Cannot connect to mongodb errno:61 Connection refused

Question

I recently installed mongodb-2.6.0 with Homebrew. After successfully installed, I tried to connect using the mongo command. I am receiving the following errors

Answer 1

For anyone who is here looking for the answer for this after your mac has updated to OS Catalina

run

brew services start mongodb-community

find more info here: https://medium.com/@semmons245/arghhhh-thanks-to-the-catalina-os-update-this-now-needs-changing-987f416ebcbe