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The question of amending the root password error after installing Ubuntu mySQL

Reference books: "Python3 web crawler developed combat" in April 2018 the first edition 1.4.1

System: Ubuntu 18.04.2 LTS

Background: already installed mySQL, mySQL into the command line

command:

use mysql;

UPDATE user SET Password = PASSWORD('newpass') WHERE user = 'root';

FLUSH PRIVILEGES;

Error: 

ERROR 1054 (42S22): Unknown column 'Password' in 'field list'

 

the reason: 

Database mysq L in the Table the User password column column names were changed, and now the column named  authentication_string .

In turn enter the following command to view the user names listed in:

use mysql;

show tables;

describe user;

It can be seen in the description associated with the column (see below) output, and therefore to modify the commands to the following code:

UPDATE user SET authentication_string = PASSWORD('newpass') WHERE user = 'root'