Deep runtime internals, memory models, distributed design, concurrency failure modes, and architectural decisions.
dockerd): Exposes the high-level API, manages images, networks, volumes, and handles authentication.dockerd or containerd restarts, preventing container termination.runc binary during a docker exec execution, allowing arbitrary host execution upon subsequent runc invocations./sys/fs/cgroup directory. By changing the working directory to /proc/self/fd/[ID], a process could escape the container root directory during initialization.--user (non-root), drop dangerous capabilities, and enforce strict AppArmor/Seccomp profiles./etc/subuid and /etc/subgid files, which define blocks of subordinate UIDs/GIDs allocated to users:dockersub:100000:65536 grants the user dockersub 65,536 system UIDs starting at 100000.eth0.veth....veth interface is attached to a virtual bridge interface (like docker0). The bridge switches the packet to the host network stack.iptables (the MASQUERADE target), which rewrites the packet’s source IP from the container's private IP to the host's physical network IP.eth0) to the physical gateway.You've completed the 5 free sample questions. Get unrestricted lifetime access to every question, model answer, implementation challenge, and all 27+ technologies for a single payment.
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