In the previous chapter, you learned about setting up the network and topics such DHCP, DNS, and their configuration. In this chapter, we will discuss setting up authentication for users over a network and how to allow users to log in and work on remote servers, to avail of services offered by those servers. The topics covered in this chapter are as follows:
OpenLDAP
Kerberos
Kerberos with LDAP
Public and private keys
Passwordless SSH and sshd