A set of scheduling rules that constrains which nodes your pod can be scheduled on based on labels on those nodes.
: The software responsible for running containers (e.g., containerd , CRI-O). II. Fundamental Workload Units
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Runs on every node. Maintains network rules (iptables or IPVS) to forward traffic destined for a Service IP to the actual pod IPs.
The simplest form of constraint for Pod assignment, ensuring Pods are only scheduled on nodes with specific labels. A set of scheduling rules that constrains which
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A request for storage by a user, matching a pod's specific size and access mode needs to an available PV.
: A syntax for filtering and extracting data from JSON objects.
The default Kubernetes service type. It exposes the service on a cluster-internal IP, making it reachable only from within the cluster. 23. NodePort Fundamental Workload Units This public link is valid
Similar to ConfigMaps but specifically designed to hold sensitive data like passwords, OAuth tokens, and SSH keys, obfuscating them using Base64 encoding. 33. Persistent Volumes (PV)
Rules controlling traffic flow (firewall).
: A deployment strategy that gradually replaces old versions with new ones.
The golden rule of K8s admin. If you don't have a backup of etcd , you don't have a cluster. Snapshot etcd regularly and practice restores. Can’t copy the link right now
The foundation of every Kubernetes cluster is split between the (the "brain") and Worker Nodes (where applications run). Cluster Architecture | Kubernetes
A way to divide cluster resources between multiple users or projects.
: Managing finite tasks within a continuous environment. 3. The Networking Maze