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yum install mysql yum install mysql-server yum install mysql-devel chgrp -r mysql /var/lib/mysql chmod -r 770 /var/lib/mysql service mysqld start   修改root的密码  mysqladmin -u root password 'newpassword' 更改密码  mysql -u root -p   登录数据库  mysql> drop database test;   删除test数据库  mysql> delete from mysql.user where user = ''; 删除匿名帐户  mysql> flush privileges;   重载权限  添加mysql用户：grant all privileges on my_db.* to 'user'@'localhost' identified by 'password';  # sudo service mysqld restart  重启服务  # sudo service mysqld stop  关闭服务  /etc/rc.d/init.d/mysqld status   查看mysql状态  # sudo chkconfig --del mysqld  删除服务清单中mysql服务  chkconfig --list    察看mysql是否在自动启动列表中  #sudo /etc/init.d/mysqld start   启动mysql服务  #sudo /etc/init.d/mysqld stop   关闭mysql服务  #sudo /etc/init.d/mysqld restart   重启mysql服务  /usr/bin/mysqladmin -u root -p'password' shutdown关闭mysql服务     作者 sharpleo bitscn.com