systemctl status mongod 如果成功的话,屏幕输出如下,注意第三行Active的状态是active(running): ● mongod.service - MongoDB Database ServerLoaded: loaded (/usr/lib/systemd/system/mongod.service; enabled; vendor preset: disabled)Active: active (running) since Sun 2021-06-27 17:30:14 CST; 56s ...