Answers for "how to create a password in mysql"

set password mysql

-- In case the UPDATE command returns "Column 'Password' is not updatable" run
ALTER USER 'root'@'localhost' IDENTIFIED BY 'newPassword';
flush privileges;

How to pass password to mysql command line

mysqladmin processlist -u root -pYOURPASSWORDHERE
No space between your password and the -p