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Configure Grafana Agent in flow mode on macOS

To configure Grafana Agent in flow mode on macOS, perform the following steps:

  1. Edit the default configuration file at $(brew --prefix)/etc/grafana-agent-flow/config.river.

  2. Run the following command in a terminal to restart the Grafana Agent service:

    shell 
    brew services restart grafana-agent-flow

Configure the Grafana Agent service

Note: Due to limitations in Homebrew, customizing the service used by Grafana Agent on macOS requires changing the Homebrew formula and reinstalling Grafana Agent.

To customize the Grafana Agent service on macOS, perform the following steps:

  1. Run the following command in a terminal:

    shell 
    brew edit grafana-agent-flow

    This will open the Grafana Agent Homebrew Formula in an editor.

  2. Modify the service section as desired to change things such as:

    • The River configuration file used by Grafana Agent.
    • Flags passed to the Grafana Agent binary.
    • Location of log files.

    When you are done, save the file.

  3. Reinstall the Grafana Agent Formula by running the following command in a terminal:

    shell 
    brew reinstall grafana-agent-flow

  4. Restart the Grafana Agent service by running the command in a terminal:

    shell 
    brew services restart grafana-agent-flow

Expose the UI to other machines

By default, Grafana Agent listens on the local network for its HTTP server. This prevents other machines on the network from being able to access the UI for debugging.

To expose the UI to other machines, complete the following steps:

  1. Follow Configure the Grafana Agent service to edit command line flags passed to Grafana Agent, including the following customizations:

    1. Modify the line inside the service block containing --server.http.listen-addr=127.0.0.1:12345, replacing 127.0.0.1 with the address which other machines on the network have access to, like the network IP address of the machine Grafana Agent is running on.

      To listen on all interfaces, replace 127.0.0.1 with 0.0.0.0.