看系统日志cat /var/log/messages用kubectl 查看日志# 注意：使用Kubelet describe 查看日志，一定要带上 命名空间，否则会报如下错误[root@node2 ~]# kubectl describe pod coredns-6c65fc5cbb-8ntpvError from server (NotFound): pods "coredns-6c65fc5cbb-8ntpv" not foundkubectl describe pod kubernetes-dashboard-849cd79b75-s2snt --namespace kube-systemkubectl logs -f pods/monitoring-influxdb-fc8f8d5cd-dbs7d -n kube-systemkubectl logs --tail 200 -f kube-apiserver -n kube-system |morekubectl logs --tail 200 -f podname用journalctl查看日志非常管用journalctl -u kube-schedulerjournalctl -xefu kubeletjournalctl -u kube-apiserverjournalctl -u kubelet |tailjournalctl -xe用docker查看日志docker logs c36c56e4cfa3  (容器id)