updated dashboard

collections/dashboard/solutions/k8s.md

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+<h1> Kubernetes </h1>
+
+<h2>Table of Contents</h2>
+
+- [Introduction](#introduction)
+- [Prerequisites](#prerequisites)
+- [Configs tab](#configs-tab)
+- [Master and Workers tabs](#master-and-workers-tabs)
+- [Kubeconfig](#kubeconfig)
+- [Manage Workers](#manage-workers)
+
+***
+
+## Introduction
+
+Kubernetes is the standard container orchestration tool.
+
+On the TF grid, Kubernetes clusters can be deployed out of the box. We have implemented [K3S](https://k3s.io/), a full-blown Kubernetes offering that uses only half of the memory footprint. It is packaged as a single binary and made more lightweight to run workloads in resource-constrained locations (fits e.g. IoT, edge, ARM workloads).
+
+## Prerequisites
+
+- Make sure you have a [wallet](../wallet_connector.md)
+- From the sidebar click on **Applications**
+- Click on **Kubernetes**
+
+## Configs tab
+
+![ ](./img/solutions_k8s.png)
+
+- `Name`: Your Kubernetes Cluster name.
+- `Cluster Token`: It's used for authentication between your worker nodes and master node. You could use the auto-generated one or type your own.
+
+
+## Master and Workers tabs
+
+![ ](./img/solutions_k8s_master.png)
+![ ](./img/solutions_k8s_workers.png)
+
+> Currently, we only support "single-master-multi-worker" k8s clusters. So you could always add more than one worker node by clicking on the **+** in the ***Worker*** tab.
+
+
+## Kubeconfig
+Once the cluster is ready, you can SSH into the cluster using `ssh root@IP`
+> IP can be the public IP or the planetary network IP
+
+Onced connected via SSH, you can execute commands on the cluster like `kubectl get nodes`, and to get the kubeconfig, you can find it in `/root/.kube/config` 
+
+> if it doesn't exist in `/root/.kube/config` it can be in `/etc/rancher/k3s/k3s.yaml`
+
+example:
+
+```
+root@WR768dbf76:~# cat /root/.kube/config 
+apiVersion: v1
+clusters:
+- cluster:
+    certificate-authority-data: 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
+    server: https://127.0.0.1:6443
+  name: default
+contexts:
+- context:
+    cluster: default
+    user: default
+  name: default
+current-context: default
+kind: Config
+preferences: {}
+users:
+- name: default
+  user:
+    client-certificate-data: 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
+    client-key-data: LS0tLS1CRUdJTiBFQyBQUklWQVRFIEtFWS0tLS0tCk1IY0NBUUVFSURXQURoZUl0RVdHWlFCc0tCSUpZTTZPeDB5TmRHQ1JjTDBTMUtvYjRTZ25vQW9HQ0NxR1NNNDkKQXdFSG9VUURRZ0FFZm5wbDF6MkxhMlRUYmgycWtJSnhEYkF2YnZrQ1E1NENxTkhjSFZJdG8vR2FIeWdlckRFcgpyb1R2bDUzYVI2c2RIWW1saWFYVGcyV1FmNzlIQ0wvVGNBPT0KLS0tLS1FTkQgRUMgUFJJVkFURSBLRVktLS0tLQo=
+root@WR768dbf76:~# 
+
+```
+
+If you want to use kubectl through another machine, you need to change the line `server: https://127.0.0.1:6443` to be `server: https://PLANETARYIP_OR_PUBLICIP/6443`
+replace PLANETARYIP_OR_PUBLICIP with the IP you want to reach th cluster through.
+
+
+## Manage Workers
+Add or Remove workers in any **Kubernetes cluster**.
+
+
+- Kubernetes DeployedList Weblet
+![ ](./img/k8s_dl_1.png)
+
+- Manager kubernetes workers
+![ ](./img/k8s_dl_2.png)
+
+- Add a new worker
+![ ](./img/new_k8s4.png)
+
+- Successfully added new worker
+![ ](./img/k8s_dl_4.png)
+
+- Delete a worker
+![ ](./img/new_k8s5.png)