Цены на нефть взлетели до максимума за полгода17:55
“魔法のつえ”が奪われた 最高裁Noで新たなトランプ関税は？
，详情可参考51吃瓜
20:02, 27 февраля 2026Наука и техника
先是春晚舞台上，具身智能机器人和 SeeDance 轮番秀肌肉，看得人眼花缭乱；苹果也在除夕当晚不声不响地发出了春季发布会邀请函。
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.