本文是假设你已经部署好数据库环境了的
废话不多说直接贴代码
> mongo
MongoDB shell version v3.6.1
connecting to: mongodb://127.0.0.1:27017
MongoDB server version: 3.6.1
> use admin
2018-09-12T22:30:47.472+0800 E QUERY [thread1] Error: listDatabases failed:{
"ok" : 0,
"errmsg" : "not authorized on admin to execute command { listDatabases: 1.0, $db: \"admin\" }",
"code" : 13,
"codeName" : "Unauthorized"
} :
_getErrorWithCode@src/mongo/shell/utils.js:25:13
Mongo.prototype.getDBs@src/mongo/shell/mongo.js:65: