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RHCSA 8 - CH26
Managing Containers
11
Computer Science
Undergraduate 3
01/01/2022

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Cards

Term
container
Definition
A ready-to-run application that is started from an image and includes all application dependencies.
Term
container engine
Definition
The code that allows you to run containers on top of an operating system.
Term
CRI-o
Definition
The default container engine on RHEL 8. It should be pronounced CRY-o.
Term
Docker
Definition
A common solution to run containers.
Term
image
Definition
The read-only instance from which a container is started.
Term
Kubernetes
Definition
The standard in container orchestration and also the foundation of Red Hat OpenShift.
Term
linger
Definition
The Systemd feature that is needed to start Systemd user units at system boot and not at user login.
Term
namespace
Definition
An isolated environment that is created by the Linux kernel and allows for running containers in complete isolation.
Term
OpenShift
Definition
The Red Hat platform, based on Kubernetes, that is used for container orchestration.
Term
orchestration
Definition
The technique that ensures containers can be offered in a scalable and redundant way in corporate environments.
Term
registry
Definition
A location where container images are started from.
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