$ ll /usr/local/var/mysql/
total 221264
-rw-r--rwx  1 crmpicco  _mysql        56 21 Aug 22:09 auto.cnf
-rw----rwx  1 crmpicco  _mysql      1680 21 Aug 22:09 ca-key.pem
-rw-r--rwx  1 crmpicco  _mysql      1112 21 Aug 22:09 ca.pem
-rw-r--rwx  1 crmpicco  _mysql      1112 21 Aug 22:09 client-cert.pem
-rw----rwx  1 crmpicco  _mysql      1676 21 Aug 22:09 client-key.pem
-rw-r--rwx  1 crmpicco  _mysql       217 21 Aug 22:17 ib_buffer_pool
-rw-r--rwx  1 crmpicco  _mysql  50331648 21 Aug 22:17 ib_logfile0
-rw-r--rwx  1 crmpicco  _mysql  50331648 21 Aug 22:09 ib_logfile1
-rw-r--rwx  1 crmpicco  _mysql  12582912 21 Aug 22:17 ibdata1
-rw----rwx  1 crmpicco  _mysql      1676 21 Aug 22:09 private_key.pem
-rw-r--rwx  1 crmpicco  _mysql       452 21 Aug 22:09 public_key.pem
-rw-r--rwx  1 crmpicco  _mysql      1112 21 Aug 22:09 server-cert.pem
-rw----rwx  1 crmpicco  _mysql      1680 21 Aug 22:09 server-key.pem
CraigRMsMacBook:mysql crmpicco$ mysql.server start
Starting MySQL
... ERROR! The server quit without updating PID file (/usr/local/var/mysql/CraigRMsMacBook.pid).