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Network Policy

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Linux Ops Smart Journey
Linux Ops Smart Journey
Apr 25, 2025 · Cloud Native

How to Seamlessly Migrate Calico from etcd to Kubernetes Datastore

Learn step‑by‑step how to transition Calico’s data store from etcd to Kubernetes, covering prerequisite checks, locking the datastore, exporting and importing data, reconfiguring calicoctl, applying the new manifests, and unlocking the store, while highlighting benefits and tips for a smooth migration.

CalicoKubernetesNetwork Policy
0 likes · 11 min read
How to Seamlessly Migrate Calico from etcd to Kubernetes Datastore
Cloud Native Technology Community
Cloud Native Technology Community
Sep 7, 2023 · Information Security

Kubernetes Security Testing: Importance, Methods, and Best Practices

This article explains why security testing is critical for Kubernetes clusters, outlines key testing approaches such as SAST, DAST, container image scanning, configuration audits, and network policy testing, and provides practical steps for integrating these methods into CI/CD pipelines to ensure robust cloud‑native security.

Configuration AuditContainer ScanningDAST
0 likes · 9 min read
Kubernetes Security Testing: Importance, Methods, and Best Practices
Efficient Ops
Efficient Ops
Aug 10, 2022 · Cloud Native

How Kubernetes Ensures Seamless Pod Networking with CNI and Network Policies

This article explains Kubernetes' fundamental network requirements, the pod networking model, the role of CNI plugins, common implementation approaches, and how Network Policies provide fine-grained traffic control, offering a comprehensive overview of container networking within cloud-native clusters.

CNICloud NativeKubernetes
0 likes · 11 min read
How Kubernetes Ensures Seamless Pod Networking with CNI and Network Policies
Ops Development Stories
Ops Development Stories
Aug 17, 2021 · Operations

Running Kubernetes Without kube-proxy Using Cilium: Step‑by‑Step Guide

This article walks through installing Cilium as a CNI on a Kubernetes v1.21.3 cluster, disabling kube-proxy, and verifying network connectivity with an Nginx deployment, providing commands, configuration details, and validation steps for a kube‑proxy‑free setup.

CNICiliumHelm
0 likes · 9 min read
Running Kubernetes Without kube-proxy Using Cilium: Step‑by‑Step Guide
Architecture Digest
Architecture Digest
Jan 14, 2021 · Cloud Native

Understanding Kubernetes Components Through an Aquarium Analogy

The article uses an aquarium metaphor to explain Kubernetes fundamentals—including Pods, Nodes, Scheduler, ReplicaSets, Services, Network Policies, and ConfigMaps—by comparing applications to fish, tanks to Pods, rooms to Nodes, and the control plane to the aquarium manager, making complex concepts easier to visualize.

Cloud NativeConfigMapContainers
0 likes · 7 min read
Understanding Kubernetes Components Through an Aquarium Analogy
Sohu Tech Products
Sohu Tech Products
Feb 5, 2020 · Cloud Native

Deploying Calico Network Policies on Hardware in Container Cloud Environments

The article answers a technical question about using Calico as the network mode in container cloud networks, explaining that Calico relies on three‑layer routing with BGP, requiring hardware BGP support and sufficient processing capacity to host the full‑mesh routing for all nodes.

BGPCalicoCloud Native
0 likes · 2 min read
Deploying Calico Network Policies on Hardware in Container Cloud Environments