lsb_release -a
yum list installed mysql*
yum remove mysql-libs.x86_64
whereis
whereis mysql
yum list mysql*
yum install mysql-server
service mysqld start
mysql
chkconfig mysqld on
mysql
service mysqld restart
mysql -uroot -p密碼
設(shè)置密碼
update user set password=password('123') where user='root';