How To Install pam_2fa on Rocky Linux 8

In this tutorial we learn how to install pam_2fa on Rocky Linux 8. pam_2fa is Second factor authentication for PAM

Introduction

In this tutorial we learn how to install pam_2fa on Rocky Linux 8.

What is `pam_2fa`

The PAM 2FA module provides a second factor authentication, which can be combined with the standard PAM-based password authentication to ask for * What you know * What you have (pick one of) * A Google Authenticator Application on your phone * A Phone Number capable of receiving SMS * A Yubikey

We can use yum or dnf to install pam_2fa on Rocky Linux 8. In this tutorial we discuss both methods but you only need to choose one of method to install pam_2fa.

Install pam_2fa on Rocky Linux 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

After updating yum database, We can install pam_2fa using dnf by running the following command:

sudo dnf -y install pam_2fa

Install pam_2fa on Rocky Linux 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install pam_2fa using yum by running the following command:

sudo yum -y install pam_2fa

How To Uninstall pam_2fa on Rocky Linux 8

To uninstall only the pam_2fa package we can use the following command:

sudo dnf remove pam_2fa

pam_2fa Package Contents on Rocky Linux 8

/lib64/security/pam_2fa.so
/usr/lib/.build-id
/usr/lib/.build-id/b4
/usr/lib/.build-id/b4/41dfc8111a75f8da4a29c2c6429c011dc73366
/usr/share/doc/pam_2fa
/usr/share/doc/pam_2fa/README.md
/usr/share/licenses/pam_2fa
/usr/share/licenses/pam_2fa/COPYING

References

pam_2fa website

Summary

In this tutorial we learn how to install pam_2fa on Rocky Linux 8 using yum and dnf.