Yesterday I was play around with MySQL on my Raspberry Pi 2 Server, I accidentally deleted the root user. did some research online, came up with the following blow post. so shared it to here, all the credit goes to the original author. http://edusagar.com/articles/view/56/MySQL-Restoring-accidently-deleted-root-user-password   Resetting the password for MySql root user: You need to…