Reference: [original website, official tutorial]
1. Install Docker on RHEL/CentOS/Fedora
In brief, you can install Docker and start the service with the following commands:
sudo yum install docker-ce -y # install docker package
sudo service docker start # start docker service
chkconfig docker on # start-up automatically
FAQ
If your SELinux and BTRFS are on working, you may meet an error message as follow:
# systemctl status docker.service -l
...
SELinux is not supported with the BTRFS graph driver!
...
Modify /etc/sysconfig/docker as follow:
# Modify these options if you want to change the way the docker daemon runs
#OPTIONS='--selinux-enabled'
OPTIONS=''
...
Restart your docker service
Storage Issue:
Error message found in /var/log/upstart/docker.log
[graphdriver] using prior storage driver \"btrfs\"...
Just delete directory /var/lib/docker and restart the Docker service
2. Install Docker on Ubuntu/Debian
Generally, you can add the repository and execute
sudo apt-get install docker-ce
Both Debian Series and RHEL Series can be controlled by
sudo service docker start # stop, restart, ...
Once you started your service, you would find a socket file /var/run/docker.sock, and then you are able to execute your docker commands.