TACACS and RADIUS Authentication and Authorization

Hi,

I have a customer with some servers with critical services, also they have an Cisco ACS AAA systems for authenticate and authorize the access on our network for resources. They use TACACS for Device Management and RADIUS for Resource Access.

Now they would like to make TACACS standard for Device Administration including the RHEL 7.4 servers and applications.

Is there any procedure or support for TACACS or RADIUS in RHEL ?
Is there any document about how to user RADIUS and TACACS for authenticate users in RHEL 7.4 ?

Thanks in advance.

Guillermo Gonzalez
ggonzalez@soatek.com