mysql报Can'tcreate/writetofile'/tmp/ib0n3frL'(Errcode:13-Permissiondenied)

初始化数据库报错

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[root@Master MySQL-5.6.24]# /usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

Installing MySQL system tables...2017-04-03 19:52:21 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).

2017-04-03 19:52:21 0 [Note] /usr/local/mysql/bin/mysqld (mysqld 5.6.24) starting as process 7918 ...

2017-04-03 19:52:21 7918 [Note] InnoDB: Using atomics to ref count buffer pool pages

2017-04-03 19:52:21 7918 [Note] InnoDB: The InnoDB memory heap is disabled

2017-04-03 19:52:21 7918 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins

2017-04-03 19:52:21 7918 [Note] InnoDB: Memory barrier is not used

2017-04-03 19:52:21 7918 [Note] InnoDB: Compressed tables use zlib 1.2.3

2017-04-03 19:52:21 7918 [Note] InnoDB: Using CPU crc32 instructions

/usr/local/mysql/bin/mysqld: Can't create/write to file '/tmp/ib0n3frL' (Errcode: 13 - Permission denied)

2017-04-03 19:52:21 7fce976e27e0  InnoDB: Error: unable to create temporary file; errno: 13

2017-04-03 19:52:21 7918 [ERROR] Plugin 'InnoDB' init function returned error.

2017-04-03 19:52:21 7918 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.

2017-04-03 19:52:21 7918 [ERROR] Unknown/unsupported storage engine: InnoDB

2017-04-03 19:52:21 7918 [ERROR] Aborting

2017-04-03 19:52:21 7918 [Note] Binlog end

2017-04-03 19:52:21 7918 [Note] /usr/local/mysql/bin/mysqld: Shutdown complete

报/tmp没有权限

解决办法：

chmod 777 /tmp

再执行初始