Table of Contents
What is Kubernetes air gap?
An airgap cluster is any cluster that doesn’t have outbound internet access, and therefore cannot pull application images from a Docker registry. If you or your customer already has an airgap cluster ready for your installation you can use Replicated KOTS to deliver and manage the application. …
Why is K8s short for Kubernetes?
The abbreviation K8s is derived by replacing the eight letters of “ubernete” with the digit 8. The Kubernetes Project was open-sourced by Google in 2014 after using it to run production workloads at scale for more than a decade.
What is air gap install?
A dishwasher air gap is a fitting mounted about two inches above the sink that prevents contaminated water from re-entering the dishwasher from the drain via backflow. An air gap is a simple way to make certain wastewater and contaminants never re-enter your clean water supply.
What is air gapped deployment?
An air gapped deployment is defined by not allowing any direct connection to the Internet or external networks from the cluster during setup or runtime. All data that is transferred to the cluster must be transferred in a secure fashion.
What is request and limit in Kubernetes?
Requests and limits are the mechanisms Kubernetes uses to control resources such as CPU and memory. If a container requests a resource, Kubernetes will only schedule it on a node that can give it that resource. Limits, on the other hand, make sure a container never goes above a certain value.
How does K8s work?
Kubernetes keeps track of your container applications that are deployed into the cloud. It restarts orphaned containers, shuts down containers when they’re not being used, and automatically provisions resources like memory, storage, and CPU when necessary.
What is K8s deployment?
A Kubernetes deployment is a resource object in Kubernetes that provides declarative updates to applications. A deployment allows you to describe an application’s life cycle, such as which images to use for the app, the number of pods there should be, and the way in which they should be updated.
How is K8s pronounced?
So, how do you pronounce Kubernetes? Kubernetes is pronounced coo-ber-net-ees, not coo-ber-neats. People also use the shortened version k8s a lot. Please don’t pronounce that one k-eights—it is still coo-ber-net-ees.
What are air gaps used for?
Air gaps prevent cross-connections and contamination by discharging water and waste across an unobstructed space (a gap of air). That space is between the fixture outlet and the “flood level rim” of a receptacle (be it a sink, floor drain, standpipe, or other approved unit).
What are the leading Kubernetes systems running on K8s clusters?
Figure 1: Current leading systems that appeared or were adapted to run jobs on k8s clusters. On the far left side of figure 1, we find projects such as Argo and Brigade that are Kubernetes centric projects that were specifically built to run on k8s clusters.
What is Kubernetes and how did it get its name?
By the way, if you’re wondering where the name “Kubernetes” came from, it is a Greek word, meaning helmsman or pilot. The abbreviation K8s is derived by replacing the eight letters of “ubernete” with the digit 8. The Kubernetes Project was open-sourced by Google in 2014 after using it to run production workloads at scale for more than a decade.
What is the programmatic interface of Kubernetes?
The programmatic interface the Kubernetes API allows the job broker to configure and generate k8s objects in a very scalable and flexible way. Workqueue Watcher and Job Statuses DB: A passive workqueue job watcher that listens to the k8s api stream for any pod/container lifecycle state change on a specific k8s namespace.
What does K8s stand for?
The abbreviation K8s is derived by replacing the eight letters of “ubernete” with the digit 8. The Kubernetes Project was open-sourced by Google in 2014 after using it to run production workloads at scale for more than a decade.