Lỗi không bật được mysqld

Bác nào giúp em với, website tự dung không kết nối cơ sở dữ liệu được, kiểm tra lỗi không thấy file mysql.sock . kiểm tra file log báo :


151029 09:50:51 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
151029 9:50:51 [Warning] 'THREAD_CONCURRENCY' is deprecated and will be removed in a future release.
151029 9:50:51 [Note] /usr/libexec/mysqld (mysqld 5.5.46-log) starting as process 5369 ...
151029 9:50:51 [Note] Plugin 'FEDERATED' is disabled.
151029 9:50:51 InnoDB: The InnoDB memory heap is disabled
151029 9:50:51 InnoDB: Mutexes and rw_locks use GCC atomic builtins
151029 9:50:51 InnoDB: Compressed tables use zlib 1.2.3
151029 9:50:51 InnoDB: Using Linux native AIO
151029 9:50:51 InnoDB: Initializing buffer pool, size = 128.0M
151029 9:50:51 InnoDB: Completed initialization of buffer pool
151029 9:50:51 InnoDB: highest supported file format is Barracuda.
151029 9:50:51 InnoDB: Waiting for the background threads to start
151029 9:50:52 InnoDB: 5.5.46 started; log sequence number 18830912
151029 9:50:52 [ERROR] /usr/libexec/mysqld: unknown option '
151029 9:50:52 [ERROR] Aborting

151029 9:50:52 InnoDB: Starting shutdown...
151029 9:50:53 InnoDB: Shutdown completed; log sequence number 18830912
151029 9:50:53 [Note] /usr/libexec/mysqld: Shutdown complete

151029 09:50:53 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended

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