我已经在 RHEL7 上安装了 ES 7.5 和 Kibana 7.5，但是在启动 Kibana 并检查 UI 后，我看到错误，“Kibana 服务器尚未准备好。”
检查 Kibana 日志，我发现它没有正确连接到 ES。任何帮助表示赞赏！
这是journalctl --unit kibana的输出：
Dec 11 10:03:05 mcjca033031 systemd[1]: kibana.service holdoff time over, scheduling restart.
Dec 11 10:03:05 mcjca033031 systemd[1]: Started Kibana.
Dec 11 10:03:05 mcjca033031 systemd[1]: Starting Kibana...
Dec 11 10:03:08 mcjca033031 kibana[5320]: {"type":"log","@timestamp":"2019-12-11T15:03:08Z","tags":["info","plugins-system"],"pid":5320,"message":"Setting up [15] plugins: [security,licensing,code,timelion,features,spaces,translation
Dec 11 10:03:08 mcjca033031 kibana[5320]: {"type":"log","@timestamp":"2019-12-11T15:03:08Z","tags":["info","plugins","security"],"pid":5320,"message":"Setting up plugin"}
Dec 11 10:03:08 mcjca033031 kibana[5320]: {"type":"log","@timestamp":"2019-12-11T15:03:08Z","tags":["warning","plugins","security","config"],"pid":5320,"message":"Generating a random key for xpack.security.encryptionKey. To prevent s
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