How To Install pam_ssh on CentOS 7
Introduction
In this tutorial we learn how to install pam_ssh
on CentOS 7.
What is pam_ssh
This PAM module provides single sign-on behavior for UNIX using SSH keys. Users are authenticated by decrypting their SSH private keys with the password provided. In the first PAM login session phase, an ssh-agent process is started and keys are added. The same agent is used for the following PAM sessions. In any case the appropriate environment variables are set in the session phase.
We can use yum
or dnf
to install pam_ssh
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install pam_ssh.
Install pam_ssh on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install pam_ssh
using yum
by running the following command:
Install pam_ssh 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.
After updating yum database, We can install pam_ssh
using dnf
by running the following command:
How To Uninstall pam_ssh on CentOS 7
To uninstall only the pam_ssh
package we can use the following command:
References
Summary
In this tutorial we learn how to install pam_ssh
on CentOS 7 using yum
and dnf
.