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1. https://blog.csdn.net/wuyuegb2312/article/details/16359821 2. https://www.youtube.com/watch?v=YQ3Fep69CYM 阅读全文
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42.zip A 42 kb zip file that contains 4.5 Petabytes of uncompressed data. 阅读全文
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1. Type %0|%0 2. Save the file to your desktop as anything.bat 阅读全文
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1. 显示port 22 refused, 输入 apt get install openssh server就可以解决 2. 关闭ssh服务 service ssh stop 3. 可以用 service status all查看 阅读全文
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1. recovery mode E 2. ro rw 3. plus init=/bin/bash 4. passwd root 阅读全文
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![](https://images2018.cnblogs.com/blog/1310818/201804/1310818-20180422001535649-661899025.jpg) 阅读全文
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1. lsof i : 2. nmap 127.0.0.1 3. sudo netstat tunlp (不加sudo看不见PID) 4. gufw 参考 https://askubuntu.com/questions/9368/how can i see what ports are open o 阅读全文