kubemaster安装报错 dial tcp 127.0.0.1:2379: connect: connection refused

#报错如下

cluster may be unhealthy: failed to list members
Error:  client: etcd cluster is unavailable or misconfigured; error #0: dial tcp 127.0.0.1:4001: connect: connection refused
; error #1: dial tcp 127.0.0.1:2379: connect: connection refused

error #0: dial tcp 127.0.0.1:4001: connect: connection refused
error #1: dial tcp 127.0.0.1:2379: connect: connection refused

#安装etcd ,并启动

yum install etcd

service etcd start

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