Kube-proxy: A network proxy that runs on each node, maintaining network rules and enabling communication.

The "pulse check." It tells Kubelet to restart a container if the probe fails (e.g., an app deadlock).

A tool for customizing Kubernetes YAML configurations without templates. It allows for "overlays" on base configs.

CronJobs: Manages time-based Jobs, similar to entries in a crontab file.

Taints and Tolerations: Allows a node to repel a set of pods unless the pod has a matching toleration.