MAMP cannot start Mysql Server

Question

My computer has been installed with mysql before. Yesterday I deleted the original mysql to install mamp. ​​According to the Internet, it may be that mysql was not deleted cleanly, causing mamp to be unable to start the mysql service. I would like to ask how to delete it cleanly. mysql? And I followed the command lines of many online tutorials to delete it, and the terminal showed that this file no longer exists.

Answer 1

The port number is occupied?

Answer 2

lsof -i tcp:3306

Check to see if the original mysql has not been stopped, if there is output above. Just kill the PID: kill -9 PID