MongoDB Add user authentication, set user name and password

Original link: http://blog.sina.com.cn/s/blog_6e4059a40101b5z7.html

Problems encountered:

1, why do I have to link again or do not need a password after I have added a username?

Solve:

Reason one: After the data is added to the table name, you also need to join the authentication to start the database. When you start, add--auth.

Reason two: My MongoDB database has already started with the service, also uninstall the service, restart in--auth mode.

2, how to create a user

Reference: http://blog.csdn.net/unixpro/article/details/47302855