CentOS7.X安裝elasticsearch-5.6.2

elasticsearch(ES)

1. 安裝JAVA_JDK

2. 安裝elasticsearch

   cd /root
   wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.2.tar.gz
   tar -zxvf elasticsearch-5.6.2.tar.gz
   mv /root/elasticsearch-5.6.2 /usr/local/elasticsearch

3. 修改配置檔案

   vim /usr/local/elasticsearch/config/elasticsearch.yml
   
   # node.name
   node.name: node-1
   # node.attr
   node.attr.rack: r1
   # 資料路徑
   path.data: /usr/local/elasticsearch/data
   # 日誌路徑
   path.logs: /usr/local/elasticsearch/logs
   # IP繫結
   network.host: [區域網ip]
   # 設定埠
   http.port: 9200
   
   ESC
   :wq

4. 系統配置

   su root
   # 編輯sysctl.conf
   vim /etc/sysctl.conf
   # 設定最大記憶體佔用1G(1024x1024)
   vm.max_map_count=1048576
   
   ESC
   :wq
   
   # 過載sysctl.conf配置
   sysctl -p
   
   # 編輯limits.conf
   vim /etc/security/limits.conf
   
   elasticsearch hard nofile 65536
   elasticsearch soft nofile 65536
   
   ESC
   :wq

5. 啟動elasticsearch

   useradd elasticsearch
   chown -R elasticsearch:elasticsearch /usr/local/elasticsearch
   su elasticsearch
   /usr/local/elasticsearch/bin/elasticsearch -d 
   -p /usr/local/elasticsearch/logs/elasticsearch.pid

6. 防火牆配置

   su root
   systemctl enable firewalld
   systemctl start firewalld
   firewall-cmd --zone=public --add-port=9200/tcp --permanent
   firewall-cmd --zone=public --add-port=9300/tcp --permanent
   firewall-cmd --reload

7. 檢查是否成功執行

   curl http://[伺服器區域網]:9200

8. 開機啟動

   su root
   vim /etc/rc.local
   
   su elasticsearch -c "/usr/local/elasticsearch/bin/elasticsearch -d -p /usr/local/elasticsearch/logs/elasticsearch.pid"
   
   ESC
   :wq

CURL管理所有索引

1. 建立一個索引

   curl -XPUT `http://[ip]:[port]/[index_name]?pretty`

2. 檢視所有索引

   curl `http://[ip]:[port]/_cat/indices`

3. 刪除指定索引

   curl -XDELETE `http://[ip]:[port]/[index_name]?pretty`

Console管理所有索引

1. 建立一個索引

   PUT /[index_name]

2. 刪除多個索引

   DELETE /index_*
   DELETE /index_1,index_2

3. 刪除所有索引

   DELETE /*
   DELETE /_all

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