1:L~$
1:L~$ mysql -uroot -p1
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 53
Server version: 5.5.57-0ubuntu0.14.04.1 (Ubuntu)
Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> \q
Bye
1:L~$
1:L~$ mysql -uroot -p12345
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
1:L~$
1:L~$
это неверно пароль.