Unable to show dbs

December 20, 2017 3.2k views
MongoDB Ubuntu 16.04
rahajasonandy
By:
rahajasonandy

Hello,

I followed this tutorial to setup mongodb , all seems working correctly. However when i put following commands : 

> show dbs 
2017-12-20T21:40:26.799+0000 E QUERY    [thread1] Error: listDatabases failed:{
    "ok" : 0,
    "errmsg" : "not authorized on admin to execute command { listDatabases: 1.0 }",
    "code" : 13,
    "codeName" : "Unauthorized"
} :
_getErrorWithCode@src/mongo/shell/utils.js:25:13
Mongo.prototype.getDBs@src/mongo/shell/mongo.js:62:1
shellHelper.show@src/mongo/shell/utils.js:781:19
shellHelper@src/mongo/shell/utils.js:671:15
@(shellhelp2):1:1

Someone could say me why?

Thank you

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1 Answer
asb MOD February 8, 2018

It looks like you've enable user authentication for MongoDB. In fact, that's the exact error you would expect to receive following Step 3 of the tutorial — Verifying that Unauthenticated Users are Restricted.

If you've created users and passwords for Mongo, you will need to connect to it like so:

  • mongo -u userName -p --authenticationDatabase admin

See the MongoDB documentation to learn more about user authentication.

How to Install and Secure MongoDB on Ubuntu 16.04
by Melissa Anderson
MongoDB is a document-oriented database that is free and open-source. It is classified as a NoSQL database because it does not rely on a traditional table-based relational database structure ... In Part One of this tutorial we'll use the MongoDB Repository to install the latest version of MongoDB. In Part Two, we'll enable authentication to secure it on the local system. Finally, in Part Three, we'll show how to more securely allow remote connections if they're needed.
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