如果您正在使用反引导创建rootfs，则需要生成区域设置。你可以通过运行:

# (optional) enable missing locales
sudo nano /etc/locale.gen

# then regenerate
sudo locale-gen

这个技巧来自https://help.ubuntu.com/community/Xen

对于任何从iTerm2连接到DigitalOcean或其他云托管提供商的人。在macOS v10.13 (High Sierra)上运行app，在一些命令上得到这个错误:

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
    LANGUAGE = (unset),
    LC_ALL = (unset),
    LC_CTYPE = "UTF-8",
    LANG = "en_US.UTF-8"
  are supported and installed on your system.
perl: warning: Falling back to a fallback locale ("en_US.UTF-8").

这为我解决了问题:

这通常意味着您还没有正确地在Linux机器上设置区域设置。

在Debian或Ubuntu上，这意味着你需要去做

$ sudo locale-gen
$ sudo dpkg-reconfigure locales

另参见man locale-gen。

每当我在最新的Kali Linux版本上运行Perl脚本(比如enum4linux)时，都会遇到这个问题。

kali@kali:~$ lsb_release -a
No LSB modules are available.
Distributor ID:    Kali
Description:    Kali GNU/Linux Rolling
Release:    2020.3
Codename:    kali-rolling
kali@kali:~$

例如,

kali@kali:~$ enum4linux
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
    LANGUAGE = (unset),
    LC_ALL = (unset),
    LC_ADDRESS = "ms_MY.UTF-8",
    LC_NAME = "ms_MY.UTF-8",
    LC_MONETARY = "ms_MY.UTF-8",
    LC_PAPER = "ms_MY.UTF-8",
    LC_IDENTIFICATION = "ms_MY.UTF-8",
    LC_TELEPHONE = "ms_MY.UTF-8",
    LC_MEASUREMENT = "ms_MY.UTF-8",
    LC_TIME = "ms_MY.UTF-8",
    LC_NUMERIC = "ms_MY.UTF-8",
    LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to a fallback locale ("en_US.UTF-8").
enum4linux v0.8.9 (http://labs.portcullis.co.uk/application/enum4linux/)
Copyright (C) 2011 Mark Lowe (mrl@portcullis-security.com)

请看给出的警告信息。

perl: warning: Falling back to a fallback locale ("en_US.UTF-8").

另外，注意LC_ALL = (unset)

解决办法很简单。你所要做的就是设置它。

export LC_ALL=en_US.UTF-8

例如,

kali@kali:~$ export LC_ALL=en_US.UTF-8
kali@kali:~$

问题解决了

kali@kali:~$ enum4linux
enum4linux v0.8.9 (http://labs.portcullis.co.uk/application/enum4linux/)
Copyright (C) 2011 Mark Lowe (mrl@portcullis-security.com)

对于永久解决方案，您可能希望将其添加到.bashrc文件中。

我在/etc/locale.conf上设置了LC_COLLATE=C。我简单地删除了这一行，因此只有LANG=en_US。设置了UTF-8(或等效的UTF-8)，就不会再有问题了。

这在Ubuntu中很简单。您必须从头开始生成locale，从命令行运行以下命令:

sudo locale-gen en_US en_US.UTF-8
sudo dpkg-reconfigure locales

这将创建区域设置，然后重新配置它们。