Dec 22 14:50:27 master49 kubelet: F1222 14:50:27.123073   30898 server.go:274] failed to run Kubelet: failed to get docker version: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?Dec 22 14:50:27 master49 systemd: Unit kubelet.service entered failed state.Dec 22 14:50:27 master49 systemd: kubelet.service failed.^C[root@master49 ~]# docker infoClient: Context:    default Debug Mode: false Plugins:  app: Docker App (Docker Inc., v0.9.1-beta3)  buildx: Build with BuildKit (Docker Inc., v0.5.0-docker)Server:ERROR: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?errors pretty printing info[root@master49 ~]# service docker restartRedirecting to /bin/systemctl restart docker.service[root@master49 ~]# docker psCONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES[root@master49 ~]# systemctl daemon-reload[root@master49 ~]# service docker restartRedirecting to /bin/systemctl restart docker.service[root@master49 ~]# kubectl get nodeNAME       STATUS   ROLES    AGE   VERSIONmaster49   Ready    master   28h   v1.18.2master50   Ready    master   28h   v1.18.2master56   Ready    master   28h   v1.18.2node52     Ready    <none>   28h   v1.18.2node53     Ready    <none>   28h   v1.18.2
我是批改过 /etc/docker/daemon.json 而后改好后呈现的问题