How to install Docker RPM Packages (Offline) on Oracle Linux 8 and create local docker registry
0In this video we are going to show How to install Docker Engine from rpm packages in Oracle Linux 8 Operating System.
Internet connection is needed to pull the images from docker hub.
1. Download the Docker Engine RPM packages for EL8
https://download.docker.com/linux/rhel/8/x86_64/stable/Packages/
2. Remove the Package conflicts otherwise installation fail.
dnf remove runc
3. Install the dependencies needed by Docker Engine.
4. Install the docker binaries and Enable docker engine.
rpm -ivh docker-compose-plugin docker-buildx-plugin docker-ce-cli containerd.io docker-ce-rootless-extras docker-ce
5. To run Docker without root privileges, see Run the Docker daemon as a non-root user (Rootless mode).
a. To create the docker group and add your user:
Create the docker group.
sudo groupadd docker
b. Add your user to the docker group.
sudo usermod -aG docker $USER
c. Log out and log back in so that your group membership is re-evaluated.
If you're running Linux in a virtual machine, it may be necessary to restart the virtual machine for changes to take effect.
You can also run the following command to activate the changes to groups:
newgrp docker
d. Verify that you can run docker commands without sudo.
docker run hello-world
This command downloads a test image and runs it in a container. When the container runs, it prints a message and exits.
6. Pull and Run Docker registry image latest
docker run -d -p 5000:5000 --restart=always --name registry registry:latest
7. Download any image you like and tag the image.
docker pull ubuntu:latest
docker tag ubuntu:latest localhost:5000/my-ubuntu:24
8. Push the image to local docker registry
docker push localhost:5000/my-ubuntu:24
9. Curl command.
curl localhost:5000/v2/_catalog
10. Docker images and containers and local registry location stored (/var/lib)
11. Now try yourself pulling the image from local registry.
docker pull localhost:5000/my-ubuntu:24
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