Mongodb compass connects to the Alibaba cloud remote server database or reports an error occurred while loading instance info: command hostinfo req

When you connect to the remote server, the following error is reported ：

An error occurred while loading instance info: command hostInfo requires authentication

command create requires authentication

Authentication failed.

It may be that your database is still empty , There is no administrator in it , So just use compass The connection will report an error

Pagoda panel installation mongo4.0 After that, you need to set the account and password to use the database

After installation authorization: disabled When configured by default


SSH terminal

1、 Get into mongodb The installation directory , The following is the default directory of the pagoda panel

cd /www/server/mongodb/bin

2、 Get into mongodb Environmental Science And switch to admin database

mongo
use admin

3、 Look at the current users

show users

4、 Create an administrator account

db.createUser({
     user: "admin", pwd: "password", roles: [{
     role: "userAdminAnyDatabase", db: "admin" }] })

mongodb Users in are identity based role Of , Of the administrator account role yes userAdminAnyDatabase.admin The user is used to manage the account , You cannot close the database .

5、 establish root account number

db.createUser({
    user: "root",pwd: "password", roles: [ {
     role: "root", db: "admin" } ]})

Super administrator root. role ：root.root The role is used to close the database .

6、 Create the management role of the user's own database

use yourdatabase// This is your database name , at will 

db.createUser({
    user: "user",pwd: "password",roles: [ {
     role: "dbOwner", db: "yourdatabase" } ]})

role: "dbOwner" Represents the database owner role , Have the highest permissions on the database . For example, create a new index , Be an account administrator and super administrator , You can create users for your own database .

It must be this time , Be sure to switch to the database to create users , Otherwise, the created user still belongs to admin.

If it's a reading and writing role , Permission set to role: “readWrite”.

7、 To view the user

show users  

Here is the current database Look at other databases use yourdatabase

8、 Delete user

To delete a user, the account administrator must delete , therefore , Switch to admin role

use admin

db.auth("admin","password")

Delete individual users

db.system.users.remove({
    user:"XXXXXX"})

Delete all users

db.system.users.remove({
    })

9、 Modify configuration item authorization: enabled Authorize remote login

At this time, the database item cannot be opened ,SSH Terminal re-entry mongodb Environmental Science There will be an error when setting the account and password .
If you need to enter again , Be sure to change this configuration to disabled And restart the service

10、 Configure ports and servers IP

0.0.0.0 Means unrestricted ip, In this way, the php have access to 127.0.0.1 Connect , Intranet can be used in other places ip Or public network ip visit .

11、MongoDB Compass




You can connect successfully