1.启动mongodb
sudo service mongod start
2.查看mongodb的运行状态
sudo service mongod status
3.关闭防火墙
systemctl stop firewalld
4.查看防火墙状态
systemctl status firewalld
5.进入mongodb命令行
mongo
6.创建mongodb用户
use admin
db.createUser({user:"admin",pwd:"admin",roles:["root"]})
db.auth("admin","admin")
7.创建tb_autopick数据库及其用户admin
use tb_autopick
db.createUser({user: "admin", pwd: "123456", roles: [{ role: "dbOwner", db: "tb_autopick" }]})
8.查找mongod.conf文件
whereis mongod.conf