install mongoDB (child process failed, exited with error number 100)

Question

I tried to install mongoDB on my macbook air.

I\'ve downloaded zipped file from official website and extract that file and move to root directory. After that, under

Answer 1

The data folders you created were very likely created with sudo, yes? They are owned by root and are not writable by your normal user. If you are the only user of your macbook, then change the ownership of the directories to you:

sudo chown juneyoungoh /data
sudo chown juneyoungoh /data/db
sudo chown juneyoungoh /data/log

If you plan on installing this on a public machine or somewhere legit, then read more about mongo security practices elsewhere. I'll just get you running on your macbook.