在 macbook 上安装 mongo shell 时出错：尝试在只读目录上创建锁定文件

Question

两天以来我一直在尝试安装 mongo shell，但我遇到了同样的错误，该错误在任何帖子中都没有解决。已经看过很多关于这个的教程，但它并不富有成效。我希望有人能把我带回赛道。提前致谢。

2017-08-01T00:46:18.842+0530 I CONTROL  [init and listen] MongoDB starting : pid=28050 port=27017 dbpath=/data/db 64-bit host=Salonis-MacBook-Pro-2.local
2017-08-01T00:46:18.842+0530 I CONTROL  [init and listen] db version v3.4.6
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen] git version: c55eb86ef46ee7aede3b1e2a5d184a7df4bfb5b5
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen] OpenSSL version: OpenSSL 0.9.8zh 14 Jan 2016
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen] allocator: system
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen] modules: enterprise 
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen] build environment:
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen]     distarch: x86_64
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen]     target_arch: x86_64
2017-08-01T00:46:18.843+0530 I CONTROL  [init and listen] options: {}
2017-08-01T00:46:18.867+0530 I STORAGE  [init and listen] exception in initAndListen: 20 Attempted to create a lock file on a read-only directory: /data/db, terminating
2017-08-01T00:46:18.867+0530 I NETWORK  [init and listen] shutdown: going to close listening sockets...
2017-08-01T00:46:18.867+0530 I NETWORK  [init and listen] shutdown: going to flush dialog...
2017-08-01T00:46:18.867+0530 I CONTROL  [init and listen] now exiting
2017-08-01T00:46:18.867+0530 I CONTROL  [init and listen] shutting down with code:100

Answer 1

只需输入$ sudo mongod

然后控制台显示waiting for connections of 27017

参考是https://scotch.io/tutorials/an-introduction-to-mongodb