我正在按照本指南使用LDAP来设置Kerberos。 我已经遵循了所有的步骤。 但是，当我运行kadmin.local它退出以下错误：
使用密码身份validation身份为root/[email protected]。
kadmin.local：无法绑定到LDAP服务器'ldaps：//'as'cn = admin，dc = example，dc = com'：在初始化kadmin.local界面时无法联系LDAP服务器
-- Subject: Unit krb5-kdc.service has begun start-up -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit krb5-kdc.service has begun starting up. Jan 02 06:19:12 ubuntu-512mb-blr1-01 systemd[1]: Starting Kerberos 5 Key Distribution Center... -- Subject: Unit krb5-kdc.service has begun start-up -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit krb5-kdc.service has begun starting up. Jan 02 06:19:12 ubuntu-512mb-blr1-01 krb5kdc[17707]: Cannot bind to LDAP server 'ldaps://' as 'cn=admin,dc=example,dc=com': Can't contact LDAP server Jan 02 06:19:12 ubuntu-512mb-blr1-01 krb5kdc[17707]: krb5kdc: cannot initialize realm EXAMPLE.COM - see log file for details Jan 02 06:19:12 ubuntu-512mb-blr1-01 systemd[1]: krb5-kdc.service: Control process exited, code=exited status=1 Jan 02 06:19:12 ubuntu-512mb-blr1-01 sudo[17678]: pam_unix(sudo:session): session closed for user root Jan 02 06:19:12 ubuntu-512mb-blr1-01 systemd[1]: Failed to start Kerberos 5 Key Distribution Center. -- Subject: Unit krb5-kdc.service has failed -- Defined-By: systemd -- Support: http://www.ubuntu.com/support -- -- Unit krb5-kdc.service has failed. -- -- The result is failed. Jan 02 06:19:12 ubuntu-512mb-blr1-01 systemd[1]: krb5-kdc.service: Unit entered failed state. Jan 02 06:19:12 ubuntu-512mb-blr1-01 systemd[1]: krb5-kdc.service: Failed with result 'exit-code'.