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“确保 nsswitch 中的本地位于绑定之前”是什么意思？

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“确保 nsswitch 中的本地位于绑定之前”是什么意思？ 
Joining to AD Domain:   *******
With Computer DNS Name: (null)


Error: Required configuration stage not enabled [code 0x0000a606]

The configuration of module 'set computer hostname' is required. Please either allow this configuration stage to be performed automatically (by passing '--enable hostname'), or
manually perform these configuration steps and rerun the domain join:

The following step(s) are required:
    Give the machine a fully-qualified domain name. If performed automatically, the fqdn will be set through /etc/hosts to 'proj.users.campus', but it is possible to use a
    different fqdn and/or set it through dns instead of /etc/hosts. However in all cases, the fqdn must follow standard DNS naming conventions, and have a period in the name.
    The following steps will be used if the fqdn is set automatically:
        * Make sure local comes before bind in nsswitch
        * Add a loopback entry in /etc/hosts and put the fqdn as the primary name

我认为我已经解决了第二个错误。但我不明白第一个错误。

什么是确保 nsswitch 中的 local 位于 bind 之前意思是？

答案1

确保 nsswitch 中的本地位于绑定之前是什么意思？

在 /etc/nsswitch.conf 中，在 dns 之前的“host: ..”文件中。例如：

Correct
hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4  

Not correct
hosts:          dns files

答案2

我认为这意味着在 /etc/nsswitch.conf 文件中，控制 DNS 源的行应该指示名称查找在任何其他命名源（如 bind）之前从本地文件进行

所以你应该有这样的一行

hosts:          files dns mdns4_minimal

而不是这个

hosts:          dns files mdns4_minimal

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