how to push image to docker registry code example

Example 1: docker push image

$ docker tag rhel-httpd registry-host:5000/myadmin/rhel-httpd

$ docker push registry-host:5000/myadmin/rhel-httpd

Example 2: How to pull images from Docker Registry

docker pull ubuntu:14.04

docker pull ubuntu
docker pull fedora

NOTE:
Docker Hub contains many pre-built images that you can pull
docker pull <Image>:<tag>
docker pull <Image>