Installation of Docker in Centos 7

Installation of Docker CE (community Edition) in a freshly installed Centos 7 is an easy process. Follow the steps below.

• Remove all existing docker packages.
• Install the prerequisite and suggested packages.
• Down load yum client repository file for docker
• Install Docker CE RPMS
• Start Docker Service

Remove all existing docker packages. It is recommend to do for a freshly installed Centos 7 machine.

# yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine

Install the prerequisite and suggested packages.

# yum update
# yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2

Down load yum client repository file for docker

# yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

Install Docker CE RPMS

# yum install docker-ce docker-ce-cli containerd.io

Start Docker service

# systemctl start docker
# systemctl enable docker

Disclaimer:

This setup is done in a test environment. It is suggested to test thoroughly to before you implement in production environment. More read..

Get Docker CE for CentOS