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Method 1: Installing Homebrew in macOS. The command ‘ apt-get ‘ is intended for installing packages on Linux systems. Homebrew is the equivalent for the Mac. It is the package manager that most people feel comfortable with using it. Homebrew installs packages to their own directory and then symbolic links their files into /user/local. Today I’ll try to install Haskell on one of my macOS computers — the old High Sierra. Note you need to be a registered Apple developer to install Command Line Tools. Follow the instructions on. Homebrew is a package managing tool. It’s more popular on Linux but is also used extensively on macOS. In fact, for apps that install as packages, Homebrew is the easiest way to remove them. Here’s how you can install Homebrew on macOS Catalina. In order to install Homebrew on macOS Catalina, you must have Xcode installed.

I had to reconfigure my Macbook after sending it for repairs. During the reconfiguration period, I noticed the instructions I linked to in “Setting up a local MongoDB connection” were outdated.

Here’s an updated version on how to install MongoDB on a Mac.

Brew Command Not Found Macos Catalina Os

There are a few steps:

First, you install Homebrew. If you’re curious about what Homebrew is, read this article.

Second, find the MongoDB tap.

Third, install MongoDB.

MongoDB is now installed on your computer.

Preparations (Before MacOS Catalina)

Before you can use MongoDB, you need to create a /data/db folder on your computer to use MongoDB. You can create this folder with the following command:

You also need to give permissions to use it:

Now you can follow the rest of the article to set up your MongoDB connection.

Preparations (MacOS Catalina onwards)

Apple created a new Volume in Catalina for security purposes. If you’re on Catalina, you need to create the /data/db folder in System/Volumes/Data.

Use this command:

Then, use this command to give permissions:

Using MongoDB

In the past, I can run the mongod command to start MongoDB. This no longer works out for the box from MongoDB v4.2.3 onwards.

The best way to start MongoDB now is via brew services.

Starting MongoDB

Use this command:

MongoDB will start as a background service. Here’s what you’ll see:

You can use start instead of run. start will start MongoDB automatically when you login into your Macbook. I prefer run since I don’t want MongoDB to be running all the time.

Checking if MongoDB is running

Use this command:

Homebrew will list all running services. If MongoDB is running, mongodb-community will have a status set to started.

The Mongo Shell

If MongoDB is running, you should be able to access the Mongo shell with the mongo command.

Stopping MongoDB

Use this command:

Homebrew will stop MongoDB and let you know.

Aliases to make these easier

It’s a chore typing brew services run mongodb-community every time I want to start MongoDB.

How To Install Homebrew On Macos Catalina

I created some aliases to make things easier for me. Here are my aliases:

Zsh Command Not Found Brew Macos Catalina

What’s next?

If you haven’t already, you should learn how to set up a local MongoDB connection.

If you enjoyed this article, please tell a friend about it! Share it on Twitter. If you spot a typo, I’d appreciate if you can correct it on GitHub. Thank you!