详情如下:
$ cat /usr/local/mysql/data/Phoenix-slow.log cat: /usr/local/mysql/data/Phoenix-slow.log: Permission denied
解决方法:修改权限
$ sudo chown -R _mysql:staff /usr/local/mysql/data
参考:https://stackoverflow.com/questions/36621026/mysql-not-launching-data-user-local-err-permission-denied