NamespaceWhat it isolatesWhat the process seesPIDProcess IDsOwn process tree, starts at PID 1MountFilesystem mount pointsOwn mount table, can have different rootNetworkNetwork interfaces, routingOwn interfaces, IP addresses, portsUserUID/GID mappingCan be root inside, nobody outsideUTSHostnameOwn hostnameIPCSysV IPC, POSIX message queuesOwn shared memory, semaphoresCgroupCgroup root directoryOwn cgroup hierarchyTimeSystem clocks (monotonic, boot)Own system uptime and clock offsetsNamespaces are what Docker containers use. When you run a container, it gets its own PID namespace (cannot see host processes), its own mount namespace (own filesystem view), its own network namespace (own interfaces), and so on.
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Qualcomm says the first 6G applications will be in consumer testing by the time of the Los Angeles Olympics in 2028. By 2029, rollouts will begin. Many are still getting their heads around applied AI, and in the U.K., where I live, 5G is still spotty and drops out whenever on the train. Mobile World Congress is a gathering of thousands of people all focused on the possibilities of an AI-enabled future. How it works out will take the brainpower of many millions more.