![Forrest logo](/images/logo.png)
kinit:tldr:1222a
The command kinit -p ${principal@REALM}
is used to obtain and cache a Kerberos ticket for a specified principal in a specific realm.
Here's how the command can be broken down:
-
kinit
is the Kerberos command-line utility used to obtain and manage Kerberos tickets. It is short for "Kerberos Initialization". -
The
-p
option specifies that the following argument is the principal for which a ticket is being requested. A principal is a unique identity associated with an entity (user, service, etc.) in an Kerberos authentication system. -
${principal@REALM}
is a placeholder that should be replaced with the actual principal and realm. The realm is the name of the Kerberos authentication domain. -
The command will attempt to authenticate the principal and obtain a ticket for it. Once authenticated, the ticket is saved in the Kerberos ticket cache on the local machine, allowing the user or process to authenticate against Kerberos-protected services without entering their credentials again.
In summary, the kinit -p ${principal@REALM}
command is used to authenticate a principal and obtain a Kerberos ticket for it, which can be used for subsequent authentications within the specified realm.