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。

我现在使用这个:

$ cat /etc/environment
...
LC_ALL=en_US.UTF-8
LANG=en_US.UTF-8

然后注销SSH会话，重新登录。

旧的回答:

只有这一点对我有帮助:

$ locale
locale: Cannot set LC_ALL to default locale: No such file or directory
LANG=en_US.UTF-8
LANGUAGE=
LC_CTYPE=en_US.UTF-8
LC_NUMERIC=ru_RU.UTF-8
LC_TIME=ru_RU.UTF-8
LC_COLLATE="en_US.UTF-8"
LC_MONETARY=ru_RU.UTF-8
LC_MESSAGES="en_US.UTF-8"
LC_PAPER=ru_RU.UTF-8
LC_NAME=ru_RU.UTF-8
LC_ADDRESS=ru_RU.UTF-8
LC_TELEPHONE=ru_RU.UTF-8
LC_MEASUREMENT=ru_RU.UTF-8
LC_IDENTIFICATION=ru_RU.UTF-8
LC_ALL=

$ sudo su

# export LANGUAGE=en_US.UTF-8
# export LANG=en_US.UTF-8
# export LC_ALL=en_US.UTF-8

# locale-gen en_US.UTF-8
Generating locales...
  en_US.UTF-8... up-to-date
Generation complete.

# dpkg-reconfigure locales
Generating locales...
  en_AG.UTF-8... done
  en_AU.UTF-8... done
  en_BW.UTF-8... done
  en_CA.UTF-8... done
  en_DK.UTF-8... done
  en_GB.UTF-8... done
  en_HK.UTF-8... done
  en_IE.UTF-8... done
  en_IN.UTF-8... done
  en_NG.UTF-8... done
  en_NZ.UTF-8... done
  en_PH.UTF-8... done
  en_SG.UTF-8... done
  en_US.UTF-8... up-to-date
  en_ZA.UTF-8... done
  en_ZM.UTF-8... done
  en_ZW.UTF-8... done
Generation complete.

# exit

$ locale
LANG=en_US.UTF-8
LANGUAGE=en_US.UTF-8
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=en_US.UTF-8

一如既往，细节决定成败。

在Mac OS X v10.7.5 (Lion)上，要修复一些Django错误，请在我的~/。bash_profile我已经设置:

export LANG=en_EN.UTF-8
export LC_COLLATE=$LANG
export LC_CTYPE=$LANG
export LC_MESSAGES=$LANG
export LC_MONETARY=$LANG
export LC_NUMERIC=$LANG
export LC_TIME=$LANG
export LC_ALL=$LANG

在很长一段时间里，我在使用Perl时都得到了这样的警告。

我的坏!我后来才意识到，我的系统是en_US.UTF-8! 我只是通过改变

export LANG=en_EN.UTF-8

to

export LANG=en_US.UTF-8

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:

向~/添加正确的区域设置。bashrc,(~ /。Bash_profile， /etc/environment之类的文件可以解决这个问题，但是不建议这样做，因为它会覆盖/etc/default/locale的设置，这在最好的情况下是令人困惑的，在最坏的情况下可能会导致区域设置不一致。

相反，应该直接编辑/etc/default/locale，它可能看起来像这样:

LANG=en_US.UTF-8
LANGUAGE=en_US:en
LC_CTYPE=en_US

更改将在下次登录时生效。你可以通过/etc/default/locale在现有的shell中获取新的语言环境，就像这样:

$ . /etc/default/locale

在我的例子中，这是输出:

LANGUAGE = (unset),
LC_ALL = (unset),
LC_PAPER = "ro_RO.UTF-8",
LC_ADDRESS = "ro_RO.UTF-8",
....

解决方案是:

sudo locale-gen ro_RO.UTF-8