What is the path of hosts file in Mac OS?
/private/etc/hosts
How to open for editing the hosts file in Mac OS?
Using nano:
sudo nano /private/etc/hosts
Using vim:
sudo vim /private/etc/hosts
How to edit the hosts file?
You can modify your hosts file in order to change the domain name system (DNS) for a domain on your computer.
What does this mean? You can make simple aliases point to your services. For example, I’m using my hosts file to resolve my local services.
127.0.0.1 mongodb
127.0.0.1 redis