Mysqlホスト名の変更

[mysql@master ~]$ /etc/init.d/mysql restart
MySQL server PID file could not be found!                  [FAILED]
Starting MySQL..^[[A.......................................[FAILED]....................................................
.The server quit without updating PID file (/usr/local/mysql5.6/data/master.pid).
[mysql@master ~]$ /etc/init.d/mysql restart

mysql        ,  kill