http://blog.csdn.net/lzq123_1/article/details/51354179 註意：要將/usr/bin/mysql_install_db替換成 /usr/bin/mysql_install_db --datadir=usr/local/mysql/data/var ...
http://blog.csdn.net/lzq123_1/article/details/51354179
註意：要將/usr/bin/mysql_install_db替換成 /usr/bin/mysql_install_db --datadir=usr/local/mysql/data/var ，不然會報錯"Starting MySQL...The server quit without updating PID file”
