摘要：
/usr/local/mysql/scripts/mysql_install_Db--user=mysql--basedir=/usr/local/mysql/出现错误：请在执行/usr/local/mysql/scripts/mysql_install_Db之前安装以下Perlmodules：数据：
初始化默认数据库运行此命令：/usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql/
出现错误：
FATAL ERROR: please install the following Perl modules before executing /usr/local/mysql/scripts/mysql_install_db:
Data::Dumper
解决方法 ：安装autoconf库
命令：yum-y install autoconf //此包安装时会安装Data:Dumper模块
安装完autoconf库，再运行/usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ ，问题消失！！！