ubuntu22.4搭建单节点es8.1

下载对应的包

elasticsearch-8.1.1-linux-x86_64.tar.gz

创建es租户

groupadd elasticsearc
useradd elasticsearch -g elasticsearch -p elasticsearch
chmod u+w /etc/sudoers
chmod -R elasticsearch:elasticsearch elasticsearch

修改配置文件

vim /etc/sysctl.conf
vm.max_map_count = 262144
sysctl -p

vim /etc/security/limits.conf
* soft nofile 65536
* hard nofile 65536
* soft nproc 4096
* hard nproc 4096

修改环境参数

vim elasticsearch/config/elasticsearch.yml

xpack.security.enabled: false
http.cors.enabled: true
http.cors.allow-origin: "*"
path.data: /usr/local/elasticsearch/data
path.logs: /usr/local/elasticsearch/logs

cluster.name: shds
node.name: es2.conf
http.port: 19200
#transport.tcp.port: 19300

#include.type.name: false
network.host: 0.0.0.0
#discovery.seed_providers: file
discovery.seed_hosts: ["10.15.250.240"]
network.publish_host: 10.15.250.240
cluster.initial_master_nodes: ["10.15.250.240"]
node.roles: [data,master,ingest]

启动

su Elasticsearch
./bin/elasticsearch -d