Upgrade docker on CentOS 7

Question

I\'m running centos 7 and have installed docker on host using epel packages:

yum install epel-release
yum install docker

But the docker version

Answer 1

Update to upgrade docker CentOS 7.4

sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux  docker-engine-selinux docker-engine
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce


sudo systemctl start docker
sudo systemctl enable docker
sudo systemctl status docker

Refer:

https://docs.docker.com/install/linux/docker-ce/centos/