How To Install pam_yubico on CentOS 8
Introduction
In this tutorial we learn how to install pam_yubico on CentOS 8.
What is pam_yubico
This is pam_yubico, a pluggable authentication module that can be used with Linux-PAM and yubikeys. This module supports yubikey OTP checking.
We can use yum or dnf to install pam_yubico on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install pam_yubico.
Install pam_yubico on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install pam_yubico using dnf by running the following command:
sudo dnf -y install pam_yubico
Install pam_yubico on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install pam_yubico using yum by running the following command:
sudo yum -y install pam_yubico
How To Uninstall pam_yubico on CentOS 8
To uninstall only the pam_yubico package we can use the following command:
sudo dnf remove pam_yubico
pam_yubico Package Contents on CentOS 8
/lib64/security/pam_yubico.so
/usr/bin/ykpamcfg
/usr/lib/.build-id
/usr/lib/.build-id/22
/usr/lib/.build-id/22/d51ccc0ed89e74c98da44b83e7705d7bcf3b68
/usr/lib/.build-id/f5
/usr/lib/.build-id/f5/8adfd7292c51b569219d06dcaf9ba47d2a8b2c
/usr/share/doc/pam_yubico
/usr/share/doc/pam_yubico/ChangeLog
/usr/share/doc/pam_yubico/NEWS
/usr/share/doc/pam_yubico/README
/usr/share/licenses/pam_yubico
/usr/share/licenses/pam_yubico/COPYING
/usr/share/man/man1/ykpamcfg.1.gz
/usr/share/man/man8/pam_yubico.8.gz
References
Summary
In this tutorial we learn how to install pam_yubico on CentOS 8 using yum and dnf.