Answers:
要详细说明@Phil P,请在这里从我的ubuntu框中回答。
sudo apt-get install krb5-user在您的计算机中输入以下内容 /etc/krb5.conf
[libdefaults]
    default_realm = YOURDOMAN
    # note that this must be in UPPER CASE
    krb4_config = /etc/krb.conf
    krb4_realms = /etc/krb.realms
    kdc_timesync = 1
    ccache_type = 4
    forwardable = true
    proxiable = true
    v4_instance_resolve = false
    v4_name_convert = {
        host = {
            rcmd = host
            ftp = ftp
        }
        plain = {
            something = something-else
        }
    }
    fcc-mit-ticketflags = true
[realms]
    YOURDOMAN = {
        kdc = YOUR_DOAMIN_CONTROLLER_IP
    }
[domain_realm]
    yourdomain = yourdomain
    yourdomain. = yourdomain