ElasticSearch

文档地址：https://www.elastic.co/guide/index.html 安装文档：https://www.elastic.co/guide/en/elasticsearch/reference/7.17/rpm.html#rpm-repo 版本：7.17

步骤： - yum 安装，参考安装文档 - 主目录: /usr/share/elasticsearch/ - 配置文件: /etc/elasticsearch/ - 修改配置 - 配置文件：/etc/elasticsearch/elasticsearch.yml - 修改 elasticsearch.yml, 添加 discovery.type: single-node - 原版有，暂时未做： - security-setting: https://www.elastic.co/guide/en/elasticsearch/reference/7.15/security-minimal-setup.html - 启动

# ElasticSearch
systemctl start elasticsearch

# 查看es状态
systemctl status elasticsearch

# 设置开机自启动
systemctl enable elasticsearch

• 检查 es 正常运行（默认9200端口）

curl -X GET "localhost:9200/?pretty"
{
  "name" : "iZbp1ffa3kioqfs1mtjoqqZ",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "nw9NmTOiSryTmUoQDSoPXA",
  "version" : {
    "number" : "7.17.17",
    "build_flavor" : "default",
    "build_type" : "rpm",
    "build_hash" : "aba4da413a368e296dfc64fb20897334d0340aa1",
    "build_date" : "2024-01-18T10:05:03.821431920Z",
    "build_snapshot" : false,
    "lucene_version" : "8.11.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}