我在配置主从 启动mysqld_multi时出现警告 ，也可以不用管
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "en_US:en"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").翻译：
缺少语言环境
解决方法：
#sudo vim /root/.bashrc
在最后加上这：
export LANGUAGE="en_US.UTF-8"
export LANG=en_US:zh_CN.UTF-8
export LC_ALL=C
#source /root/.bashrc
再运行就不会在出错了，完成
Setting locale failed. Please check that your locale settings
原文：http://dahui09.blog.51cto.com/10693267/1749471