basics Flashcards
what is kubernetes
Kubernetes is a platform that orchestrates the placement (scheduling) and execution of application containers within and across computer clusters
K8 cluster consists of two types of resources. What are they?
a master and nodes
What are the 4 basic things the K8 master does ?
Scheduling, Maintaining applicaition’s desired state, scaling, rolling out updates
What does each K8 node have ?
A kublet, and a runtime (docker)
How do Nodes communicate with the master?
Through the K8 API, which the master exposes
Are application containers tied to a physical machine
No. k8 will decide which node to run an application container on.
who exposes the k8 api? who uses it?
the master exposes it. users and nodes use it