没有管理员权限的用户可以更改他们自己的名称，密码和邮件地址。
Users who do not have administrator permissions can change their own user names, passwords, and E-mail addresses.
Kerberos管理员可以使用kadmin实用程序添加主体、修改主体、删除主体、更改密码以及其他管理任务。
Using the kadmin utility, a Kerberos administrator can add principals, modify principals, delete principals, change passwords, and do other administrative tasks.
不需要以根用户身份运行uptrack - manager；在应用任何更改之前，软件会提示输入管理员密码。
It is not necessary to run uptrack-manager as root; the software prompts for an administrator's password before any modifications are applied.
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