vim /usr/lib/systemd/system/elasticsearch.service
[Unit]
Description=elasticsearch
After=network.target
[Service]
Type=simple
User=user
Group=user
LimitMEMLOCK=infinity
LimitNOFILE=100000
LimitNPROC=100000
Restart=no
ExecStart=/data/application/elasticsearch7.7.0/bin/elasticsearch
PrivateTmp=true
[Install]
WantedBy=multi-user.target
















