How to create kubectl alias (optional):
alias k=kubectl
Get Nodes metrics:
k get pods --selector app=app1
Add a Label on a POD:
apiVersion: v1
kind: Pod
metadata:
name: nginx-pod
labels:
app: app1
spec:
replicas: 1
selector:
matchLabels:
app: app1
template:
metadata:
labels:
app: app1
spec:
containers:
- image: nginx
name: nginx-container
Get all objects with an label:
k get all --selector env=prod -A
Get all objects with more then one label:k get pod --selector env=prod,type=nginx,node=worker1