Virtualization
Docker
Published articles in Virtualization / Docker.
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Docker networking
Docker connects containers with bridge networks, veth pairs, and drivers. This page covers compose-style networking; the Linux host stack—iproute2, nftables, and interface naming—is in the Linux networking chapter.
Docker Volumes
Containers have a "scratch space" that allows you to store files only temporarily, meaning as long as the container is running. But once the container stopped the data is gone.
Installing Docker
Docker Toolbox is outdated and I won't describe it in this article, but it used to be the only option for Windows 7/8 users in the past. It includes Docker Client, Docker Compose, Docker Kitematic…
Managing Docker containers
Run docker inspect <container> to check it. The result could be:
Managing Docker images
An image actually consists of many images, aka image layers. The main reasons being that those can be cached and thus don't have to be rebuild every time you create an image.
Docker Compose
The basic idea behind Docker Compose is to save you a lot of typing when creating, configuring, stopping, rebuilding or inspecting your containers. We create a docker-compose,yml file to define our…
Docker overview
Docker packages applications as images and runs them as isolated containers on a shared Linux kernel. This overview covers terminology and workflows; namespaces, cgroups, and when to prefer VMs are in the Linux OS series.