Hey wieso kriege ich mysql nicht gestartet? Folgendes steht in den .err dateien:
180611 19:46:31 mysqld_safe Starting mysqld daemon with databases from /var/db/mysql
2018-06-11 19:46:31 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-06-11 19:46:31 0 [Note] /usr/local/libexec/mysqld (mysqld 5.6.27) starting as process 873 ...
2018-06-11 19:46:31 873 [Note] Plugin 'FEDERATED' is disabled.
2018-06-11 19:46:31 873 [Note] InnoDB: Using atomics to ref count buffer pool pages
2018-06-11 19:46:31 873 [Note] InnoDB: The InnoDB memory heap is disabled
2018-06-11 19:46:31 873 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2018-06-11 19:46:31 873 [Note] InnoDB: Memory barrier is not used
2018-06-11 19:46:31 873 [Note] InnoDB: Compressed tables use zlib 1.2.3
2018-06-11 19:46:31 873 [Note] InnoDB: Not using CPU crc32 instructions
2018-06-11 19:46:31 873 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2018-06-11 19:46:31 873 [Note] InnoDB: Completed initialization of buffer pool
2018-06-11 19:46:31 873 [Note] InnoDB: Highest supported file format is Barracuda.
2018-06-11 19:46:31 873 [Note] InnoDB: 128 rollback segment(s) are active.
2018-06-11 19:46:31 873 [Note] InnoDB: Waiting for purge to start
2018-06-11 19:46:31 873 [Note] InnoDB: 5.6.27 started; log sequence number 1625987
/usr/local/libexec/mysqld: Error on delete of './auto.cnf' (Errcode: 2 - No such file or directory)
2018-06-11 19:46:31 873 [Warning] World-writable config file './auto.cnf' has been removed.
2018-06-11 19:46:31 873 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 6045b19f-6d9f-11e8-a85a-08002752514b.
2018-06-11 19:46:31 873 [Note] Server hostname (bind-address): '*'; port: 3306
2018-06-11 19:46:31 873 [Note] IPv6 is available.
2018-06-11 19:46:31 873 [Note] - '::' resolves to '::';
2018-06-11 19:46:31 873 [Note] Server socket created on IP: '::'.
2018-06-11 19:46:31 873 [ERROR] Can't start server: Bind on TCP/IP port: Address already in use
2018-06-11 19:46:31 873 [ERROR] Do you already have another mysqld server running on port: 3306 ?
2018-06-11 19:46:31 873 [ERROR] Aborting
2018-06-11 19:46:31 873 [Note] Binlog end
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'partition'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'ARCHIVE'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_METRICS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_CMPMEM'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_CMP'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_LOCKS'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'INNODB_TRX'
2018-06-11 19:46:31 873 [Note] Shutting down plugin 'InnoDB'
2018-06-11 19:46:31 873 [Note] InnoDB: FTS optimize thread exiting.
2018-06-11 19:46:31 873 [Note] InnoDB: Starting shutdown...
2018-06-11 19:46:33 873 [Note] InnoDB: Shutdown completed; log sequence number 1625997
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'BLACKHOLE'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'MEMORY'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'MRG_MYISAM'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'MyISAM'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'CSV'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'sha256_password'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'mysql_old_password'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'mysql_native_password'
2018-06-11 19:46:33 873 [Note] Shutting down plugin 'binlog'
2018-06-11 19:46:33 873 [Note] /usr/local/libexec/mysqld: Shutdown complete
180611 19:46:33 mysqld_safe mysqld from pid file /var/db/mysql/rext.test.server.pid ended
Eventuell weiß ja jemand ne lösung 
besten dank!
