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k3s-docs

Provide K3s documentation guidance for installation, networking, security, and CLI usage.

7|2|Updated Feb 25, 2026
Search Tags:#networking#installation#upgrades#security hardening#k3s#cli reference#kubernetes edge
One-click install
npx skills add https://github.com/wenerme/ai --skill k3s-docs
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: k3s-docs
Source: https://github.com/wenerme/ai/tree/main/skills/k3s-docs
Command: npx skills add https://github.com/wenerme/ai --skill k3s-docs

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you quickly understand and apply K3s concepts, installation options, networking, security, upgrades, and CLI usage without manually searching scattered documentation.

Core Features & Use Cases

  • Installation & Deployment Guidance: Covers installing K3s for IoT/edge, including air-gap setups, private registries, HA modes, and server/agent roles.
  • Architecture & Operations: Explains how embedded datastore/etcd works, how upgrades are handled, and what to do during rollbacks and certificate/token management.
  • Networking & Security Playbooks: Details Flannel/CoreDNS/Traefik networking choices, DNS configuration, Multus options, and security hardening steps (secrets encryption, CIS hardening).

Quick Start

Use the k3s-docs skill to explain how to set up a private-registry mirror for an air-gapped K3s installation on edge devices.

Frequently Asked Questions about k3s-docs

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I install K3s for edge IoT clusters in an air-gapped environment?▼

Install K3s for edge IoT in air-gapped environments by configuring private registry mirrors and deploying server/agent nodes using the K3s installation prerequisites and reference documentation structure.

How does K3s networking work with Flannel, CoreDNS, and Traefik?▼

K3s networking integrates Flannel for pod networking, CoreDNS for cluster DNS resolution, and Traefik as the default ingress controller. Multus is also supported for attaching multiple network interfaces to pods.

Can I configure high availability clusters using K3s for edge deployments?▼

K3s supports high availability deployments for edge clusters using an embedded datastore or external etcd. The documentation guides HA setup, server/agent role configurations, and cluster architecture planning.

What steps are needed for K3s security hardening and CIS compliance?▼

K3s security hardening involves configuring secrets encryption and applying CIS benchmark compliance steps. The documentation provides specific playbooks for locking down cluster security and managing certificates.

How do I handle K3s upgrades and rollbacks without cluster downtime?▼

K3s upgrades and rollbacks are managed through the built-in upgrade process detailed in the documentation. Follow the CLI reference and operational guidelines to ensure smooth cluster transitions and certificate management.

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