Login to Mysql 5.7 + in command line and reset paassword

Logging in with command line
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When password is not set with the below method. always use `sudo mysql -u root -p` for the login prompt.
Unless password is not set, login won't work without sudo

Reset password instructions here
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https://stackoverflow.com/questions/16556497/how-to-reset-or-change-the-mysql-root-password/51023379#51023379

MYSQL-SERVER >= 5.7

    sudo mysql -uroot -p
    USE mysql;
    UPDATE user SET authentication_string=PASSWORD('YOUR_PASSWORD') WHERE User='root';
    UPDATE user SET plugin="mysql_native_password";
    FLUSH PRIVILEGES;
    quit;

MYSQL-SERVER < 5.7

    sudo mysql -uroot -p
    USE mysql;
    UPDATE user SET password=PASSWORD('YOUR_PASSWORD') WHERE User='root';
    UPDATE user SET plugin="mysql_native_password";
    FLUSH PRIVILEGES;
    quit;