Linux › Section Q · Virtualization › Topic Q.2
Containers: namespaces and cgroups
A container runs ordinary Linux processes, but with their own view of the filesystem, process list and network, and with limits on what they may consume. There is no second kernel: containers are built from kernel features this course has already met, assembled by tools such as Docker and Podman.
In this topic
- From chroot to containers
- Namespaces
- cgroups, layers and the image
- Docker and Podman
- Worked example: a first hands-on pass
- Building an image
- Container networking
- Worked example: a web server with saved data
- Housekeeping, LXC and Kubernetes
- Common mistakes to avoid
- Key takeaways
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