instead of doing git clone to get google-authenticator, it is available as an ubuntu package: apt-get install freeradius libpam-google-authenticator. and then in /etc/pam.d/radiusd, comment out the existing include’s and set: auth requisite pam_google_authenticator.so forward_pass auth required pam_unix.so use_first_pass

Feb 28, 2019 · If you are using an Ubuntu server, set it up by following the Ubuntu 18.04 initial server setup guide, including a non-root user with sudo privileges and a firewall. An authenticator application installed on your mobile device, with which you can scan 2FA QR codes, such as Google Authenticator or Authy. Step 1 — Installing the Google PAM Module E: Unable to locate package libpam-google-authenticator This is a bug in Ubuntu 18.04.1 which should be resolved when 18.04.2 is released. Universe should be enabled by default but it is not. Sep 19, 2017 · chmod 0700 /etc/openvpn/google-authenticator Ubuntu will install the configuration file for the OpenVPN service usually in /etc/openvpn/vpn.conf unless you have changed that for some reason. Add On Ubuntu, the following command will install the Google Authenticator PAM. Open a Terminal window, type the following command, press Enter, and provide your password. The system will download the PAM from your Linux distribution’s software repositories and install it: sudo apt-get install libpam-google-authenticator Jul 06, 2020 · This tutorial will show you how to set up SSH two-factor authentication on Ubuntu server using the well-known Google Authenticator. It will greatly improve the security of the SSH service on your Ubuntu server. How Two-Factor Authentication Works Normally, you only need to enter a password or use SSH key to log in to your Ubuntu server remotely.

Sep 14, 2017 · ubuntu@ubuntu-OptiPlex-330:~$ google-authenticator As you hit the command, You will be prompted with series of questions (each of which you should answer with a y). After pressing the first y, you will be provided with a bar-code, secret key, verification code and emergency scratch codes. Oct 21, 2016 · Installing FreeRADIUS and Google Authenticator on Ubuntu 16.04 is very easy. All we need is to issue one line command. I added NTP package here since my Google Authenticator configuration is TOTP based. If one went through the Ubuntu installation properly, there might not be a need for this so long as the system is syncing to the time correctly.

Tutorial - Google Authenticator on Linux After finishing the correct date and time configuration, you can start the Google authenticator installation. On the Linux console, use the following commands to install the required packages. # apt-get install libpam-google-authenticator

Install the Google Authenticator PAM-module like this: sudo apt-get install libpam-google-authenticator Now run google-authenticator (inside a terminal) for every user you want to use Google Authenticator with and follow the instructions. You will get a QR-Code to scan with your smartphone (or a link) and emergency-codes. The basic principle of how Google Authenticator works is reasonably simple but very secure. When this option is enabled on the Access Server, the server generates a unique key of 16 random characters which is different for each user account. When the user logs on and has not yet enrolled in Google Authenticator, the user must enroll. May 13, 2016 · Open the Google Play Store on your Android device. Search for google authenticator. Locate and tap the entry by Google Inc. Tap Install. Tap Accept. Allow the installation to complete. Now let’s move on to installing the authenticator on your Linux machine. Here’s how: Open a terminal window. Issue the command sudo apt-get install libpam Oct 16, 2014 · This post will show you how to secure Webmin with Google Authenticator in Ubuntu 14.04 Server. NTP Time Sync. First install NTP so the time can be synchronised, the time needs to be very accurate so Google Authenticator can work. instead of doing git clone to get google-authenticator, it is available as an ubuntu package: apt-get install freeradius libpam-google-authenticator. and then in /etc/pam.d/radiusd, comment out the existing include’s and set: auth requisite pam_google_authenticator.so forward_pass auth required pam_unix.so use_first_pass Mar 01, 2015 · The tutorial is about how we can protect ssh with Google Authenticator on Ubuntu 14.04 LTS server . Google authenticator is a security application which implements time based one time password (TOTP) security tokens. It is often also called as “Two steps verification” . The server in which Google Authenticator has been setup , to […]