Wiki Article · Cinematic

K3s

K3s ek lightweight, certified Kubernetes distribution hai jo specifically edge computing, IoT…

Overview

K3s — Quick Facts

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Property: Detail

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Full Name: K3s — Lightweight Kubernetes

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Category: Container Orchestration /…

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Developer: Rancher Labs (now SUSE)

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Full Name | K3s — Lightweight Kubernetes | | Category |…

Topic 2

Kya Hai K3s

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Edge locations: Retail stores,…

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IoT devices: Raspberry Pi,…

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Development/Testing: Developers ka…

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CI/CD pipelines: Ephemeral test…

Topic 3

History aur Background

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Kubernetes = K + 8 letters…

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K3s = K + 3 letters + s — "half…

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Originally Darren Shepherd…

Topic 4

K3s vs Standard Kubernetes

⭐ | Aspect | Standard Kubernetes (K8s) | K3s | |---|---|---| | Binary Size | 1+ GB…

Topic 5

K3s Architecture

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kube-apiserver: Kubernetes API…

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kube-scheduler: Pods ko nodes par…

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kube-controller-manager:…

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kubelet: Container lifecycle…

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Architecture Diagram

✨ `mermaid flowchart TB subgraph ControlPlane["K3s Server Node (Control Plane + Worker)"]…

Topic 7

Components aur Bundled Defaults

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--disable traefik: Traefik disable…

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--disable servicelb: ServiceLB…

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--disable local-storage:…

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--flannel-backend=none: Flannel…

Topic 8

Installation aur Setup

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K3s binary + images tarball…

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Target machine par copy karo

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INSTALL_K3S_SKIP_DOWNLOAD=true…

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Images…

Topic 9

Server (Control Plane) aur Agent (Worker)

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Kubernetes API serve karna (port…

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Scheduling decisions lena

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Controller reconciliation loops…

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Cluster state datastore manage…

Topic 10

Datastore Options

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Development / Edge / Single-node:…

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Production HA (small-medium):…

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Production HA (enterprise):…

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Air-gapped edge: SQLite (simplest,…

Topic 11

Networking in K3s

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K3s me Flannel CNI default hai

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VXLAN backend use karta hai…

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Simple, reliable, low configuration

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Alternative backends: host-gw,…

Topic 12

Storage in K3s

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Automatically PersistentVolumes…

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Simple — dev/test ke liye perfect

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Production ke liye limited (no…

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Distributed block storage with…

Topic 13

High Availability (HA)

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Minimum 3 server nodes (odd number…

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Load balancer front of API servers…

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Shared datastore (embedded etcd ya…

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Fixed registration address (DNS ya…

Topic 14

Edge Computing aur IoT Use Cases

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Raspberry Pi 4: K3s server +…

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NVIDIA Jetson: K3s + GPU workloads…

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Intel NUC: K3s HA cluster for…

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ARM-based gateways: Industrial IoT…

Topic 15

K3s vs K0s vs MicroK8s vs Kind vs Minikube

🌟 | Aspect | K3s | K0s | MicroK8s | Kind | Minikube | |---|---|---|---|---|---| | Developer…

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Security Considerations

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Auto TLS: Server aur agents ke…

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Token-based join: Agent node join…

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Secrets encryption:…

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Network policies: Flannel + Calico…

Topic 17

Monitoring aur Observability

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Fluent Bit prefer karo (Fluentd se…

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Prometheus remote-write use karo…

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Grafana Agent use karo…

Topic 18

CI/CD Integration

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Fast: 30 seconds me cluster ready…

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Lightweight: CI runner par kam…

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Real Kubernetes: Certified K8s —…

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Disposable: Har pipeline run me…

Topic 19

Production Best Practices

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Minimum 3 server nodes (embedded…

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Load balancer in front of API…

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Odd number of server nodes (quorum…

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K3s snapshots: k3s etcd-snapshot…

Topic 20

Rancher aur K3s Integration

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Multiple K3s clusters manage kar…

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Users/RBAC manage kar sakte ho

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Catalog se applications deploy kar…

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Monitoring/logging enable kar…

Topic 21

Common Use Cases

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Har store me 1-3 node K3s cluster

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POS (Point of Sale) applications…

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Central Rancher se manage

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Offline capability (store internet…

Topic 22

Limitations aur Trade-offs

✨ | Limitation | Detail | Mitigation | |---|---|---| | SQLite scalability | SQLite…

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Troubleshooting Common Issues

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systemctl status k3s — service…

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journalctl -u k3s -f — live logs

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k3s kubectl get nodes — node status

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k3s kubectl get pods -A — all pods

Topic 24

Future Trends

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WASI (WebAssembly System…

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SpinKube, wasmCloud, Fermyon —…

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Containers se bhi lightweight —…

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K3s + GPU support (NVIDIA Jetson)

Comparison

K3s vs Standard Kubernetes

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Binary Size: 1+ GB (multiple binaries)

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Installation: Complex (kubeadm,…

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Min RAM (Server): 2-4 GB

Comparison

K3s vs K0s vs MicroK8s vs Kind vs Minikube

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Developer: Rancher/SUSE

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Primary Use: Edge, IoT, production

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Install: curl script

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

K3s ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

K3s ka 'Full Name' kya hai?

Complete! 🎉

K3s Complete!

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K3s Complete

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