kinit Command Examples
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}}