Install Grafana Agent on macOS

Install Grafana Agent and get it up and running on macOS.

Overview

Use Homebrew to install the most recent released version of Grafana using the Homebrew package. You can also install Grafana Agent on macOS using the macOS binary.

Steps

Open a terminal and enter:
```
brew update
brew install grafana-agent
```
The brew page downloads and enters the files into:

/usr/local/Cellar/grafana-agent/[version] (Homebrew v2)
/opt/homebrew/Cellar/grafana-agent/[version] (Homebrew v3)

Start Grafana Agent using the command:
brew services start grafana-agent
The Grafana Agent configuration file can be found at $(brew --prefix)/etc/grafana-agent/config.yml.
Enter the following command to upgrade Grafana Agent:
brew upgrade grafana-agent.