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朋友是江苏如皋人，她说小时候家里种的黑塌菜遍地都是，谁也没把它当回事。可如今，靠着冷链技术，这不起眼的“土菜”竟坐上飞机出了海，成了外国人餐桌上的稀罕物。还有哈尔滨，那片冰雪本是当地人习以为常的冬日，用好用足，叠加热情服务，乐了八方来客，连本地人也感慨“尔滨，你让我感到陌生”。绿水青山、冰天雪地都是金山银山，思想入心、思路出新，寻常风景也有新的价值坐标。，这一点在heLLoword翻译官方下载中也有详细论述
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.，这一点在同城约会中也有详细论述
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