Ivan Velichko Avatar

Ivan Velichko

Software Engineer

Stuttgart · Twitter · GitHub · LinkedIn · Website

Ivan Velichko iximiuz.com

DevOps, SRE, and Platform Engineering

Ivan Velichko:

I compiled this thread on Twitter, and all of a sudden, it got quite some attention. So here, I’ll try to elaborate on the topic a bit more. Maybe it would be helpful for someone trying to make a career decision or just improve general understanding of the most hyped titles in the industry.

Titles come and go, and it’s worth knowing which ones are coming and which ones are going. This article is a good place to catch up if you haven’t been tracking. Oh, and there’s a pod for that too. 😉

Ivan Velichko micromind.me

From Docker container to bootable Linux disk image

If you’d like to follow along with someone who “has no idea what they’re doing” to learn how to take a base Docker image made with a single line Dockerfile FROM debian:latest and convert it to something launch-able, then read on…

…messing about with things like this is the only way to gain extra knowledge of any system internals. We are going to speak Docker and Linux here. What if we want to take a base Docker image, I mean really base, just an image made with a single line Dockerfile like FROM debian:latest, and convert it to something launchable on a real or virtual machine? In other words, can we create a disk image having exactly the same Linux userland a running container has and then boot from it?

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