20One container panics the host kernel and takes down forty neighbours. Where is the real isolation boundary, and what do you tighten first?▼hardNewCloudflareNVIDIADatabricks○ sign inNamespaces partition resources, not trust. This question finds the people who know which sysctls are namespaced, which ones change every tenant at once, and when only a second kernel will do.Open full answer →
32Containers share the host kernel. Which escape routes worry you most, and what reduces the risk?▼mediumNewRed HatNetflixCloudflare◆ premiumEscapes ride kernel bugs, privileged configuration and host mounts, not namespace magic. Cut the syscall and capability surface first, sandbox only what the trust boundary demands, and build nodes expecting compromise.Open full answer →