How To Install pam_ssh_user_auth on CentOS 7

Introduction

In this tutorial we learn how to install pam_ssh_user_auth on CentOS 7.

What is pam_ssh_user_auth

pam_ssh_user_auth checks the value of SSH_USER_AUTH and will return success if is non-empty and failure if it is. It can be used to skip other PAM authentication methods with a configuration like auth [success=1 ignore=ignore default=die] pam_ssh_user_auth.so auth substack password-auth

We can use yum or dnf to install pam_ssh_user_auth on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install pam_ssh_user_auth.

Install pam_ssh_user_auth on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install pam_ssh_user_auth

Install pam_ssh_user_auth on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

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

sudo dnf -y install pam_ssh_user_auth

How To Uninstall pam_ssh_user_auth on CentOS 7

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

sudo dnf remove pam_ssh_user_auth

References

• pam_ssh_user_auth website

Summary

In this tutorial we learn how to install pam_ssh_user_auth on CentOS 7 using yum and dnf.