<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[VONLL的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/VONLL</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; VONLL]]></copyright><item><title><![CDATA[RHCSA — Linux 底层安全架构：用户与权限管理详解]]></title><link>https://blog.youkuaiyun.com/VONLL/article/details/170292750</link><guid>https://blog.youkuaiyun.com/VONLL/article/details/170292750</guid><author>VONLL</author><pubDate>Sun, 08 Nov 2026 18:28:44 +0800</pubDate><description><![CDATA[Linux 的底层安全架构依靠用户身份隔离和权限模型实现访问控制。熟练掌握用户、用户组、基础权限、特殊权限、ACL、文件扩展属性，既是 RHCSA 的核心考点，也是服务器安全加固最基础、最重要的手段。]]></description><category></category></item><item><title><![CDATA[20260922作业]]></title><link>https://blog.youkuaiyun.com/VONLL/article/details/166793653</link><guid>https://blog.youkuaiyun.com/VONLL/article/details/166793653</guid><author>VONLL</author><pubDate>Mon, 28 Sep 2026 20:15:43 +0800</pubDate><description><![CDATA[内核是操作系统。]]></description><category></category></item><item><title><![CDATA[python第三次作业]]></title><link>https://blog.youkuaiyun.com/VONLL/article/details/161983517</link><guid>https://blog.youkuaiyun.com/VONLL/article/details/161983517</guid><author>VONLL</author><pubDate>Sun, 14 Jun 2026 20:15:04 +0800</pubDate><description><![CDATA[python第三次作业]]></description><category></category></item><item><title><![CDATA[云计算第二次作业]]></title><link>https://blog.youkuaiyun.com/VONLL/article/details/161568777</link><guid>https://blog.youkuaiyun.com/VONLL/article/details/161568777</guid><author>VONLL</author><pubDate>Sun, 31 May 2026 16:29:39 +0800</pubDate><description><![CDATA[7. 假设列表对象aList的值为[3,4,5,6,7,9,11,13,15,17]，那么切片aList[3:7]得到的值是。3.小明身高1.75，体重80.5kg。请根据BMI公式（体重除以身高的平方）帮小明计算他的BMI指数，并根据BMI指数。8. 已知x=list(range(20))，那么表达式x[-1]的值为（D）。9. . 切片操作list(range(6))[::2]执行结果为（D）6. 表达式",".join(list)中list是列表类型。5. len(range(1，10))的值是。]]></description><category></category></item><item><title><![CDATA[云作业python1]]></title><link>https://blog.youkuaiyun.com/VONLL/article/details/161199614</link><guid>https://blog.youkuaiyun.com/VONLL/article/details/161199614</guid><author>VONLL</author><pubDate>Mon, 18 May 2026 18:15:49 +0800</pubDate><description><![CDATA[1.                                 2.                                  3.                                4.5.                                                   6.]]></description><category></category></item><item><title><![CDATA[OSPF 综合实验]]></title><link>https://blog.youkuaiyun.com/VONLL/article/details/157095925</link><guid>https://blog.youkuaiyun.com/VONLL/article/details/157095925</guid><author>VONLL</author><pubDate>Sun, 18 Jan 2026 13:27:15 +0800</pubDate><description><![CDATA[拓扑图拓扑图。]]></description><category></category></item></channel></rss>