K8s Objects

Pod

1. kubectl describe pod <pod_name>

   • Tells you status of containers

   • Number of containers

   • Types of containers

   • Logs if containers fails

2. kubectl run <pod_name> --image=<image_name> --dry-run=client -o yaml > file.yaml

   • Create yaml file for the pod

   • We can now implement by using kubectl apply -f file.yaml

3. kubectl get pods -o wide

   • Gives more info about pod like nodes it is running on

Replicaset

1. kubectl edit rs <name-of-replicaset>

   • Lets you edit yaml of already created replicasets

2. kubectl scale rs/<name-of-replicasets> --replicas=<rs-number>

   • Lets you scale thereplicas without going & editing yaml

ReplicaSet commands

• kubectl create -f rs.yaml

• kubectl get replicaset

• kubectl delete rs my-replicaset

• kubectl replace -f replicaset-def.yaml

• kubectl scale rs my-rs --replicas=6

Deployment

kubectl get all - Shows deployment - Shows replicasets - Shows pods