Solve Linux MySQL Change Password: ERROR 1133 (42000): Can not find any matching row in the user table

the SET password for root @localhost = password ( ' your password ' ); 
or 
the SET password for  ' root ' @ ' localhost ' = password ( ' MyNewPass4! ' );

Tip: mysql database command to change the root user password prompt ERROR 1133 (42000): Can not find any matching row in the user table error 
to solve:

use mysql;
select Host,User from user;

The reason: The main reason is to modify the password条件不否

• The set password for 'root'@'localhost'=password('MyNewPass4!'); code localhostmodification %, and database Hostfield values agree

  set password for 'root'@'%'=password('MyNewPass4!');

• Refresh

  flush privileges;

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