elastic search8安装及使用

一、elasticsearch 安装

下载地址：https://www.elastic.co/cn/start下载 elasticsearch-8.0.0-linux-x86_64.tar.gz 完成后复制到虚拟机安装java8环境

yum install -y java-1.8.0-openjdk

虚拟机配置

vim /etc/security/limits.conf
# 添加
* soft nofile 65536
* hard nofile 65536
# 保存，并重新登陆
vim /etc/sysctl.conf
# 最后一行添加
vm.max_map_count=262144
# 保存
sysctl -p

安装：注意不能使用root用户

tar -xvzf elasticsearch-8.0.0-linux-x86_64.tar.gz
# 修改配置 
cd elasticsearch-8.0.0
vim config/elasticsearch.yml
# 设置network.host的IP为0.0.0.0
# 设置node.name: node-1
# 设置cluster.initial_master_nodes: ["node-1"]
# 添加
xpack.reporting.encryptionKey: "chenqionghe"
xpack.security.encryptionKey: "122333444455555666666777777788888888"
xpack.encryptedSavedObjects.encryptionKey: "122333444455555666666777777788888888"
# 保存
# 启动
cd bin
./elasticsearch

✅ Elasticsearch security features have been automatically configured!
✅ Authentication is enabled and cluster connections are encrypted.

ℹ️  Password for the elastic user (reset with `bin/elasticsearch-reset-password -u elastic`):
  密码

出现以下内容说明访问正常

{
  "name" : "node-1",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "err8U3ufRS-EiKUqWTh4wQ",
  "version" : {
    "number" : "8.0.0",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "1b6a7ece17463df5ff54a3e1302d825889aa1161",
    "build_date" : "2022-02-03T16:47:57.507843096Z",
    "build_snapshot" : false,
    "lucene_version" : "9.0.0",
    "minimum_wire_compatibility_version" : "7.17.0",
    "minimum_index_compatibility_version" : "7.0.0"
  },
  "tagline" : "You Know, for Search"
}

二、kibana 安装

下载地址：https://www.elastic.co/cn/start下载 kibana-8.0.0-linux-x86_64.tar.gz完成后复制到虚拟机配置

安装：注意不能使用root用户

tar -xvzf kibana-8.0.0-linux-x86_64.tar.gz 
vim kibana-8.0.0/config/kibana.yml 
# 修改server.host: "0.0.0.0"
# 修改中文 i18n.locale: "zh-CN"
# 修改 server.publicbaseUrl: "http://localhost:5601/"
# 保存
cd kibana-8.0.0/bin/
# 启动
./kibana

复制日志中的链接，修改为虚拟机地址并访问在elasticsearch的日志中复制token，填到页面中，并点击Configure manually点击check address生成用户密码

cd elasticsearch-8.0.0/bin/
./elasticsearch-reset-password --username kibana_system
y

将用户名密码输入，并勾选node-1 点击配置使用elastic 的账号密码进行登陆三、elastic使用

创建索引

# 注 number_of_shards：分片数
# number_of_replicas：备份数
PUT 索引名
{
  "settings": {
    "index": {
      "number_of_shards": "5",
      "number_of_replicas": "1"
    }
  }
}

elastic search8安装及使用

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