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最新推荐文章于 2025-05-10 16:24:14 发布

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最新推荐文章于 2025-05-10 16:24:14 发布

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文章标签： linux elasticsearch 运维

本文章作者主页，https://blog.youkuaiyun.com/qq_43319748，未经作者允许禁止转载，如有问题，欢迎指正！☺☺☺

本文链接：https://blog.youkuaiyun.com/qq_43319748/article/details/142425864

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1安装

# 进入需要安装es的位置
cd /soft
# 下载es
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-8.15.1-linux-x86_64.tar.gz
# 解压es
tar -zxvf  elasticsearch-8.15.1-linux-x86_64.tar.gz
# 新增管理es的用户，不设置密码
useradd es
# 操作权限交给es
chown -R es:es /soft/elasticsearch-8.15.1

2修改配置

config/elasticsearch.yml

cluster.name: elasticsearch
#数据存放路径
path.data: /soft/elasticsearch-8.15.1/data 
#日志存放路径
path.logs: /soft/elasticsearch-8.15.1/logs 
node.name: node-1
#本机IP地址（设置可以访问的ip地址）
network.host: 0.0.0.0
#es暴露对外的端口
http.port: 9200

config/jvm.options（可选，配置es使用的内存，根据实际情况配置）

-Xms256m
-Xmx256m

3启动

cd elasticsearch-8.15.1/bin
./elasticsearch

启动会报错，

bootstrap check failure [1] of [1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]; for more information see [https://www.elastic.co/guide/en/elasticsearch/reference/8.15/_maximum_map_count_check.html]
ERROR: Elasticsearch did not exit normally - check the logs at /soft/elasticsearch-8.15.1/logs/elasticsearch.log

max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144];

用root编辑/etc/sysctl.conf，修改内容，没有就新增

vm.max_map_count=262144

执行如下命令刷新生效

sysctl -p

经过一系列调整后，成功启动，成功的日志如下：

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
✅ 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`):
  9Ob4QT88888888p77l5I

ℹ️  HTTP CA certificate SHA-256 fingerprint:
  e05e2ba78888888888888b1d66f4387fdbc5a84876240bba

ℹ️  Configure Kibana to use this cluster:
• Run Kibana and click the configuration link in the terminal when Kibana starts.
• Copy the following enrollment token and paste it into Kibana in your browser (valid for the next 30 minutes):
  eyJ2ZXIiOiI4LjE0LjAiLCJhZHIiOlsiMTAuMi4yMC4yOjkyMDAiXSwiZmdyIjoiZTA1ZTJiYTcyMzYxMmJjYjhkYjkzMzM3Zjg1Mz88888888888888888888884NDg3NjI0MGJiYSIsImtleSI6ImpfQVBHcElCTE5qVHlNQ0Z4dEFWOjBEN3ZacjZHU1JDQWlic2JsT3NydXcifQ==

ℹ️ Configure other nodes to join this cluster:
• Copy the following enrollment token and start new Elasticsearch nodes with `bin/elasticsearch --enrollment-token <token>` (valid for the next 30 minutes):
  eyJ2ZXIiOiI4LjE0LjAiLCJhZHIiOlsiMTAuMi4yMC4yOjkyMDAiXSwiZmdyIjoiZTA1ZTJiYTcyMzYxMmJjYjhkYjkzMzM3Zjg1Mz88888888888888888888888WE4NDg3NjI0MGJiYSIsImtleSI6ImpmQVBHcElCTE5qVHlNQ0Z4ZER1OktmaU4wb1dTUUlHSkMzb0NJYW9fSHcifQ==

  If you're running in Docker, copy the enrollment token and run:
  `docker run -e "ENROLLMENT_TOKEN=<token>" docker.elastic.co/elasticsearch/elasticsearch:8.15.1`
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

然后就可以重新用后台启动了

./elasticsearch -d

设置密码 ./elasticsearch-reset-password -u elastic

4安装界面管理工具kibana

cd /soft
wget https://artifacts.elastic.co/downloads/kibana/kibana-8.15.1-linux-x86_64.tar.gz
tar -xvf kibana-8.15.1-linux-x86_64.tar.gz
chown -R es:es kibana-8.15.1

调整内存占用，kibana-8.15.1/config/node.options

--max-old-space-size=256

配置es和kibana启动端口

server:
  port: 9100
  host: "0.0.0.0"
elasticsearch:
  hosts: ["http://localhost:9200"]

启动

nohup  ./kibana &

打开页面，需要输入es的token

curl -X POST "http://localhost:9200/_security/oauth2/token" -H "Content-Type: application/json" -d '{
  "grant_type": "password",
  "username": "elastic",
  "password": "Uftc1pFx=joKRoBFJbfN"
}'


curl -u elastic:Uftc1pFx=joKRoBFJbfN -X POST "http://localhost:9200/_security/oauth2/token"


curl -u elastic:Uftc1pFx=joKRoBFJbfN -X GET "http://localhost:9200/_license"