How To Install pam_2fa on Fedora 34

pam_2fa is Second factor authentication for PAM Second factor authentication for PAM

Introduction

In this tutorial we learn how to install pam_2fa on Fedora 34.

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 pam_2fa 1.0 7.fc34 x86_64 26 k pam_2fa-1.0-7.fc34.src.rpm fedora Second factor authentication for PAM https GPLv3+ 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 Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install pam_2fa.

Install pam_2fa on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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 Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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 Fedora 34

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

sudo dnf remove pam_2fa

pam_2fa Package Contents on Fedora 34

/lib/security/pam_2fa.so
/usr/lib/.build-id
/usr/lib/.build-id/26
/usr/lib/.build-id/26/e3cbcbd864fe35f38edd687450a53c24222cae
/usr/share/doc/pam_2fa
/usr/share/doc/pam_2fa/README.md
/usr/share/licenses/pam_2fa
/usr/share/licenses/pam_2fa/COPYING
/lib64/security/pam_2fa.so
/usr/lib/.build-id
/usr/lib/.build-id/19
/usr/lib/.build-id/19/708f32fbe3f51a78fc932c29213c4801f635a2
/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](https://cern-cert.github.io/pam_2fa/ https://cern-cert.github.io/pam_2fa/)

Summary

In this tutorial we learn how to install pam_2fa on Fedora 34 using yum and dnf.