Can't run Docker after installation

Summary

Error: Failed to start docker.service: Unit not found.

Content

Hi,

I've installed docker on my linux compute but when I run the systemctl to start docker, its throws error

Failed to start docker.service: Unit not found.

The commands are as follows,

 

sudo yum -y update

sudo yum install -y docker

systemctl start docker

 

any ideas?

 

thanks