sun@iZwz99xibtof6c8lod50rhZ:~$ mongo
MongoDB shell version: 2.4.9
connecting to: test
Sat Jul 20 15:43:50.054 Error: couldn't connect to server 127.0.0.1:27017 at src/mongo/shell/mongo.js:145
exception: connect failed
sun@iZwz99xibtof6c8lod50rhZ:~$
Mongodb解决不能连接到服务器的错误