kinit
Obtain and manage Kerberos tickets for authentication, including ticket lifetimes, renewal, keytabs, and credential caches
Obtain a Kerberos ticket (default principal)
Request a ticket with a specific lifetime
Request a renewable ticket with maximum lifetime
Request a forwardable ticket
Request a non-forwardable ticket
Request a proxiable ticket
Request a non-proxiable ticket
Obtain an anonymous Kerberos ticket
Include client addresses in the ticket
Do not include client addresses in the ticket
Validate an existing ticket
Renew an existing Kerberos ticket
Canonicalize the client principal name
Use enterprise principal name format
kinit -E user@example.com
Obtain a ticket using a keytab
kinit -k -t /etc/krb5.keytab principal
Use the default client keytab
Store credentials in a specific cache
kinit -c /tmp/krb5cc_custom
Request a service ticket for a specific service
kinit -S host/server.example.com
Use an existing credential cache as input
kinit -I /tmp/krb5cc_input
Use an armor credential cache (FAST)
kinit -T /tmp/krb5cc_armor
Set a Kerberos pre-authentication attribute