因此，今晚似乎无处不在，我的wordpress网站崩溃了，我已将其追溯到mysql问题。Mysql不会在服务器上启动，因为它一直在失败。
这是我从日志中得到的信息：
140226 08:54:11 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
140226 08:58:20 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
140226 8:58:20 [Note] Plugin 'FEDERATED' is disabled.
140226 8:58:20 InnoDB: The InnoDB memory heap is disabled
140226 8:58:20 InnoDB: Mutexes and rw_locks use GCC atomic builtins
140226 8:58:20 InnoDB: Compressed tables use zlib 1.2.3
140226 8:58:20 InnoDB: Using Linux native AIO
/usr/libexec/mysqld: Can't create/write to file '/dev/shm/mysql/ibOqUOjF' (Errcode: 2)
140226 8:58:20 InnoDB: Error: unable to create temporary file; errno: …