Container Internals and Runtime Engineering

Namespaces, The Isolation Illusion

Two containers on the same host can have a process with PID 1. Both think they're the only thing running. Neither can see the other. How?

The concept and how it works

Coming soon.

Kernel and runtime level detail

Coming soon.

Practical examples and commands

Coming soon.

Common mistakes

Coming soon.

INTERVIEW QUESTION

Walk me through each Linux namespace type and what it isolates. Which one is the most security-sensitive and why?