Starting MySQL... ERROR! The server quit without updating PID file (/usr/local/mysql/data/localhost.localdomain.pid.)

/usr/local/mysql/data/localhost.localdomain.pid.

#에러로그 확인

/usr/local/mysql/data/localhost.localdomain.err 

# yum이 설치되어 있었다. 3306 포트를 사용된 문제

[ERROR] Can't start server: Bind on TCP/IP port: Address already in use
[ERROR] Do you already have another mysqld server running on port: 3306 ?
[ERROR] Aborting
 

yum remove mysql* 

/usr/local/mysql/data/localhost.localdomain.pid.