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无法在 Ubuntu 14.04 上设置 Kerberos - krb5kdc：没有这样的文件或目录 - 初始化领域 myrealm 的数据库时

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无法在 Ubuntu 14.04 上设置 Kerberos - krb5kdc：没有这样的文件或目录 - 初始化领域 myrealm 的数据库时

我正在尝试按照 Ubuntu wiki 上的指南安装和设置 Kerberos。我正在运行 Ubuntu 14.04 (LTS) 64 位。我已设置 avahi-daemon 以提供 .local DNS 名称。然后我运行：

sudo apt-get install krb5-kdc krb5-admin-server

对话框要求我输入域以及服务器的主机名，我输入了这两个信息。但是，它似乎遇到了错误：

krb5kdc: cannot initialize realm myrealm - see log file for details
...fail!

唯一的问题是没有日志文件。似乎默认设置/etc/krb5.conf实际上并未启用日志记录。无论如何，我向其中添加了以下内容：

[logging]
    default = FILE:/var/log/krb5.log

然后尝试运行：

sudo dpkg-reconfigure krb5-kdc

它仍然会出错，但这一次，在/var/log/krb5.log，我看到：

krb5kdc: No such file or directory - while initializing database for realm myrealm

但它实际上并没有告诉我缺少什么文件或目录。

这是我的krb5.conf

[libdefaults]
        default_realm = myrealm

# The following krb5.conf variables are only for MIT Kerberos.
        krb4_config = /etc/krb.conf
        krb4_realms = /etc/krb.realms
        kdc_timesync = 1
        ccache_type = 4
        forwardable = true
        proxiable = true

# The following encryption type specification will be used by MIT Kerberos
# if uncommented.  In general, the defaults in the MIT Kerberos code are
# correct and overriding these specifications only serves to disable new
# encryption types as they are added, creating interoperability problems.
#
# Thie only time when you might need to uncomment these lines and change
# the enctypes is if you have local software that will break on ticket
# caches containing ticket encryption types it doesn't know about (such as
# old versions of Sun Java).

#       default_tgs_enctypes = des3-hmac-sha1
#       default_tkt_enctypes = des3-hmac-sha1
#       permitted_enctypes = des3-hmac-sha1

# The following libdefaults parameters are only for Heimdal Kerberos.
        v4_instance_resolve = false
        v4_name_convert = {
                host = {
                        rcmd = host
                        ftp = ftp
                }
                plain = {
                        something = something-else
                }
        }
        fcc-mit-ticketflags = true

[logging]
    default = FILE:/var/log/krb5.log
[realms]
        myrealm = {
                kdc = kerberos-myname-syd.local
                admin_server = kerberos-myname-syd.local
        }
        ATHENA.MIT.EDU = {
                kdc = kerberos.mit.edu:88
                kdc = kerberos-1.mit.edu:88
                kdc = kerberos-2.mit.edu:88
                admin_server = kerberos.mit.edu
                default_domain = mit.edu
<cut>

[domain_realm]
        .mit.edu = ATHENA.MIT.EDU
        mit.edu = ATHENA.MIT.EDU
        .media.mit.edu = MEDIA-LAB.MIT.EDU
        media.mit.edu = MEDIA-LAB.MIT.EDU
        .csail.mit.edu = CSAIL.MIT.EDU
        csail.mit.edu = CSAIL.MIT.EDU
        .whoi.edu = ATHENA.MIT.EDU
        whoi.edu = ATHENA.MIT.EDU
        .stanford.edu = stanford.edu
        .slac.stanford.edu = SLAC.STANFORD.EDU
        .toronto.edu = UTORONTO.CA
        .utoronto.ca = UTORONTO.CA

[login]
        krb4_convert = true
        krb4_get_tickets = false
~
~

这是我的/etc/krb5/kdc.conf文件：

[kdcdefaults]
    kdc_ports = 750,88

[realms]
    myrealm = {
        database_name = /var/lib/krb5kdc/principal
        admin_keytab = FILE:/etc/krb5kdc/kadm5.keytab
        acl_file = /etc/krb5kdc/kadm5.acl
        key_stash_file = /etc/krb5kdc/stash
        kdc_ports = 750,88
        max_life = 10h 0m 0s
        max_renewable_life = 7d 0h 0m 0s
        master_key_type = des3-hmac-sha1
        supported_enctypes = aes256-cts:normal arcfour-hmac:normal des3-hmac-sha1:normal des-cbc-crc:normal des:normal des:v4 des:norealm des:onlyrealm des:afs3
        default_principal_flags = +preauth
    }

对于正在发生的事情您有什么想法吗？

答案1

您需要先创建一个数据库：

kdb5_util create -s -r MYREALM

哪里与文件MYREALM中的领域名称匹配/var/kerberos/krb5kdc/kdc.conf。

答案2

我将执行完整的 apt-get remove --purge 并尝试按照本教程进行操作。 http://techpubs.spinlocksolutions.com/dklar/kerberos.html

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