kinit

Authenticate a principal with a Kerberos server to gain and cache a ticket. Note: A Kerberos principal can be either a user, service, or application. More information: https://web.mit.edu/kerberos/krb5-1.12/doc/user/user_commands/kinit.html.

  • Authenticate a user and obtain a ticket-granting ticket:

kinit username

  • Renew a ticket-granting ticket:

kinit -R

  • Specify a lifetime for the ticket:

kinit -l 5h

  • Specify a total renewable lifetime for the ticket:

kinit -r 1w

  • Specify a different principal name to authenticate as:

kinit -p principal@REALM

  • Specify a different keytab file to authenticate with:

kinit -t path/to/keytab

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