Docker on Windows Subsystem for Linux to play with RedHat 8

Ok, so this is kind of long but neat too!

A co-worker asked about using a Docker image for a project he’s working on and I suggested that he use the RedHat 7/8 based “Universal Base Image” that they announced at Summit. (Our company has a large installed base of RedHat, so there is a big advantage being to tap into that internal knowledge.)

–> https://www.redhat.com/en/blog/introducing-red-hat-universal-base-image

If you have a machine with Docker setup, then doing a pull of “registry.access.redhat.com/ubi8/ubi:latest” will pull down the RHEL-8 version.

–> $ docker run –rm -it registry.access.redhat.com/ubi8/ubi:latest /bin/bash

But I don’t have a Docker system, I only have Windows 10!” No fear, you can install Docker on Windows:

–> https://docs.docker.com/docker-for-windows/install/

From there you can kick off Docker from PowerShell or the command prompt with the exact same command prompt as shown above.

But I want to do this in a Linux environment on my Windows workstation!”  Use the “Windows Subsystem for Linux” feature of Windows 10:

–> https://medium.com/@sebagomez/installing-the-docker-client-on-ubuntus-windows-subsystem-for-linux-612b392a44c4

Here’s a screen shot of a RHEL-8 container running under WSL showing that “yum install …” works as expected:

And here it is running under PowerShell:

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