下载地址

https://www.elastic.co/cn/downloads/past-releases#elasticsearch
https://www.elastic.co/cn/downloads/past-releases#kibana

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-8.3.0-linux-x86_64.tar.gz

wget https://artifacts.elastic.co/downloads/kibana/kibana-8.3.0-linux-x86_64.tar.gz

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安装

创建esuser 用户

/usr/local/elastic

chown -R esuser /usr/local/elastic

su esuser

tar zxvf  解压包


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出现 max file descriptors [4096] for elasticsearch process is too low
查看下ulimit是否符合Es

exit  退出用户
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ulimit描述看这里

ulimit -Hn       =65535的话则不需要修改
ulimit -Sn       =65535的话则不需要修改
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修改方式

vi /etc/security/limits.conf

添加
soft    nofile          65536
hard    nofile          65536
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再次查看

```java
ulimit -Hn
ulimit -Sn 
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出现max virtual memory areas vm.max_map_count [65530] is too low

vi /etc/sysctl.conf

修改
vm.max_map_count = 262144

刷新系统文件
sysctl -p

切换esuser
su esuser


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修改yml

cluster.name: my-application
node.name: node-1
network.host: 0.0.0.0
http.port: 9200
discovery.seed_hosts: ["https://127.0.0.1:9200"]
cluster.initial_master_nodes: ["node-1"]
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启动Es

修改config目录下的 jvm.options 设置jvm
这个是可以说的吗???? 如果需要的话!!!!!

-Xms1g
-Xmx1g
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启动

 ./elasticsearch
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Es控制台会自动的帮你创建安全配置 这段一定要复制下来备用

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

【1】  Password for the elastic user (reset with `bin/elasticsearch-reset-password -u elastic`):
  1sWR1BpChhKDVmoyM-lW

ℹ️  HTTP CA certificate SHA-256 fingerprint:
  ac11053b4925fc7e56213571d81427987f94b53564720a8a8d8a3bf53e50c937

【2】  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):
  eyJ2ZXIiOiI4LjMuMCIsImFkciI6WyIxNzIuMjYuMy4yMTM6OTIwMCJdLCJmZ3IiOiJhYzExMDUzYjQ5MjVmYzdlNTYyMTM1NzFkODE0Mjc5ODdmOTRiNTM1NjQ3MjBhOGE4ZDhhM2JmNTNlNTBjOTM3Iiwia2V5IjoieGRGQnNvRUJlNTMzOEh2RWNFU2g6TzlKNzVTN0VROS1KWnVJUUo4QWpjZyJ9

ℹ️  Configure other nodes to join this cluster:
• On this node:
  ⁃ Create an enrollment token with `bin/elasticsearch-create-enrollment-token -s node`.
  ⁃ Uncomment the transport.host setting at the end of config/elasticsearch.yml.
  ⁃ Restart Elasticsearch.
• On other nodes:
  ⁃ Start Elasticsearch with `bin/elasticsearch --enrollment-token <token>`, using the enrollment token that you generated.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

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【1】是es的账户密码 1sWR1BpChhKDVmoyM-lW 用户名是 elastic(最高权限)
我们也可以通过 bin/elasticsearch-reset-password 来调整密码

• ./elasticsearch-reset-password -u 用户名 重置密码
• ./elasticsearch-reset-password --username 用户名 -i 修改指定用户密码
• ./elasticsearch-reset-password --username kibana_system 重置kibana密码
• ./elasticsearch-reset-password --url “https://host:port” --username ‘用户名’ -i

【2】kibana初始化与Es链接SSl的token 有效期30分钟 过期使用
.\elasticsearch-create-enrollment-token -s kibana 再次创建

访问时要带HTTPS HTTPS HTTPS HTTPS HTTPS HTTPS HTTPS HTTPS

生成SSL的密钥都在/config/certs

启动kibana

修改yml 不需要你配置链接的es

server.port: 5601
server.host: "127.0.0.1"

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启动

./kibana

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只有不设置elasticsearch.hosts 才能看到这个界面哦

将生成的token 复制进来

出现Generate a new enrollment token or configure manually. 需要重新生成

执行 重新生成token

./elasticsearch-create-enrollment-token -s kibana
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这个界面就坐等链接成功

登陆用户名密码和Es的一毛一样