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YoussF · Mar 5, 2020 · 4e8617e · 4e8617e
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diff --git a/Kubernetes/Kubernetes.md b/Kubernetes/Kubernetes.md
@@ -12,7 +12,10 @@ Kubernetes (k8s) is an open-source system for automating deployments, scaling an
 - [Advantages of kubernetes](#Advantages-of-kubernetes)
 - [Key Kubernetes Benefits](#Key-Kubernetes-Benefits)
 - [Developer Use Cases](#Developer-Use-Cases)
-- A numbered
+- [Some Kubectl commands](#Some-Kubectl-commands)
+- [WEB UI Dashboard](#WEB-UI-Dashboard)
+- [Ecosystem toolset](#Ecosystem-toolset)
+- [Quick links](#Quick-links)
 </details>
 
 
@@ -112,7 +115,10 @@ kubectl patch
 ```
 3. Visit the ddashboard URL and login using the token
 
-## Quick Links
+## Ecosystem toolsets
+- [**Prometheus**](https://prometheus.io/docs/introduction/overview/) is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Prometheus joined the Cloud Native Computing Foundation in 2016 as the second hosted project, after Kubernetes.
+## Quick links
+
 [Minikube](https://github.com/kubernetes/minikube)
 [Docker Desktop](https://www.docker.com/products/docker-desktop)
 [Kubernetes in Docker (Kind)](https://kind.sigs.k8s.io)

diff --git a/Kubernetes/Operators.md b/Kubernetes/Operators.md
@@ -1,9 +1,13 @@
 ## Kubernetes Operators
+In this article we are going to **learn** the concepts, then we'll **code** the implementation, then **try it out** against an actual cluster. We also take a look at Scaffold Design, Type, Behavior and launching.
 
-What's an Operator ?
+### First, What's an Operator ?
 
 A **Controller** is a loop that reads desired state ("spec"), observed cluser state, and external state, and reconciles the cluster state with the desired state.
 
-An **Operator** is a controller that encodes human operational knowledge. How do i run and manage s specific piece of complex software.
+An **Operator** is a controller that encodes human operational knowledge. How do i run and manage a specific piece of complex software. All operators are controllers; but not all controllers are operators.
 
-All operators are controllers; but not all controllers are operators.
+### What is KubeBuilder ?
+**KubeBuilder** is a set of tooling and opinions about how to structure custom controller and operators build on top of "controller-runtime" and "controller-tools"
+**controller-runtime** wich conntains libraries for building the controller part of your operator, and...
+**controller-tools** which contains tools for generating CustomResourceDefinitions, etc for you operator.