ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
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#1.停止mysql数据库
/etc/init
.d
/mysqld
stop
#2.执行如下命令
mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
#3.使用root登录mysql数据库
mysql -u root mysql
#4.更新root密码
mysql> UPDATE user SET Password=PASSWORD(
'newpassword'
) where USER=
'root'
;
#最新版MySQL请采用如下SQL:
mysql> UPDATE user SET authentication_string=PASSWORD(
'newpassword'
) where USER=
'root'
;
#5.刷新权限
mysql> FLUSH PRIVILEGES;
#6.退出mysql
mysql> quit
#7.重启mysql
/etc/init
.d
/mysqld
restart
#8.使用root用户重新登录mysql
mysql -uroot -p
Enter password: <输入新设的密码newpassword>
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