使用ElasticSearch问题记录

1.ElasticSearch启动时Job for elasticsearch.service failed because the control process exited with error code.

环境：ubuntu20.04

执行命令：

sudo systemctl enable --now elasticsearch.service

出现报错：

Job for elasticsearch.service failed because the control process exited with error code.
See "systemctl status elasticsearch.service" and "journalctl -xe" for details.

解决方法：

编辑配置文件配置文件：
sudo vi /etc/elasticsearch/elasticsearch.yml
修改下面部分：
network.host: 0.0.0.0
discovery.seed_hosts: ["0.0.0.0"]