警告当启动命令mongo

我的服务器运行在Ubuntu 16.04上,Nginx。

当我在服务器上input命令mongo ,我有这个警告:

 Server has startup warnings: 2016-07-31T16:59:14.390+0200 I CONTROL [initandlisten] 2016-07-31T16:59:14.391+0200 I CONTROL [initandlisten] ** WARNING: Cannot detect if NUMA interleaving is enabled. Failed to probe "/sys/devices/system/node/node1": Permission denied 2016-07-31T16:59:14.391+0200 W CONTROL [initandlisten] 2016-07-31T16:59:14.391+0200 W CONTROL [initandlisten] Failed to probe "/sys/kernel/mm/transparent_hugepage": Permission denied 2016-07-31T16:59:14.391+0200 W CONTROL [initandlisten] 2016-07-31T16:59:14.391+0200 W CONTROL [initandlisten] Failed to probe "/sys/kernel/mm/transparent_hugepage": Permission denied 2016-07-31T16:59:14.391+0200 I CONTROL [initandlisten] 

你知道为什么吗 ?

当我在/etc/mongod.conf中添加安全授权时,我解决了我的问题:

 security: authorization: enabled 

我没有警告了。