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                企業??AI智能體構建引擎,智能編排和調試,一鍵部署,支持知識庫和私有化部署方案 廣告
                > ES不能使用root用戶來啟動,必須使用普通用戶來安裝啟動。所以我們必須創建一個ES專門的用戶。 <br> ### 下載Elasticsearch放到服務器home目錄下 > 下載地址:https://www.elastic.co/cn/downloads/elasticsearch <br> ### 創建一個用戶組 ``` groupadd elasticsearch ``` ### 創建用戶并設置密碼 ``` useradd zhangyu passwd search!@# ``` ### 將用戶zhangyu添加到elasticsearch用戶組 ``` usermod -G elasticsearch zhangyu chown -R zhangyu /home/elasticsearch-7.14.1 ``` ### 給zhangyu用戶sudo權限 ``` visudo 在root ALL=(ALL) ALL這行的下面添加 zhangyu ALL=(ALL) ALL 添加成功保存后切換到zhangyu用戶 su zhangyu ``` ### 修改配置文件 ``` mkdir /home/elasticsearch-7.14.1/data cd /home/elasticsearch-7.14.1/config vi elasticsearch.yml cluster.name: my-application #集群名稱 node.name: node-1 #從節點名稱 path.data: /home/elasticsearch-7.14.1/data path.logs: /home/elasticsearch-7.14.1/log network.host: 0.0.0.0 http.port: 9200 bootstrap.memory_lock: false #關掉 bootstrap 自檢程序 discovery.seed_hosts: ["實際的ip地址"] cluster.initial_master_nodes: ["node-1"] ``` #### 啟動Elasticsearch ``` cd /home/elasticsearch-7.14.1/bin ./elasticsearch -d #加-d就是后臺運行 訪問:http://ip:9200 ``` ### 可能遇到的問題 * ``Not enough space`` 內存不足 修改 ``/home/elasticsearch-7.14.1/config/jvm.options`` 內存適當調小 ``` ## -Xms4g ## -Xmx4g -Xms300m -Xmx300m ``` * ``bootstrap checks failed`` ``` 切換到root用戶 編輯 /etc/sysctl.conf 文件 追加 vm.max_map_count=655360 保存后執行 sysctl -p 重啟 ```
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