The equality-based selector can specify equal or not equal, and also uses commas to add more criteria. Use the -l or --selector option to specify these criteria to filter the name of the object; for example:

•  Query Pods which belong to the pilot project:

$ kubectl get pods -l "project=pilot"
NAME READY STATUS RESTARTS AGE
pilot.dev.memcached 1/1 Running 0 21m
pilot.dev.nginx 1/1 Running 0 21m
pilot.prod.memcached 1/1 Running 0 21m
pilot.prod.nginx 1/1 Running 0 21m

• Query Pods which belong to the frontend tier:

$ kubectl get pods -l "tier=frontend"
NAME READY STATUS RESTARTS AGE
pilot.dev.nginx 1/1 Running 0 21m
pilot.prod.nginx 1/1 Running 0 21m
poc.dev.httpd 1/1 Running 0 21m

• Query Pods which belong to the frontend tier AND the under develop environment:

$ kubectl get pods -l "tier=frontend,environment=develop"
NAME READY STATUS RESTARTS AGE
pilot.dev.nginx 1/1 Running 0 22m
poc.dev.httpd 1/1 Running 0 21m

• Query Pods which belong to the frontend tier and NOT the under develop environment:

$ kubectl get pods -l "tier=frontend,environment!=develop"
NAME READY STATUS RESTARTS AGE
pilot.prod.nginx 1/1 Running 0 29m