The entire installation of Docker on Fedora Linux consists of four simple to follow steps:
  1. Install Docker package
  2. Start docker service
  3. Confirm that docker started correctly
  4. Enable docker to start after reboot
Let's start by the actual docker installation on Fedora Linux.
# yum install docker
The above yum command will install docker package and make the service available to start. Once you have performed the docker installation start docker service:
# service docker start     
Redirecting to /bin/systemctl start  docker.service
At this stage we need to confirm that docker started correctly. Run the below docker command to see a detailed information about your docker installation. Your output will vary:
# docker info
Containers: 0
Images: 0
Storage Driver: devicemapper
 Pool Name: docker-253:1-299032-pool
 Pool Blocksize: 65.54 kB
 Backing Filesystem: extfs
 Data file: /dev/loop0
 Metadata file: /dev/loop1
 Data Space Used: 305.7 MB
 Data Space Total: 107.4 GB
 Metadata Space Used: 729.1 kB
 Metadata Space Total: 2.147 GB
 Udev Sync Supported: true
 Data loop file: /var/lib/docker/devicemapper/devicemapper/data
 Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
 Library Version: 1.02.90 (2014-09-01)
Execution Driver: native-0.2
Kernel Version: 3.17.4-301.fc21.x86_64
Operating System: Fedora 21 (Twenty One)
CPUs: 1
Total Memory: 993.8 MiB
Name: localhost.localdomain
Additionally to further confirm your Docker installation create your first docker container. The below command will create a new Fedora Linux container.:
]# docker run -i -t fedora /bin/bash
Unable to find image 'fedora:latest' locally
Pulling repository fedora
834629358fe2: Downloading 78.94 MB
834629358fe2: Download complete 
00a0c78eeb6d: Download complete 

Status: Downloaded newer image for fedora:latest

Run exit command in order to exit from you new Fedora container. Lastly, we need to enable docker service to start after reboot:
# systemctl enable docker
Created symlink from /etc/systemd/system/ to /usr/lib/systemd/system/docker.service.
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