MySQL ERROR 1045 (28000): Access denied for user workaround

Windows:

1. Admin login system, stop MySQL service or end mysqld-nt process
2. Go to the command line and come to the MySQL installation directory. Assuming that the installation directory is d:\mysql\, CMD enters the command line
3. Run d:\mysql\bin\mysqld-nt--skip-grant-tables start MySQL, turn off check of permissions
4. Run d:\mysql\bin\mysqladmin-u root flush-privileges password "newpassword" Reset root password
5. Restart the MySQL service, net stop MySQL then net start MySQL, and then mysql-u Root-p enter the password to log in

This verification succeeds, MySQL runs again normal

Linux Systems
method One:
#/etc/init.d/mysql Stop
# Mysqld_safe--user=mysql--skip-grant-tables--skip-networking &
# mysql-u Root MySQL
mysql> UPDATE user SET Password=password (' NewPassword ') where user= ' root ';
mysql> FLUSH privileges;
Mysql> quit
#/etc/init.d/mysql Restart
# mysql-uroot-p
Enter Password: < Enter the newly set password newpassword>
Mysql>
Method Two:
Use the user name and password provided directly in the [client] section of the/etc/mysql/debian.cnf file:
# mysql-udebian-sys-maint-p
Enter Password: < Enter the password for the [client] section >
mysql> UPDATE user SET Password=password (' NewPassword ') where user= ' root ';
mysql> FLUSH privileges;
Mysql> quit
# mysql-uroot-p
Enter Password: < Enter the newly set password newpassword>
Mysql>

MySQL ERROR 1045 (28000): Access denied for user workaround