在使用 ubuntu 命令行登录的时候,出现: 1 2 3 4 5 6 7 8 perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_MESSAGES = "zh_CN.UTF-8", LANG = "zh_CN.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). 这样的错误