[K8s] 유용한 명령어

사용중인 컨테이너 이미지 리스트 확인

root@k8s-master01:~# kubectl get pods --all-namespaces -o jsonpath="{.items[*].spec.containers[*].image}" |tr -s '[[:space:]]' '\n' |sort | uniq -c
      2 docker.io/library/nginx:1.23.2-alpine
      1 quay.io/calico/kube-controllers:v3.24.5
      5 quay.io/calico/node:v3.24.5
      3 quay.io/coreos/etcd:v3.5.6
      2 registry.k8s.io/coredns/coredns:v1.9.3
      1 registry.k8s.io/cpa/cluster-proportional-autoscaler-amd64:1.8.5
      5 registry.k8s.io/dns/k8s-dns-node-cache:1.21.1
      3 registry.k8s.io/kube-apiserver:v1.25.6
      3 registry.k8s.io/kube-controller-manager:v1.25.6
      5 registry.k8s.io/kube-proxy:v1.25.6
      3 registry.k8s.io/kube-scheduler:v1.25.6

 

 

이벤트 정렬

root@k8s-master01:~# kubectl -n kube-system get event --sort-by='lastTimestamp'