https://github.com/kgoksal/k8s-cheat-sheet

K8S Cheat Sheet
https://github.com/kgoksal/k8s-cheat-sheet

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K8S Cheat Sheet

• Host: GitHub
• URL: https://github.com/kgoksal/k8s-cheat-sheet
• Owner: KGoksal
• Created: 2024-07-29T15:09:57.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-08-09T00:47:47.000Z (5 months ago)
• Last Synced: 2024-08-09T02:14:30.361Z (5 months ago)
• Size: 16.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# CLUSTER MANAGEMENT

### 1. Display endpoint details for the cluster’s master and services.

**$ kubectl cluster-info**

### 2. Show the Kubernetes version that is active on

the server and client

**$ kubectl version**

### 3. Get the cluster’s configuration

**$ kubectl config view**

### 4. List the available API resources

**$ kubectl api-resources**

### 5. List everything

**$ kubectl get all --all-namespaces** / kubectl get all -A

# NODE MANAGEMENT 

### 1. List the nodes

**$ kubectl get node**

### 2. Update the taints on nodes

**$ kubectl taint node **

### 3. Delete a node

**$ kubectl delete node **

# POD MANAGEMENT

### 1. List pods

**$ kubectl get pod**

### 2. Delete a pod

**$ kubectl delete pod **

### 3. See detailed state of a pods

**$ kubectl describe pod **

### 4. Create a pod

**$ kubectl create pod **

### 5. Run a command for a container inside a pod

**$ kubectl exec  -c  **

### 6. Get interactive shell on a pod

**$ kubectl exec -it  /bin/sh**

### 7. See resource usage (CPU/Memory/Storage) for pods

**$ kubectl top pod**

### 8. Add/update the annotations of a pod

$ kubectl annotate pod  

### 9. Add/update the label of a pod

$ kubectl label pod 

### 10. View the list of replication controllers

$ kubectl get rc

### 11. View the list of replication controllers by

namespace

$ kubectl get rc --namespace=””

### 12. Scale a ReplicaSet

$ kubectl scale --replicas=

replicaset 

# DEPLOYMENT MANAGEMENT

### 1. List the deployments

$ kubectl get deployment

### 2. Show the precise status of single or multiple

deployments.

$ kubectl describe deployment 

### 3. Edit and update the deployment.

$ kubectl edit deployment 

### 4. Create a new deployment

$ kubectl create deployment 

### 5. Delete a deployment

$ kubectl delete deployment 

### 6.Check the rollout status of a deployment

$ kubectl rollout status deployment

### 7. Display Resource usage (CPU/Memory/Storage)

for nodes

$ kubectl top node

### 8. See resource allocation per node

$ kubectl describe nodes | grep Allocated -A 5

### 9.List the pods running on a node

$ kubectl get pods -o wide | grep 

### 10. To annotate a node

$ kubectl annotate node 

### 11. Add or update the labels of a node

$ kubectl label nodes  

### 12. Scale a Deployment

$ kubectl scale deployment  --

replicas=

# SECRETS

### 1. Create a secret

$ kubectl create secret 

### 2. List secrets

$ kubectl get secrets

### 3. View details about secrets

$ kubectl describe secrets 

### 4. Delete a secret

$ kubectl delete secret 

# SERVICES

### 1. List the services

**$ kubectl get services**

### 2. View the detailed state of a service

**$ kubectl describe services **

### 3. Expose a replication controller, deployment or pod as a new Kubernetes service

**$ kubectl expose deployment [deployment_name]**

### 4. Edit/update the definition of a service

**$ kubectl edit service **

# COMMON OPTIONAL FLAGS

### 1. –o Format of output. (Suppose you wanted to list all of the pods in ps output format with additional information.)

**$ kubectl get pods -o wide**

### 2. Create any resource(pod/replicaset/deployment, etc) using a yaml/json file.

**$ kubectl apply -f **

### 3. dry run:

**$ kubectl apply -f  --dry-run=client**

### 3. dry run + yaml format: 

**$ kubectl apply -f  --dry-run=client -o yaml**