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How to Enable Multifactor Authentication for Linux Systems

Enabling Multifactor Authentication on a Linux system through the Administrator Console

 
  1. Navigate to Systems in the Administrator console and open the details of the system

  2. Under Multifactor Authentication, select the Enable check box



    Note: If Public Key Authentication is selected, at the same time as MFA, Public Key will take precedence and users will not be prompted for a verification code.

 

Verifying Multifactor Authentication on a Linux for a User

  1. Go to https://console.jumpcloud.com and login with the user account

  2. Expand the Multifactor authentication section and scan the QR Code or enter the TOTP key using Google Authenticator, or other application that supports the TOTP standard

  3. Once Multifactor authentication is successfully setup, enter two consecutive tokens in the available fields and then select Submit
     


 

          4.  Once validated, the section should indicate with a green check




          5. Then test:
 

$ ssh auser@192.168.1.1
Password: 
Verification code: 
Welcome to Ubuntu 16.04 LTS (GNU/Linux 4.4.0-28-generic x86_64)

 * Documentation:  https://help.ubuntu.com/

188 packages can be updated.
0 updates are security updates.


The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.

auser@ubuntu1604:~$ 



Multi-Factor Authentication for Linux | JumpCloud Tutorial

 

Last Updated: Jan 10, 2017 04:00PM MST

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