The command `sudo dockerd` is used to start the **Docker...

August 26, 2025 at 08:35 PM

sudo dockerd

The command sudo dockerd is used to start the Docker daemon (the core service of the Docker platform) with elevated permissions using sudo.

How it works:

  1. sudo:

    • Executes the dockerd command with superuser privileges.
    • This is usually required because Docker needs access to system resources (like networking, file systems, etc.) that generally require administrative permissions.
  2. dockerd:

    • Refers to the Docker daemon binary, which is responsible for managing Docker containers, images, networks, and volumes.
    • The daemon runs as a background process and listens for API requests (e.g., to start or stop containers, pull images, etc.).
    • Once started, the daemon enables interaction with Docker through the Docker CLI or API.

In summary:

The code starts the Docker daemon while ensuring it has the necessary permissions to manage Docker resources and containers. This command is often run to manually start the Docker service if it is not automatically started.

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