How to use Google authenticator SSH?

How to use Google authenticator SSH?

So let’s get started!

1. Step 1 – Install Dependencies. To install the package, you’ll need to have root or sudo privileges on the machine you wish to secure your SSH with 2FA using Google Authenticator.
2. Step 2 – Configuring OpenSSH.
3. Step 3 – Setup the Google Authenticator App.
4. Step 4 – Login to Your Computer via SSH.

How do I set up Google Authenticator Server?

Set up Google Authenticator

1. On your device, go to your Google Account.
2. At the top, in the navigation panel, tap Security.
3. Under “Signing in to Google,” tap 2-Step Verification.
4. In the “Add more second steps to verify it’s you” section, under “Authenticator app,” tap Set up.
5. Follow the on-screen steps.

How does the Google Authenticator app work?

The app (iOS/Android) generates a random code used to verify your identity when you’re logging into various services. The code can technically be sent to your phone via text message every time— but the Google Authenticator app provides an extra level of security.

What is Google Authenticator used for?

Google Authenticator is a mobile security application based on two-factor authentication (2FA) that helps to verify user identities before granting them access to websites and services.

Is SSH multi factor authentication?

SSH uses passwords for authentication by default, and most SSH hardening instructions recommend using an SSH key instead. However, this is still only a single factor. If a bad actor has compromised your computer, then they can use your key to compromise your servers as well.

How do I install Google Authenticator on Ubuntu?

Installation

1. Open a terminal window.
2. Issue the command sudo apt install libpam-google-authenticator.
3. Type your sudo password and hit Enter.
4. If prompted, type y and hit Enter.
5. Allow the installation to complete.

How do I set up Google Authenticator for SSH?

Each user will have their own secret key and their own codes. Next you’ll have to require Google Authenticator for SSH logins. To do so, open the /etc/pam.d/sshd file on your system (for example, with the sudo nano /etc/pam.d/sshd command) and add the following line to the file:

How to sync Google Authenticator on Android phone?

On your Android device, go to the main menu of the Google Authenticator app. Tap More Settings Time correction for codes Sync now. On the next screen, the app confirms the time has been synced. You should be able to sign in.

Where do I enter the secret key in Google Authenticator?

Enter the secret key in the Google Authenticator app on your phone (official apps are available for Android, iOS, and Blackberry ). You can also use the scan barcode feature – go to the URL located near the top of the command’s output and you can scan a QR code with your phone’s camera.

How to set the correct time for Google Authenticator?

To set the correct time: On your Android device, go to the main menu of the Google Authenticator app. Tap More Settings Time correction for codes Sync now. On the next screen, the app confirms the time has been synced.