安装 elasticsearch-6.2.2

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.2.2.tar.gz

tar -xvf elasticsearch-6.2.2.tar.gz

useradd testuser

passwd testuser

-> (yourpwd)

chown -R testuser:testuser /home/elasticsearch

vim /etc/sysctl.conf

vm.max_map_count=2621441

sysctl -p

vim /etc/security/limits.conf

*** hard nofile 65536

*** soft nofile 65536

cd /home/elasticsearch

su testuser

-> (yourpwd)

bin/elasticsearch