# 'sudo service mysql stop'
# type this in your terminal or cmd
sudo /usr/sbin/mysqld --skip-grant-tables --skip-networking &
# then run this command
mysql -uroot

ALTER USER 'username'@'localhost' IDENTIFIED BY 'new_password';

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

# Step 1: Stop the MySQL server process
sudo service mysql stop
# Step 2: Start the MySQL server in safe mode
sudo mysqld_safe --skip-grant-tables &
# Step 3: Connect to the MySQL server as the root user
mysql -u root
# Step 4: Update the root user password
USE mysql;
UPDATE mysql.user SET authentication_string=PASSWORD('new_password') WHERE User='root';
FLUSH PRIVILEGES;
quit
# Step 5: Stop the MySQL server
sudo service mysql stop
sudo service mysql start

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ALTER USER 'root'@'localhost' IDENTIFIED BY 'my_password';