.ccacheticket to use has to be referenced in the environment variable
KRB5CCNAMEenvironment variable for it to be used by others tools.
KRB5CCNAMEvariable is exported, the ticket can be used by tools that support Kerberos authentication.
sname, indicates what service the ticket is destined to be used for. This information is basically the SPN (Service Principal Name) of the target service. It's split into two elements: the service class, and the hostname.