ElasticSearch的安装与简单配置

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一、启动单节点

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bin/elasticsearch -E node.name=node0 -E cluster.name=elastic -E path.data=node0_data

二、安装插件

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bin/elasticsearch-plugin install analysis-icu

三、 查看插件

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bin/elasticsearch-plugin install analysis-icu

四、查看安装的插件

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GET http://localhost:9200/_cat/plugins?v

五、启动多节点

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bin/elasticsearch -E node.name=node0 -E cluster.name=elastic -E path.data=node0_data
bin/elasticsearch -E node.name=node1 -E cluster.name=elastic -E path.data=node1_data
bin/elasticsearch -E node.name=node2 -E cluster.name=elastic -E path.data=node2_data
bin/elasticsearch -E node.name=node3 -E cluster.name=elastic -E path.data=node3_data

六、查看集群

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GET http://localhost:9200

七、查看nodes

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GET _cat/nodes
GET _cluster/health

八、添加访问密码

  1. 编辑elasticsearch.yml

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    network.host: 0.0.0.0
http.port: 9200
discovery.seed_hosts: ["0.0.0.0"]
cluster.initial_master_nodes: ["node-1"]
   
xpack.security.enabled: true
xpack.license.self_generated.type: basic
xpack.security.transport.ssl.enabled: true

  2. 设置es密码

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    ./elasticsearch-setup-passwords interactive

    按照提示设置密码即可