1.mysqltarzxfmysql-5.1.55.tarcdmysql-*./configure--prefix=/usr/local/mysql--with-charset=utf8--with-collation=utf8_general_ci--with-extra-charsets=gbk,gb2312make&&makeinstallcpsupport-files/my-medium.cnf/etc/my.cnfcpsupport-files/mysql.server/etc/init.d/mysqldchmoda+x/etc/rc.d/init.d/mysqldchkconfig-