Sign into your Lightsail server using SSH or the browser terminal.
Go to your WordPress directory using the following command:
cd /opt/bitnami/wordpressIf you don’t remember your username, you can list all users with this command:
sudo wp user listSimply reset the password using WP-CLI (replace “USERNAME” with your actual username and “NewPasswordHere” with what you want your new password to be.
sudo wp user update YOURUSERNAME --user_pass=NewPasswordHereNow go to your WordPress admin login and login using your new credentials.
https://yourdomain.com/wp-login.php