目录概述linux（来自实际操作）1.查看防火墙状态2.查询指定端口是否已开启3. 添加指定需要开放的端口4.查看想开的端口是否已开5.扩展命令Windows概述
I\'m having a problem with this jQuery function, the portion of the function that renames the id, class and name of the dropdown only works for the first dropdown, subsequent ones do not work, any ide
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