install docker 18 on centos rhel fedora code example
Example 1: install docker centos 8
dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
Example 2: centos start docker
systemctl start docker
dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
systemctl start docker