Contents:
实时打印kube-system命名空间里 monitoring-influxdb-848b9b66f6-fwskn pod的日志
[alvin@k8s1 ~]$ kubectl logs -f monitoring-influxdb-848b9b66f6-fwskn -n kube-system
从最后20行开始打印
[alvin@k8s1 ~]$ kubectl logs -f --tail=20 monitoring-influxdb-848b9b66f6-fwskn -n kube-system