如果有Kibana的话，以下所有操作都可以在Kibana的DevTools页面进行调试，可以免去认证操作。

Kibana调试查看索引接口

接口 功能
/_cat/health?v 集群健康状态
/_cat/shards 分片信息
/_cat/nodes 节点信息
/_cat/indices 索引信息

?v 是详细信息输出

删除索引

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curl -u elastic:xlFnyMMyZiqjkzLIV5Kd -s -XDELETE 192.168.13.127:9200/索引名字

索引名字可以通过查看索引接口查看

修改密码

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curl -H "Content-Type:application/json" -XPOST -u elastic:xlFnyMMyZiqjkzLIV5Kd 'http://127.0.0.1:9200/_xpack/security/user/elastic/_password' -d '{ "password" : "123456" }'

添加角色

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curl -XPOST -H 'Content-type: application/json' -u elastic:xlFnyMMyZiqjkzLIV5Kd 'http://10.163.19.231:9600/_xpack/security/role/admin?pretty' -d '{
"run_as":["elastic"],
"cluster":["all"],
"indices":[
 {
  "names":["*"],
  "privileges":["all"]
 }
]
}'

查看角色

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curl -XGET -H 'Content-type: application/json' -u elastic:xlFnyMMyZiqjkzLIV5Kd 'http://10.163.19.231:9600/_xpack/security/role/admin?pretty'

允许自动创建索引

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curl -XPUT -H "Content-Type:application/json" -u "admin:8zQq0F2ljEFlw2Rt" https://10.184.127.192:9200/_cluster/settings -d '{"persistent":{"action.auto_create_index":"true"}}' -k

查看设置

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curl -XGET -u "admin:8zQq0F2ljEFlw2Rt" https://10.184.127.192:9200/_cluster/settings -k

修改设置

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curl -u elastic:n9TQmAu3Ws4huJRmAVDq 10.252.4.90:9200/_cluster/settings -X PUT -H "Content-Type: application/json" -d '{
  "persistent" : {
    "cluster" : {
      "max_shards_per_node" : "900000"
    },
    "indices" : {
      "breaker" : {
        "total" : {
          "limit" : "95%"
        }
      }
    },
    "xpack" : {
      "monitoring" : {
        "collection" : {
          "enabled" : "true"
        }
      }
    }
  }

}'

修改单个node最大分片数

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# es 支持永久修改配置与临时修改配置, 如果想要临时修改:  "transient" : {"cluster" : {"max_shards_per_node" : "900000"}}
curl -X PUT localhost:9200/_cluster/settings -H "Content-Type: application/json" -d '{ "persistent": { "cluster.max_shards_per_node": "3000" } }'

# 查看未分配的分片数
curl -XGET http://localhost:9200/_cluster/health\?pretty | grep unassigned_shards