检验文件属性是否发生变化是验证文件系统完整性最直接、最简单的方法。最直观的方法就是比较入侵系统的文件大小和正常系统相对应的文件的大小是否一致，但是这种方法比较麻烦，效率也不高。本文介绍借助 Linux 系统中的 rpm 工具来检验文件系统的方法： 1. 比如这里以检验有关 ssh 的系统文件是否有...

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