Understanding Containers: How Namespaces, Cgroups etc. work

" summary

Hands-on exploration of how Linux kernel features create containers by using command-line tools to build one in the shell. Covers namespaces, cgroups, chroot/pivot_root, overlay filesystems, network namespaces, and mounts, with examples applicable to Docker, LXC, systemd-nspawn, rkt, Swarm, and Kubernetes.

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