Kubernetes

Kubernetes pods are a group of containers that act like a single VM: they have a single IP address, they can share a file system, and they typically have similar security settings. The main goal of the pod is to separate processes and their dependencies while maintaining the same network identity.

What the hell is a Pod anyways? – Dominik Tornow – Medium
Kubernetes 101: Pods, Nodes, Containers, and Clusters
docker101/play-with-kubernetes/concepts at master · ajeetraina/docker101

Kubernetes 101: What It Is & Why Apps Need It
Kubernetes 101: What are Containers and Pods
Kubernetes 101: What are Nodes and Clusters?
Kubernetes 101: Container Orchestration in the Cloud
Kubernetes 101: Breaking Down a Kubernetes Deployment

What Is Kubernetes? An Introduction to the Wildly Popular Container Orchestration Platform
Understanding the Relationships Between Kubernetes Clusters, Nodes, and Pods

Namespaces | Kubernetes
docker101/play-with-kubernetes/concepts/namespace at master · ajeetraina/docker101
All I Need Is A Kubernetes Namespace | by Luc Juggery | Level Up Coding

The DevOps 2.3 Toolkit: Kubernetes Workshop

Objects/CRD

Understanding Kubernetes Objects - Kubernetes
Object Management Using kubectl - Kubernetes

Custom Resources - Kubernetes

cloud-ark/kubediscovery: Kubernetes Aggregated API server for discovering additional information about Custom Resources in your Cluster

Learning

Play with Kubernetes
Introducing PWK (play with K8s) – Marcos Nils – Medium

Learnk8s — the Kubernetes training company
Learn - kubedex.com
Learn Kubernetes - Best Kubernetes Tutorials (2019) | gitconnected
Getting Started with Kubernetes | Pluralsight

Learn Kubernetes with Lessons & Tutorials | Kube by Example by Red Hat OpenShift
Learning Path: Kubernetes – IBM Developer
Introduction to Kubernetes (LFS158) - Linux Foundation - Training
Scalable Microservices with Kubernetes | Udacity
Getting Started with Kubernetes | Pluralsight
Introduction to Kubernetes
Fundamentals of Containers, Kubernetes, and Red Hat OpenShift
Kubernetes Tutorial | Kubernetes | Kubernetes tutorial for beginners - YouTube
magicsandbox
heptio/kubernetes-workshop: Documentation on our Kubernetes Workshops
tkssharma/k8s-learning: Just for learning

A Gentle Introduction to Kubernetes - Faun - Medium
eon01/kubernetes-workshop: ⚙️ A Gentle introduction to Kubernetes with more than just the basics. 🌟 Give it a star if you like it.

Having fun with Kubernetes #1 – Martin Pham
Having fun with Kubernetes #2 – Martin Pham
Having fun with Kubernetes #3 – Martin Pham
Having fun with Kubernetes #4 – Martin Pham
Having fun with Kubernetes #5 – Martin Pham
Having fun with Kubernetes #Final – Martin Pham
Martin Pham / kubernetes-fun · GitLab

A Tutorial Introduction to Kubernetes
The Kubernetes Bible for Beginners & Developers - Level UpLevel Up
Kubernetes Tutorial - YouTube

awesome-kubernetes · GitBook
kelseyhightower/kubernetes-the-hard-way: Bootstrap Kubernetes the hard way on Google Cloud Platform. No scripts.
Learn Kubernetes the Hard Way (the Easy and Cheap Way) – zwischenzugs
Working with Kubernetes API

Kubernetes - from the beginning, Part I, Basics, Deployment and Minikube - DEV Community 👩‍💻👨‍💻
Kubernetes - from the beginning, part II, Pods, Nodes and Services - DEV Community 👩‍💻👨‍💻
Kubernetes - from the beginning, part III scaling my app - DEV Community 👩‍💻👨‍💻
Kubernetes - from the beginning, part IV, autoscaling - DEV Community 👩‍💻👨‍💻

Building Your First Certified Kubernetes Cluster On-Premises, Part 1 - Docker Blog

Designing Your First App in Kubernetes, Part 1: Getting Started - Docker Blog
Designing Your First App in Kubernetes, Part 2: Setting up Processes - Docker Blog
Designing Your First Application in Kubernetes, Part 3: Communicating via Services - Docker Blog
Designing Your First Application in Kubernetes, Part 4: Configuration - Docker Blog
Designing Your First Application in Kubernetes, Part 5: Provisioning Storage - Docker Blog

Kubernetes - YouTube
Kubernetes Best Practices - YouTube
Rancher Labs - YouTube
TGI Kubernetes - YouTube
K8s Primer - YouTube
Kubernetes Tutorial | Udemy: Kubernetes Made Easy | Coupon: YTUBE999 - YouTube some are demo, on GCP
Kubernetes for the Absolute Beginners - YouTube

Controllers

kind in YAML

Controllers	Remarks
ReplicaSet
ReplicationController	use Deployment instead
Deployment	ReplicaSet with update policy
StatefulSet	aka. PetSets
DaemonSet	run Pod on all nodes; for monitoring or cluster storage
Garbage Collector
Job
CrobJob

selector is required for ReplicaSet, optional for ReplicationController

Demystifying Kubernetes StatefulSets | YugaByte DB
What I learnt about Kubernetes Controllers – ITNEXT

Using Admission Controllers - Kubernetes
A Guide to Kubernetes Admission Controllers - Kubernetes

Kubernetes Replication Controller, Replica Set and Deployments: Understanding replication options | Mirantis
Understanding ReplicaSet vs. StatefulSet vs. DaemonSet vs. Deployments - Semaphore

paolomainardi/additronk8s-retrogames-kubernetes-controller: A retrogames kubernetes controller built in Javascript

Probes

Configure Liveness and Readiness Probes - Kubernetes
Liveness Probes are Dangerous | SRCco.de
Pod Lifecycle - Kubernetes

Examples

YAML in Kubernetes always contains 4 top level fields:

apiVersion:
kind:
metadata:
spec:

Pod spec will be embedded as spec.template inside a controller.

Red Hat Tutorials & Examples · GitHub
chef-cookbooks/kubernetes: A cookbook that includes resources for deploying Kubernetes Pods, Replication Controllers, and Services

How YOU actually use Kubernetes, starring YAML files - DEV Community 👩‍💻👨‍💻
How to deploy a Cassandra Cluster on Kubernetes with OpenEBS | Containerized Me
How to deploy Jenkins on Kubernetes + OpenEBS | Containerized Me
How to deploy a PostgreSQL Cluster on Kubernetes + OpenEBS | Containerized Me

$65 Kubernetes Cluster on DigitalOcean - Part I – DevsOnDevs – Medium
Add Persistent Volume Support Using DigitalOcean Block Storage - Part II

Production Grade

Provisioning and Lifecycle of a Production Ready Kubernetes Cluster
Kubernetes High Availability: No Single Point of Failure - The New Stack
Kubernetes Performance Trouble Spots: Airbnb's Take - The New Stack
5 Tips to Deploy Production-Ready Applications in Kubernetes – The New Stack
Kubernetes at Scale without GitOps Is a Bad Idea - The New Stack
Kubernetes High Availability – Dominik Tornow – Medium
Kubernetes for Scalability and High Availability in Microservices - DZone Microservices
Migrating to Kubernetes with zero downtime: the why and how
Deploying Rock Solid Applications with Kubernetes – manifoldco
Keep your Kubernetes cluster balanced: the secret to High Availability
Scaling Kubernetes for 25M users – Brendan Rius – Medium
Kubernetes Autoscaling 101: Cluster Autoscaler, Horizontal Pod Autoscaler, and Vertical Pod…
Production-Grade Kubernetes Development
Kubernetes Deployment Strategies
Why Kubernetes Works for Infrastructure Abstraction - The New Stack
5 Best Practices for Configuring Kubernetes Pods Running in Production - The New Stack
Kubernetes Best Practices in Production - Container Journal
What do I need to add on top of Kubernetes? | elastisys day 2 operations

From 0 to 3 Million+ Deployments: Scaling App Platform on Kubernetes - YouTube
Kubernetes Requests, Limits, and Autoscalers: How They (Sometimes Don't) Work Together - YouTube

Kubernetes Deployment Antipatterns - part 1 - Codefresh
Kubernetes Deployment Antipatterns - part 2 - Codefresh
Kubernetes Deployment Antipatterns - part 3 - Codefresh

jthomperoo/custom-pod-autoscaler: Custom Pod Autoscaler base, allows creation of Custom Pod Autoscalers

Who’s Who In Kubernetes Deployment Models? | D2iQ
Which Kubernetes Deployment Model is Right for You? | D2iQ
How to Get Your Kubernetes Deployment Priorities Straight | D2iQ
Lessons Learned Shipping Instana Self-Hosted On Kubernetes - Instana

Scaling SpringBoot with Message Queues and Kubernetes ♦︎ Learnk8s

workshop/k8sprod.md at master · gravitational/workshop

Best Practices to Spring to Kubernetes Easier and Faster Spring, Jib, Scaffold

ilhaan/kubeCDN: Self-hosted CDN based on Kubernetes
How to build your own CDN with Kubernetes – Insight Fellows Program

Kubernetes, are you ready for production? - DEV Community 👩‍💻👨‍💻 2019 Kubernetes trend report

Tips and Tricks

10 Basic Facts About Kubernetes That You Didn’t Know - DZone Cloud
12 ways to get smarter about Kubernetes | The Enterprisers Project
Kubernetes Best Practices — Season One – Google Cloud Platform - Community – Medium
10 Kubernetes Best Practices You Can Easily Apply to Your Clusters - The New Stack
Useful tools for developers running applications in Kubernetes

Adopting Kubernetes? Here's What You Should Definitely Not Do - DZone Cloud
Kubernetes Anti-Patterns: Let's Do GitOps, Not CIOps! - DZone Cloud

Learning Center | Komodor
Kubernetes Failure Stories | SRCco.de
How to detect Kubernetes overspending by measuring idle costs
A Practical Guide to Setting Kubernetes Requests and Limits - Home
How-to guide: Debugging a Kubernetes application | Cloud Native Computing Foundation

Kubernetes Master Class Troubleshooting Kubernetes - YouTube slides
Learn How to Troubleshoot Applications Running on Kubernetes
Kubernetes resources by Rancher, but should be applicable to all K8s cluster

Learning Center | Komodor
Posts in category architecture
Container Design Patterns for Kubernetes - Part 1

Building Optimized Containers for Kubernetes | DigitalOcean
Modernizing Applications for Kubernetes - DEV Community 👩‍💻👨‍💻

How to Treat Your Kubernetes Clusters Like Cattle, Not Pets - The New Stack

Kubernetes patterns: capacity planning | Cloud Native Computing Foundation

Tools

kubedex.com - Discover and learn about everything Kubernetes

4 cool Kubernetes tools for mastering clusters | InfoWorld
3 open source projects that make Kubernetes easier | InfoWorld Heptio, Kubed, Kubicorn
Kubernetes: A Little Guide to Install Options – OpenShift Blog
Top 11 Continuous Delivery Tools for Kubernetes (Part 1) - DZone Cloud
50+ Useful Kubernetes Tools - DZone Cloud
15 tools to tame Kubernetes deployments | InfoWorld
Kubernetes: 6 open source tools to put your cluster to the test | The Enterprisers Project
9 Open Source Developer Tools for Kubernetes - Container Journal
the ULTIMATE kubernetes management tools comparison! - YouTube

Interoperability of open-source tools: the emergence of interfaces | by Katie Gamanji | Medium

cloudnativelabs/kube-shell: Kubernetes shell: An integrated shell for working with the Kubernetes
boz/kail: kubernetes log viewer Tail for k8s

brendanjryan/ccheck: A command line tool for validating Kubernetes configs with rego
"When we started with YAML we never intended it to be the user-facing solution, We saw it as ‘assembly code.’ I’m horrified that we are still interacting with it directly." - Joe Beda

Kubie — command-line utility in Rust // Lib.rs
ahmetb/kubectx: Faster way to switch between clusters and namespaces in kubectl
kubectx/kubens at master · ahmetb/kubectx

Kubeval validating Kubernetes configuration files
Kubernetes YAML Generator

Installation/Distros

Each installer is actually a "distribution" of Kubernetes.

Kubernetes Distributions and 'Kernels' - Tim Hockin & Michael Rubin, Google - YouTube
KubeCon2017-_Kernels_and_Distros.pdf
10 Kubernetes distributions leading the container revolution | InfoWorld
CNCF-Webinar-Navigating-the-Sea-of-Local-Clusters-.pdf
paper11.pdf

Picking the Right Solution
A Comparison of Kubernetes Distributions - DZone Cloud
Kubernetes On-Prem - kubedex.com
Kubernetes On A Laptop - kubedex.com
Evaluate 3 ways to run Kubernetes locally Minikube vs MicroK8s vs K3s
K3s vs K8s: The Best Kubernetes Home Lab Distribution - Virtualization Howto
k0s vs k3s - Battle of the Tiny Kubernetes distros - Virtualization Howto

Introducing Software Certification for Kubernetes - Kubernetes
heptio/sonobuoy: Heptio Sonobuoy is a diagnostic tool that makes it easier to understand the state of a Kubernetes cluster by running a set of Kubernetes conformance tests in an accessible and non-destructive manner. Brought to you by Heptio.

Kubernetes On Bare Metal
Bare Metal K8s Clustering at Chick-fil-A Scale – Chick-fil-A Tech Blog – Medium Ansible

How to spin-up Kubernetes HA cluster (19 nodes) with a single of command

kubernetes/kubernetes-anywhere: {concise,reliable,cross-platform} turnup of Kubernetes clusters

platform9/decco: Deployment cluster configuration and operations for Kubernetes

Kubernetes Operating Systems - kubedex.com

kubeadm

kubeadm does not install network solution, you have to kubtctl apply manually

Kubernetes.io Blog: Production-Ready Kubernetes Cluster Creation with kubeadm - General Discussions - Discuss Kubernetes

Using kubeadm to Create a Cluster | Kubernetes
Setting up a Kubernetes cluster using Docker in Docker | Callista Enterprise with kubeadm
Mirantis/kubeadm-dind-cluster: A Kubernetes multi-node test cluster based on kubeadm

Kubernetes on bare-metal in 10 minutes native with kubeadm, Ubuntu 16.04 packages
Kubernetes on Ubuntu native with kubeadm, install dashboard and test with kube-test-container

How To Create a Kubernetes Cluster Using Kubeadm on Debian 9 | DigitalOcean Ansible + kubeadm

Kubespray
kubernetes-sigs/kubespray: Deploy a Production Ready Kubernetes Cluster
Ansible + kubeadm

microk8s

Zero-ops single-node k8s maintained by Canonical, Minikube killer

sudo snap install microk8s --classic
microk8s.enable dns storage dashboard registrys
microk8s.kubectl version

MicroK8s - Zero-ops Kubernetes for developers, edge and IoT
ubuntu/microk8s: A kubernetes cluster in a snap

Introducing HA MicroK8s, the ultra-reliable, minimal Kubernetes | Ubuntu
From lightweight to featherweight: MicroK8s memory optimisation | Ubuntu
Local Kubernetes for Linux - MiniKube vs MicroK8s
What's the difference between k3 vs microk8's? - General Discussions / microk8s - Discuss Kubernetes
K3s and MicroK8s What’s the Difference? | by Maciej | Medium

Portainer recommends MicroK8s for effortless deployment | Ubuntu
MicroK8s and Portainer Is The Easiest Way to Deploy an Application on Kubernetes - The New Stack
Mikrok8s Automated Kubernetes Install with new Portainer Feature - Virtualization Howto

Introduction to Kubernetes | Drifting Ruby
使用 MicroK8s 架設 Kubernetes 叢集的完整過程解析 | The Will Will Web

Canonical makes Kubernetes moves | ZDNet
Canonical launches MicroK8s – deploy Kubernetes in seconds | Ubuntu blog
Features of Charmed Distribution of Kubernetes | Ubuntu

Building a Raspberry Pi cluster with MicroK8s | Ubuntu
Tips for running Kubernetes cluster on Raspberry Pi | by Lukasz Raczylo | Apr, 2021 | ITNEXT

Minikube

Zero-ops single-node k8s with VM or Docker

Welcome! | minikube
Running Kubernetes Locally via Minikube
kubernetes/minikube: Run Kubernetes locally
Use --vm-driver=none option to run k8s with Docker in Docker instead of VM
bsycorp/kind: Kubernetes-in-Docker - A single node cluster to run your CI tests against thats ready in 30 seconds minikube in docker
Starting local Kubernetes using kind and Docker – ITNEXT

Local Kubernetes for Windows - MiniKube vs Docker Desktop - Codefresh
Advanced Topics and Tutorials · kubernetes/minikube
Exploring Kubernetes with Minikube » ADMIN Magazine

curl -Lo minikube https://storage.googleapis.com/minikube/releases/$(curl -s https://api.github.com/repos/kubernetes/minikube/releases/latest | grep tag_name | cut -d '"' -f 4)/minikube-linux-amd64
chmod +x ./minikube
sudo mv ./minikube /usr/local/bin/minikube

minikube start --vm-driver=none
kubectl run hello-minikube --image=gcr.io/google_containers/echoserver:1.4 --port=8080
kubectl expose deployment hello-minikube --type=NodePort
kubectl get pod

curl $(minikube service hello-minikube --url)

kubectl delete deployment hello-minikube
minikube stop

# istio exsample
minikube start \
 --extra-config=controller-manager.ClusterSigningCertFile="/var/lib/localkube/certs/ca.crt" \
 --extra-config=controller-manager.ClusterSigningKeyFile="/var/lib/localkube/certs/ca.key" \
 --extra-config=apiserver.Admission.PluginNames=NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,DefaultStorageClass,DefaultTolerationSeconds,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota \
 --kubernetes-version=v1.9.0

kops

kubernetes/kops: Kubernetes Operations (kops) - Production Grade K8s Installation, Upgrades, and Management create production-grade, highly available, Kubernetes clusters on cloud

kops will create the following resources:

S3 bucket for cluster state
IAM role for cluster management
EC2 instances
EBS volumes for etcd
load balancer
auto scaling group and launch config

aws-samples/aws-workshop-for-kubernetes: AWS Workshop for Kubernetes
Manage Kubernetes Clusters on AWS Using Kops | AWS Compute Blog
Installing Kubernetes on AWS with kops
What is Kops? Kubernetes Operations with Kops - Cloud Academy Blog
Create a High-Availability Kubernetes Cluster on AWS with Kops
Creating Kubernetes Clusters on AWS using KOPS - Opcito Technologies

wget -O kops https://github.com/kubernetes/kops/releases/download/$(curl -s https://api.github.com/repos/kubernetes/kops/releases/latest | grep tag_name | cut -d '"' -f 4)/kops-linux-amd64
chmod +x ./kops
sudo mv ./kops /usr/local/bin/

kops version

# create cluster specification only
kops create cluster <clustername>
# create/update cloud resources, will update kubecfg settings
kops update cluster <clustername> --yes
# create specification and cloud resources in one go
kops create cluster <clustername> --yes

kops edit cluster <clustername> [flags]
kops edit instancegroup [flags]

kops get clusters
kops delete cluster

# to reuse a existing kops cluster
export KOPS_STATE_STORE=s3://<somes3bucket>
# NAME=<kubernetes.mydomain.com>
kops export kubecfg ${NAME}

kops import cluster --name ${NAME} --region ${AWS_REGION}

docs/README.md at master · kubernetes/kops
docs/cli/kops.md at master · kubernetes/kops
01-path-basics/102-your-first-cluster/instance-groups/readme.adoc at master · aws-samples/aws-workshop-for-kubernetes

Use Weave Mesh gossip protocol (with .k8s.local domain) without the need to setup DNS
Build a terraform model: --target=terraform The terraform model will be built in out/terraform
Build a Cloudformation model: --target=cloudformation The Cloudformation json file will be built in 'out/cloudformation'
Specify the k8s build to run: --kubernetes-version=1.2.2
Run nodes in multiple zones: --zones=us-east-1b,us-east-1c,us-east-1d
Run with a HA master: --master-zones=us-east-1b,us-east-1c,us-east-1d
one master node per zone
Specify the number of nodes: --node-count=4
Specify the node size: --node-size=m4.large
Specify the master size: --master-size=m4.large
Override the default DNS zone: --dns-zone=<my.hosted.zone>

Shell

jonmosco/kube-ps1: Kubernetes prompt info for bash and zsh
c-bata/kube-prompt: An interactive kubernetes client featuring auto-complete using go-prompt.
cloudnativelabs/kube-shell: Kubernetes shell: An integrated shell for working with the Kubernetes

Virtual Kubernetes

Loft Labs introduces and open sources virtual Kubernetes clusters - TechRepublic

kn

mhausenblas/kn: A collection of shell functions for Kubernetes native dabbling
Meet kn—a Kubernetes native experience – Hacker Noon

Gravity

Securely Run Your Applications In Any Environment | Gravity | Gravitational Gravity, package K8s stack as app
Gravity 5.5 gives superpowers to Helm: package Kubernetes apps as self-contained tarballs
Gravity: Distributed Application Delivery with Ev Kontsevoy - Software Engineering Daily

Rig.dev

Rig.dev | The open-source application platform for Kubernetes
Introducing Rig.dev: An open-source application platform for Kubernetes - DEV Community

Management

DRY Kubernetes – Jerry Jackson – Medium
Growing Pains: Overcoming Kubernetes' 'Day 2' Challenges - The New Stack
How the U.S. Air Force Deployed Kubernetes and Istio on an F-16 in 45 days - The New Stack

Draft vs Gitkube vs Helm vs Ksonnet vs Metaparticle vs Skaffold
Draft vs. Skaffold: Developing on Kubernetes - DZone Cloud
The ultimate guide for local development on Kubernetes: Draft vs Skaffold vs Garden.io - Codefresh

Simplifying how you define Kubernetes artifacts previously Opencompose, Docker Compose for Kubernetes
kedgeproject/kedge: Kedge : Simple, Concise & Declarative Kubernetes Applications

Kubernetes + Compose = Kompose
Translate a Docker Compose File to Kubernetes Resources | Kubernetes

Koki Short
koki/short: Manageable Kubernetes manifests through a composable, reusable syntax

K9s - Manage Your Kubernetes Clusters In Style

kontena/mortar: The manifest shooter for Kubernetes less complex than Helm

Pimp my Kubernetes Shell – ITNEXT

Kubernetes configuration patterns, Part 1: Patterns for Kubernetes primitives - Red Hat Developer

Introducing kustomize; Template-free Configuration Customization for Kubernetes - Kubernetes
kubernetes-sigs/kustomize: Customization of kubernetes YAML configurations
integrated into kubeadm (experimental in 1.16)

kubectl

kubectl Cheat Sheet
Kubectl Cheat Sheet - Kubernetes Commands — A Cloud Guru
Overview of kubectl - Kubernetes
How does 'kubectl exec' work? · Erkan Erol

Extend kubectl with plugins - Kubernetes stable in 1.14
Boosting your kubectl productivity ♦︎ Learnk8s
Pimp my Kubernetes Shell – ITNEXT
How to set up a serious Kubernetes terminal
GoogleContainerTools/krew: 📦 Package manager for "kubectl plugins"
ahmetb/kubectx: Switch faster between clusters and namespaces in kubectl

kubecfg settings are stored in ~/.kube.

curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
chmod +x ./kubectl
sudo mv ./kubectl /usr/local/bin/kubectl

kubectl version

# create dashboard in kube-system namespace
kubectl create -f https://git.io/kube-dashboard
kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/master/src/deploy/recommended/kubernetes-dashboard.yaml
kubectl proxy  # http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/

kubectl create -f https://git.io/weave-kube-1.6 # install Weave CNI plugin
kubectl apply -f https://raw.githubusercontent.com/kubernetes/kops/master/addons/prometheus-operator/v0.19.0.yaml

kubectl cluster-info
kubectl get nodes

kubectl get pods  # all pods
kubectl get pods [pod name]  # filter by pod name
kubectl get pods --namespace kube-system
kubectl get svc  # all services
kubectl api-versions  # list supported API versions

kubectl run <name> --image=image
kubectl run helloworld --image=k8s.gcr.io/echoserver:1.4 --port=8080 --expose=true

kubectl expose deployment helloworld --type=NodePort  # create service
kubectl expose <type name> <identifier/name> [--port=external port] [--target-port=container-port [--type=service-type]  # expose deployment, type=NodePort
kubectl port-forward <pod name> [LOCAL_PORT:]REMOTE_PORT]  # local reverse proxy for remote service

kubectl attach <pod name> -c <container>  # docker attach
kubectl exec [-it] <pod name> [-c CONTAINER] -- COMMAND [args…]  # docker exec
kubectl label [--overwrite] <type> KEY_1=VAL_1 …

Sample configs:
wardviaene/kubernetes-course: Kubernetes Course Files
wardviaene/advanced-kubernetes-course: Course files for the Advanced Kubernetes Usage course

Helm

Helm - The Kubernetes Package Manager
Deploying Kubernetes applications with Helm - Cloud Academy Blog
What is Helm and why you should love it? | IT Svit Blog

Helm Deployments - kubedex.com Helm and other chart managers
alexellis/arkade: Open Source Kubernetes Marketplace

Breaking Changes in Helm 3 (and How to Fix Them) - ITNEXT

The Chart Best Practices Guide | Docs
HELM Best practices · Codefresh | Docs

{ Zero to Helm }. An article series of 1-hour “bytes” for… | by Stephen Rodriguez | Feb, 2021 | Medium
Kubeapps, deploy your applications in Kubernetes Helm app dashboard
Top 10 Helm Charts for Kubernetes - kubedex.com
Beginners Guide to Helm - kubedex.com
How to make a Helm chart in 10 minutes | Opensource.com
Helm Chart Prometheus Exporter - kubedex.com ❗!important
Deploying apps on multiple Kubernetes clusters with Helm
Why I no longer use Terraform for Templating Kubernetes

The How and Why Behind Tiller-less Helm – Official TenX Blog

Building Helm Charts From the Ground Up: An Introduction to Kubernetes [I] - Amy Chen, Heptio - YouTube
Delve into Helm: Advanced DevOps [I] - Lachlan Evenson & Adam Reese, Deis - YouTube

Deploying your Applications in a Repeatable Way on Kubernetes - YouTube slides

Werf

Giterministic CLI tool | werf
werf vs. Helm: Should you even compare them? – Flant blog

Appsody

Appsody provides pre-configured stacks and templates for popular open source runtimes and frameworks, which developers can use to build applications for Kubernetes and Knative deployments

Appsody - Compose a Cloud Native Masterpiece
Appsody – Medium

Flagger

Flagger | A Progressive Delivery Kubernetes Operator
Automated Canary Management to Kubernetes with Flagger, Istio and GitOps Pipelines

Draft

Draft | Streamlined Kubernetes Development

Metaparticle

Metaparticle.io

Blue8s

Deploying and managing stateful applications on Kubernetes

BlueData Announces BlueK8s Open Source Kubernetes Initiative | BlueData
Operation: Stateful. Introducing BlueK8s and Kubernetes Director | BlueData
FOSS Project Spotlight: BlueK8s | Linux Journal

Home · bluek8s/kubedirector Wiki
bluek8s/kubedirector: Kubernetes Director (aka KubeDirector) for deploying and managing stateful applications on Kubernetes
Kubernetes.io Blog: KubeDirector: The easy way to run complex stateful applications on Kubernetes - General Discussions - Discuss Kubernetes
Operation: Stateful. Introducing BlueK8s and Kubernetes Director

Brigade

Brigade | Event-driven scripting for Kubernetes.
Azure/brigade: Event-based Scripting for Kubernetes.
Azure/kashti: Kashti is a dashboard for your Brigade pipelines.

Build your own serverless platform in Kubernetes with Brigade | InfoWorld
Brigade: Scripting Container Workflows on Kubernetes - Cloud Native Computing Foundation

Skaffold

Skaffold
GoogleContainerTools/skaffold: Easy and Repeatable Kubernetes Development
Fast Kubernetes Development with File Sync and Smart Rebuilds
Intro to Skaffold for easy Kubernetes development - Flant - Medium

Tanka

Introduction | Tanka
Spiritual successor of ksonnet, also uses jsonnet underneath

Introducing Tanka, Our Way of Deploying to Kubernetes | Grafana Labs
grafana/tanka: Flexible, reusable and concise configuration for Kubernetes

ksonnet

warning: sunsetted in 2019-02

Home ⋅ ksonnet

ksonnet/kubecfg: A tool for managing complex enterprise Kubernetes environments as code.

Heptio Comes Out of Stealth Mode with a Kubernetes Configuration Tool, ksonnet - The New Stack
ksonnet: Simplify working with Kubernetes configurations
The Next Chapter for ksonnet – Heptio

Super quick view at ksonnet – Alberto García L. – Medium
YAML is for Computers. ksonnet is for Humans - Bryan Liles, Heptio (Any Skill Level) - YouTube

Logs

wercker/stern: ⎈ Multi pod and container log tailing for Kubernetes
boz/kail: kubernetes log viewer
Ultimate Kubernetes Infrastructure Monitoring — Metrics + Logs
Get Kubernetes Cluster Metrics with Prometheus in 5 Minutes
Get Kubernetes Logs with EFK Stack in 5 Minutes
Kubernetes Logging 101
Logs in Kubernetes: expectations vs reality - Flant - Medium
Measuring the performance of a logging subsystem in Kubernetes · Banzai Cloud

Others

10 open-source Kubernetes tools for highly effective SRE and Ops Teams
12 tools that make Kubernetes easier | InfoWorld
The 12 Days of Kubernetes (Tools) - Instana

kubernetes/dashboard: General-purpose web UI for Kubernetes clusters
Alternative Kubernetes Dashboards - Octopus Deploy

Dynamic Kubernetes Informers | FireHydrant

Forge - Fast build system for Kubernetes services

derailed/popeye: 🧭 A Kubernetes cluster resource sanitizer

bloomberg/goldpinger: Debugging tool for Kubernetes which tests and displays connectivity between nodes in the cluster.

Using Kubernetes Ephemeral Containers for Troubleshooting

see container-ecosystem.md#FAAS

Virtual Kubelet

Kubernetes and the Return of the Virtual Machines - The New Stack

KubeVirt.io
kubevirt/kubevirt: Kubernetes Virtualization API and runtime in order to define and manage virtual machines.
KubeVirt: Extending Kubernetes with CRDs for Virtualized Workloads - Kubernetes

virtual-kubelet/virtual-kubelet: Virtual Kubelet is an open source Kubernetes kubelet implementation.
Kubelet interface to call external services

Krustlet

run WebAssembly on Kubernetes

Krustlet
krustlet/krustlet: Kubernetes Rust Kubelet
WebAssembly meets Kubernetes with Krustlet - Open Source Blog
Kubernetes meets WebAssembly in Microsoft’s Krustlet | InfoWorld
Introducing Krustlet, the WebAssembly Kubelet - Deis Labs
@adlrocha - Can WASM become the new Docker?
Containerless! How to Run WebAssembly Workloads on Kubernetes with Rust | Okta Developer

HyperContainer

hyperhq/hyperd: HyperContainer Daemon

Virtlet

Virtlet: run VMs as Kubernetes pods | Mirantis

gVisor

google/gvisor: Container Runtime Sandbox

Google Cloud Platform Blog: Open-sourcing gVisor, a sandboxed container runtime
Interview: Google gVisor and the Challenge of Securing Multitenant Containers - The New Stack
gVisor: Building and Battle Testing a Userspace OS in Go
Sandboxing Docker with Google’s gVisor – zwischenzugs

Security

kubesec.io :: kubesec.io

Authenticating - Kubernetes
Authorization Overview - Kubernetes
Using RBAC Authorization - Kubernetes
Using ABAC Authorization - Kubernetes
5 Kubernetes RBAC Mistakes You Must Avoid | StackRox

Kubernetes hardening: Drilling down on the NSA/CISA guidance | CSO Online
How to Secure Your Kubernetes Clusters With Best Practices - DEV Community

Kubernetes Identity Management: Authentication | Linux Journal
Service Accounts have token without expiration. They should not be leaked or used by application.
User Accounts are authenticated and maintained by external identity provider, e.g. OpenID Connect server. Kubernetes API server only validates the JWT and enforces it. kubectl knows OAuth and will refresh the token, the server will not get hold of the refresh token.

Demystifying RBAC in Kubernetes - Cloud Native Computing Foundation
Testing Kubernetes RBAC – YLD Blog – Medium
RBAC | Helm

Falco the de facto Kubernetes threat detection engine

freach/kubernetes-security-best-practice: Kubernetes Security - Best Practice Guide
11 Ways (Not) to Get Hacked - Kubernetes
9 Kubernetes Security Best Practices Everyone Must Follow - Cloud Native Computing Foundation
7 container security tools to lock down Docker and Kubernetes | InfoWorld

Single Sign-On for Kubernetes: An Introduction - The New Stack
Single Sign-On for Kubernetes: The Command Line Experience - The New Stack
Managing Access to All Your Clusters at Scale – The New Stack

Extended authorization model/

enforces policies beyond RBAC

policy-management#OPA on Kubernetes

A Practical Guide to Setting Kubernetes Requests and Limits - Home

PotCtl
Kubernetes Extended Authentication Model
Kubernetes Policies

Image scan

Kube-hunter by Aqua
aquasecurity/kube-hunter: Hunt for security weaknesses in Kubernetes clusters
Kube-hunter - an open source tool for Kubernetes penetration testing

Configuration

Configure a Pod to Use a ConfigMap - Kubernetes

Configuration - Kubernetes

Polaris | Kubernetes Deployment Strategy | Fairwinds
Fairwinds Polaris 1.0 - Best Practices for Kubernetes Workloads

Secrets

Secrets - Kubernetes
Painless migration of existing Helm's Tiller setup to Kubernetes Secrets - DEV Community 👩‍💻👨‍💻
Effective Secrets with Vault and Kubernetes – ITNEXT
Make Kubernetes more secure with HashiCorp Vault - My personal blog - Björn Wenzel

Soluto/kamus: A## Testing
n open source, git-ops, zero-trust secret encryption and decryption solution for Kubernetes applications
Can Kubernetes Keep a Secret? It all depends what tool you’re using

Vault and Secret Management in Kubernetes [I] - Armon Dadgar, HashiCorp - YouTube

Testing

Kubernetes End-to-end Testing for Everyone - Kubernetes

Automated Testing for Kubernetes and Helm Charts using Terratest
gruntwork-io/terratest: Terratest is a Go library that makes it easier to write automated tests for your infrastructure code.

sverrirab/kube-test-container: Kubernetes Test Container

Heptio

VMWare acquisition affects Heptio's open source projects
Heptio org will be closing, projects moved to VMWare Tanzu

Open Source in VMware Tanzu

Welcoming Heptio Open Source Projects to VMware - Cloud Native Apps

An Interview with Heptio, the Kubernetes Pioneers | Linux Journal
VMware Tanzu Portfolio | VMware Tanzu
VMware Tanzu

Quick Start for Kubernetes by Heptio heptio/aws-quickstart

These are moved to Tanzu:

Sonobuoy to ensure proper configuration of Kubernetes clusters.
Velero (formerly Ark) for disaster recovery and cluster migration.
Octant for better understanding of Kubernetes clusters

These formed new projects:

Contour as a more modern ingress framework for Kubernetes.
Gimbal for managing multi-cluster ingress across OpenStack and Kubernetes.
Ksonnet for describing your application to deploy to a Kubernetes cluster.

Service Catalog

Documentation | Service Catalog - Kubernetes
Service Catalog - Kubernetes
kubernetes-incubator/service-catalog: Consume services in Kubernetes using the Open Service Broker API

kubedex.com - Discover and share new Kubernetes applications

Service Catalog implements this API: Open Service Broker

Agones

Agones Dedicated Game Server Hosting and Scaling for Multiplayer Games on Kubernetes
GoogleCloudPlatform/agones

FLOSS 571: Agones - TWiT Shows / FLOSS Weekly - TWiT.Community

Internals

Components and defaults
Provisioning: SaltStack (internal)
Service registry: Etcd
Monitoring?: heapster, node-problem-detector, Prometheus?
Volume driver: CSI
Network: kubenet (bridge mode)
DNS: kubedns
Scheduler: Kubernetes scheduler

Kubernetes run with 5 services: