#mysql -u root -p
#输入数据库密码
#select user, host from mysql.user;
#SET PASSWORD FOR 'root'@'localhost' = PASSWORD('新密码');//本地密码
#SET PASSWORD FOR 'root'@'%' = PASSWORD('新密码');//远程密码
#FLUSH PRIVILEGES;// 刷新生效
mysql 忘记密码:(如果中间出错, 就使用FLUSH PRIVILEGES命令)
#service mysqld stop //或者 #service mysql stop
#mysqld_safe --skip-grant-tables //进入到skip-grant-tables模式
#mysql
#use mysql
#SET PASSWORD FOR 'root'@'localhost' = PASSWORD('123456');//本地密码
#SET PASSWORD FOR 'root'@'%' = PASSWORD('123456');//远程密码
#FLUSH PRIVILEGES;// 刷新生效
#ps -ef | grep mysql
#kill -9 mysql的id
#service mysqld start