perl: warning: Please check that your locale settings

perl: warning: Setting locale failed.

perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = “zh_CN.GB2312;zh_CN.UTF-8;en_US;en_US.UTF-8”
are supported and installed on your system.
perl: warning: Falling back to the standard locale (“C”).
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = “zh_CN.GB2312;zh_CN.UTF-8;en_US;en_US.UTF-8”
are supported and installed on your system.
perl: warning: Falling back to the standard locale (“C”).

在使用其它的某些命令時(如：mysqlhotcopy)也會也出現類似的提示。
搜尋了好一段時間，並試了幾次，找到一個解決此問題的簡單方法，如下：

vi /root/.bashrc
再最底部加上
export LC_ALL=C
或者直接運行
echo “export LC_ALL=C” >> /root/.bashrc
然後執行一下：
source /root/.bashrc
好了。