##优化
vi /etc/sysctl.conf
vm.max_map_count=262145

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

##解压
tar zxvf elasticsearch-8.10.4-linux-x86_64.tar.gz

##改名
mv elasticsearch-8.10.4 elasticsearch

##增加用户
adduser elasticsearch
echo Dsideal4r5t6y7u | passwd --stdin elasticsearch
chown -R elasticsearch /usr/local/elasticsearch

##修改配置（主要配置）
vi /usr/local/elasticsearch/config/elasticsearch.yml
node.name: node-1
network.host: 0.0.0.0
http.port: 9200
xpack.security.enabled: false
xpack.security.http.ssl:
  enabled: false

##启动
#调试启动
su elasticsearch -l -c "/usr/local/elasticsearch/bin/elasticsearch"
#后台启动
su elasticsearch -l -c "/usr/local/elasticsearch/bin/elasticsearch -d"