Linux Handbook

Docker's core runs as a "system daemon" i.e. as a daemon executed by the root user. Red Hat unveiled Podman as an alternative to Docker in 2018. The advantage of using Podman is visible here. Podman does not have a daemon running, and certainly doesn't have any strict requirements for root access.

Podman vs Docker: What's the Difference?

Hacker News

A new ChatGPT assistant made by OpenAI can be built inside a virtual machine. The virtual machine is locked inside the root directory of a Linux machine. We can chat with this Assistant chatbot, locked in the alt-internet attached to avirtual machine.

Building A Virtual Machine inside ChatGPT

TestDriven.io

A Dockerfile is essentially a list of commands in the following form: INSTRUCTION arguments. The majority of the most widely used commands can be seen in the above Dockerfile. The number tells you which version of the technology the image uses (e.g., the python:3.11.0a5image uses Python:alpine)

Docker for Beginners

A virtual machine is a software emulation of a physical computer that runs an operating system and applications. It allows multiple operating systems to run concurrently on the same hardware, providing isolation, flexibility, and portability for running diverse workloads. Readers can explore how virtual machines enable organizations to consolidate server infrastructure, improve resource utilization, and deploy and manage applications in isolated and controlled environments with virtualization technologies like VMware, Hyper-V, and KVM.

Best of Virtual Machine — 2022