I have completed the tutorials for initial setup of the Ubuntu 16.04 server, LAMP, and Secure Apache with Let's Encrypt. I was able to log in one time. After I lost my connection through bad wifi my terminal froze. I ...

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) Using Debian: I have uninstalled and reinstalled mysql using apt-get remove --purge mysql*, then reinstalled. Running mysqlsecureins...