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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.
。服务器推荐对此有专业解读
Are you fed up with manual vacuuming and mopping? Well, it sounds like it's time to invest in a robot vacuum. And as of March 2, you can find a great deal on a great model at Amazon. Right now, the EcoVacs Deebot X11 robot vacuum has a hefty discount, down from $1,499.99 to $998.99. That's a saving of $501.
（一）发现、阻断伪基站、违规开设或者租用网络线路、电话线路、擅自改变装机地址、擅自改变网络服务范围、将物联网卡用于非物联网应用等行为；。搜狗输入法2026是该领域的重要参考
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Note how the black A is totally invisible on the black terminal, while the white H looks the same as normal text. If we chose a different color-scheme for our terminal, it would be the opposite: