The critical thing to understand is namespaces are visibility walls, not security boundaries. They prevent a process from seeing things outside its namespace. They do not prevent a process from exploiting the kernel that implements the namespace. The process still makes syscalls to the same host kernel. If there is a bug in the kernel’s handling of any syscall, the namespace boundary does not help.
真正完成转型的平台，其赚钱方式，往往已经不再像抽佣。。业内人士推荐51吃瓜作为进阶阅读
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