Containers
Are Flatpak, et al., saving or drowning the Linux desktop? (Aug 2022)Desktop Linux will take off next year -- or so people have been saying for years. Do desktop containerization technologies like Flatpak make this more, or less, likely?
Categories: Linux, containers
Why you can't rely on system calls to obtain limits, when running an application in a container (Oct 2020)The notion of resource limits (on memory, CPU, etc) has never been very well-defined, and the use of container-based deployment makes the situation worse. This article describes why, and what can be done about it.
Categories: Linux, containers
Container from scratch: building a Linux container from the ground up (Oct 2020)Containers have become increasingly important for Linux developers and administrators. A number of frameworks like LXC, Docker, and Podman are now available to automate the management of containers. However, all these frameworks rely on similar kernel features, particularly control groups, namespaces, and virtual networks. This article demonstrates how to build a functional container from first principles, using only simple command-line tools. It's objective is to make clear all the details that the more sophisticated tools conceal.
Categories: Linux, containers
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