2023-05-20 10:37:01 -04:00
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# kinit
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> Authenticate a principal with a Kerberos server to gain and cache a ticket.
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> Note: A Kerberos principal can be either a user, service, or application.
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2025-04-23 10:24:12 +03:00
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> More information: <https://web.mit.edu/kerberos/krb5-latest/doc/user/user_commands/kinit.html>.
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2023-05-20 10:37:01 -04:00
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- Authenticate a user and obtain a ticket-granting ticket:
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`kinit {{username}}`
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- Renew a ticket-granting ticket:
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`kinit -R`
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- Specify a lifetime for the ticket:
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`kinit -l {{5h}}`
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- Specify a total renewable lifetime for the ticket:
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`kinit -r {{1w}}`
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- Specify a different principal name to authenticate as:
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`kinit -p {{principal@REALM}}`
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- Specify a different keytab file to authenticate with:
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`kinit -t {{path/to/keytab}}`
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