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Update rhel.md

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John Mulhausen 2016-10-04 15:24:14 -07:00 committed by GitHub
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engine/installation/linux/rhel.md
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@ -44,15 +44,15 @@ which also installs via the `yum` package manager.
### Install with yum ### Install with yum
1. Log into your machine as a user with `sudo` or `root` privileges. 1. Log into your machine as a user with `sudo` or `root` privileges.
2. Make sure your existing packages are up-to-date. 2. Make sure your existing packages are up-to-date.
```bash ```bash
$ sudo yum update $ sudo yum update
``` ```
3. Add the `yum` repo. 3. Add the `yum` repo.
```bash ```bash
$ sudo tee /etc/yum.repos.d/docker.repo <<-'EOF' $ sudo tee /etc/yum.repos.d/docker.repo <<-'EOF'
@ -65,19 +65,19 @@ which also installs via the `yum` package manager.
EOF EOF
``` ```
4. Install the Docker package. 4. Install the Docker package.
```bash ```bash
$ sudo yum install docker-engine $ sudo yum install docker-engine
``` ```
5. Enable the service. 5. Enable the service.
```bash ```bash
$ sudo systemctl enable docker.service $ sudo systemctl enable docker.service
``` ```
6. Start the Docker daemon. 6. Start the Docker daemon.
```bash ```bash
$ sudo systemctl start docker $ sudo systemctl start docker
@ -119,15 +119,15 @@ learn how to [customize your Systemd Docker daemon options](../../admin/systemd.
### Install with the script ### Install with the script
1. Log into your machine as a user with `sudo` or `root` privileges. 1. Log into your machine as a user with `sudo` or `root` privileges.
2. Make sure your existing packages are up-to-date. 2. Make sure your existing packages are up-to-date.
```bash ```bash
$ sudo yum update $ sudo yum update
``` ```
3. Run the Docker installation script. 3. Run the Docker installation script.
```bash ```bash
$ curl -fsSL https://get.docker.com/ | sh $ curl -fsSL https://get.docker.com/ | sh
@ -135,19 +135,19 @@ learn how to [customize your Systemd Docker daemon options](../../admin/systemd.
This script adds the `docker.repo` repository and installs Docker. This script adds the `docker.repo` repository and installs Docker.
4. Enable the service. 4. Enable the service.
```bash ```bash
$ sudo systemctl enable docker.service $ sudo systemctl enable docker.service
``` ```
5. Start the Docker daemon. 5. Start the Docker daemon.
```bash ```bash
$ sudo systemctl start docker $ sudo systemctl start docker
``` ```
6. Verify `docker` is installed correctly by running a test image in a container. 6. Verify `docker` is installed correctly by running a test image in a container.
```bash ```bash
$ sudo docker run hello-world $ sudo docker run hello-world
@ -173,25 +173,25 @@ makes the ownership of the Unix socket read/writable by the `docker` group.
To create the `docker` group and add your user: To create the `docker` group and add your user:
1. Log into your machine as a user with `sudo` or `root` privileges. 1. Log into your machine as a user with `sudo` or `root` privileges.
2. Create the `docker` group. 2. Create the `docker` group.
```bash ```bash
$ sudo groupadd docker $ sudo groupadd docker
``` ```
3. Add your user to `docker` group. 3. Add your user to `docker` group.
```bash ```bash
$ sudo usermod -aG docker your_username` $ sudo usermod -aG docker your_username`
``` ```
4. Log out and log back in. 4. Log out and log back in.
This ensures your user is running with the correct permissions. This ensures your user is running with the correct permissions.
5. Verify that your user is in the docker group by running `docker` without `sudo`. 5. Verify that your user is in the docker group by running `docker` without `sudo`.
```bash ```bash
$ docker run hello-world $ docker run hello-world
@ -209,7 +209,7 @@ $ sudo systemctl enable docker
You can uninstall the Docker software with `yum`. You can uninstall the Docker software with `yum`.
1. List the installed Docker packages. 1. List the installed Docker packages.
```bash ```bash
$ yum list installed | grep docker $ yum list installed | grep docker
@ -217,7 +217,7 @@ You can uninstall the Docker software with `yum`.
docker-engine.x86_64 1.7.1-0.1.el7@/docker-engine-1.7.1-0.1.el7.x86_64 docker-engine.x86_64 1.7.1-0.1.el7@/docker-engine-1.7.1-0.1.el7.x86_64
``` ```
2. Remove the package. 2. Remove the package.
```bash ```bash
$ sudo yum -y remove docker-engine.x86_64 $ sudo yum -y remove docker-engine.x86_64
@ -226,7 +226,7 @@ You can uninstall the Docker software with `yum`.
This command does not remove images, containers, volumes, or user-created This command does not remove images, containers, volumes, or user-created
configuration files on your host. configuration files on your host.
3. To delete all images, containers, and volumes, run the following command: 3. To delete all images, containers, and volumes, run the following command:
```bash ```bash
$ rm -rf /var/lib/docker $ rm -rf /var/lib/docker