mirror of https://github.com/docker/docs.git
Add step to configure devicemapper before starting daemon
Signed-off-by: Matt Bentley <matt.bentley@docker.com>
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@ -63,27 +63,31 @@ to update its RHEL kernel.
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$ sudo yum install docker-engine
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```
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6. Enable the Docker daemon as a service and start it.
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6. Configure devicemapper:
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By default, the `devicemapper` graph driver does not come pre-configured in a production ready state. Follow the documented step by step instructions to [configure devicemapper with direct-lvm for production](../../engine/userguide/storagedriver/device-mapper-driver/#/for-a-direct-lvm-mode-configuration) in order to achieve the best performance and reliability for your environment.
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7. Enable the Docker daemon as a service and start it.
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```bash
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$ sudo systemctl enable docker.service
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$ sudo systemctl start docker.service
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```
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7. Confirm the Docker daemon is running:
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8. Confirm the Docker daemon is running:
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```bash
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$ sudo docker info
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```
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8. Optionally, add non-sudo access to the Docker socket by adding your user
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9. Optionally, add non-sudo access to the Docker socket by adding your user
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to the `docker` group.
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```bash
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$ sudo usermod -a -G docker $USER
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```
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9. Log out and log back in to have your new permissions take effect.
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10. Log out and log back in to have your new permissions take effect.
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## Install on Ubuntu 14.04 LTS
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