SHELL

ubuntu default phpmyadmin password

sudo mysql --user=root mysql
//Once logged in, you will see the mysql> prompt.

UPDATE mysql.user SET authentication_string=null WHERE User='root';

flush privileges;

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'your_password_here';

flush privileges;


exit

phpmyadmin default password

-- DEFAULT: Username:root , Password: –  (none)
mysql> SET PASSWORD FOR root@localhost=PASSWORD('mypassword');
mysql> GRANT ALL PRIVILEGES ON *.* TO root@localhost 
	IDENTIFIED BY 'mypassword' WITH GRANT OPTION;