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Merge pull request #7261 from docker/bermudezmt-patch-3 

Formatting and grammar updates
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Tammy Fox 2018-08-24 16:17:16 -04:00 committed by GitHub
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install/linux/linux-postinstall.md
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@ -12,19 +12,20 @@ better with Docker.
## Manage Docker as a non-root user ## Manage Docker as a non-root user
The `docker` daemon binds to a Unix socket instead of a TCP port. By default The Docker daemon binds to a Unix socket instead of a TCP port. By default
that Unix socket is owned by the user `root` and other users can only access it that Unix socket is owned by the user `root` and other users can only access it
using `sudo`. The `docker` daemon always runs as the `root` user. using `sudo`. The Docker daemon always runs as the `root` user.
If you don't want to use `sudo` when you use the `docker` command, create a Unix If you don't want to preface the `docker` command with `sudo`, create a Unix
group called `docker` and add users to it. When the `docker` daemon starts, it group called `docker` and add users to it. When the Docker daemon starts, it
makes the ownership of the Unix socket read/writable by the `docker` group. creates a Unix socket accessible by members of the `docker` group.
> **Warning**: > Warning
>
> The `docker` group grants privileges equivalent to the `root` > The `docker` group grants privileges equivalent to the `root`
> user. For details on how this impacts security in your system, see > user. For details on how this impacts security in your system, see
> [*Docker Daemon Attack Surface*](/engine/security/security.md#docker-daemon-attack-surface). > [*Docker Daemon Attack Surface*](/engine/security/security.md#docker-daemon-attack-surface).
{:.warning} {: .warning}
To create the `docker` group and add your user: To create the `docker` group and add your user:
@ -141,9 +142,9 @@ By default, the Docker daemon listens for connections on a UNIX socket to accept
Configuring Docker to accept remote connections can be done with the `docker.service` systemd unit file for Linux distributions using systemd, such as recent versions of RedHat, CentOS, Ubuntu and SLES, or with the `daemon.json` file which is recommended for Linux distributions that do not use systemd. Configuring Docker to accept remote connections can be done with the `docker.service` systemd unit file for Linux distributions using systemd, such as recent versions of RedHat, CentOS, Ubuntu and SLES, or with the `daemon.json` file which is recommended for Linux distributions that do not use systemd.
> systemd vs `daemon.json` > systemd vs daemon.json
> >
> Configuring docker to listen for connections using both the systemd unit file and the daemon.json > Configuring Docker to listen for connections using both the `systemd` unit file and the `daemon.json`
> file causes a conflict that prevents Docker from starting. > file causes a conflict that prevents Docker from starting.
### Configuring remote access with `systemd` unit file ### Configuring remote access with `systemd` unit file