我用的centos6，mysql让我整出了各种问题，我想重装一个全新的mysql，yum remove mysql-server mysql之后再install并不能得到一个干净的mysql，原来的/etc/my.cnf依然没变，datadir里面的数据已没有任何变化，手动删除/etc/my.cnf，/usr/lib/mysql，/usr/share/mysql，/var/lib/mysql也不会起任何作用，各种查找之后发现应该是根本没删除干净
代码如下:
[root@data lib]# rpm -qa¦grep mysql
mysql-5.5.25-1.el6.remi.i686
mysql-libs-5.5.25-1.el6.remi.i686
compat-mysql51-5.1.54-1.el6.remi.i686
mysql-server-5.5.25-1.el6.remi.i686
[root@data lib]# yum remove mysql mysql-server mysql-libs compat-mysql51
这样才是完全给卸载了，然后重装就会得到一个全新的mysql。
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