This article explains how to find the username that was used to discover a device on a Junos Space platform. 

• Junos Space uses the username that discovered a device to manage the device.
• To manage a device, it is necessary to find the username associated with it. 
• The WebUI does not have an option to show the username associated with a device.

Follow these steps to discover the username associated with a device. Junos Space uses the 'username' to connect to a device.

1. Log in to Junos Space CLI and switch to debug console (option 6 for JA1500 and option 7 for Space-VA).
2. Run the following command:

   [root@space-005000000200 ~]# mysql -ujboss -p$(grep mysql.jboss /etc/sysconfig/JunosSpace/pwd | awk -F= '{print $2}') build_db -e "SELECT ld.name, dcm.adminname FROM LogicalDevice ld INNER JOIN DeviceConnectionManagement dcm ON ld.id=dcm.device_id_id;"​

3. The results will appear similar to the following:

   Warning: Using a password on the command line interface can be insecure.
+-----------------------+-----------+
| name                  | adminname |
+-----------------------+-----------+
| DeviceHostname        | root      |
+-----------------------+-----------+
   
   In the example above, "root" user is used to discover the device where "DeviceHostname" is the name of the device shown in the DeviceManagement page within the Junos Space WebUI .

2019/02/07 - Changed the command which can be used for all Space version, also added for Public view.