Admin Notebook: How to be quick with kubectl 1.19 [CKA]

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Kubernetes admin has to work on multiple things in parallel. Growing popularity on Kubernetes will force you sooner or later to become a ninja quick. In my opinion working with Imperative commands will help you out performing simple task quickly. Examples are as follows:

POD:

kubectl run nginx --image=nginx:latest --restart=Always --dry-run=client
# running command
kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c "sleep 3600" --dry-run=client
# resources
kubectl run busybox-pod --image=busybox --requests \ "cpu=500m,memory=1024Mi" --limits "cpu=500m,memory=1024Mi"  \
--dry-run=client -o yaml
# labels
kubectl run redis  --image=redis:alpine -l tier=db
# Deleting forcefully
kubectl delete pod busybox-pod--grace-period=0 --force

Service:

# expose pod
kubectl expose pod nginx --port=80 --name nginx-service --type=NodePort --dry-run=client -o yaml
# create service
kubectl create service clusterip redis --tcp=6379:6379 --dry-run=client -o yaml

Deployment

# creating deployment
kubectl create deploy nginx-dep --image=nginx:1.16 

# image rollout
kubectl set image…