on the container host?
Network ports to pass traffic to services that run in its containers.
How can environment variables with containers?
To configure the software in containers at build time.
Although container storage is temporary what can be attached?
Persistent storage to a container by using the contents of a directory on the container host, for example.
What can a systemd unit file be configured to do?
Automatically run containers when the system starts.