一些非常好的技术学习网站

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web安全类
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http://www.storysec.com/security/websec/page/6 dvwa
https://www.freebuf.com/articles/web/120747.html dvwa
https://www.freebuf.com/author/lonehand DVWA
http://www.91ri.org/category/anquan/web-security
https://blog.51cto.com/zhpfbk
https://www.freebuf.com/sectool/164608.html sqlmap
https://blog.csdn.net/fly_hps/article/details/80260302 web安全面试题

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SqlMap 工具
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https://blog.csdn.net/u011781521/article/category/6504894 sql map 基础
https://blog.csdn.net/fly_hps/article/category/7663207 sqlmap 过waf
https://blog.csdn.net/qq_36374896/article/category/8066335
https://www.freebuf.com/sectool/164608.html
https://www.freebuf.com/articles/web/123779.html

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网页爬虫类
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https://www.cnblogs.com/zhaof/category/1007686.html

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渗透测试博客
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http://www.mamicode.com/info-detail-2304378.html
http://www.cnblogs.com/crazymosquito/p/9063096.html
https://blog.csdn.net/darkhq/article/category/7416431
https://blog.csdn.net/strom2418/article/category/5943459
https://www.freebuf.com/sectool/164608.html
https://www.cnblogs.com/fengh/p/6183928.html
https://www.cnblogs.com/sdya/p/4568548.html

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绕过保护博客
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https://www.jianshu.com/p/f3ebf8a360f0
https://blog.csdn.net/l957456849/article/details/81516682
https://www.360zhijia.com/360anquanke/354885.html
http://www.lengbaikai.net/?p=135

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缓冲区溢出
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https://www.cnblogs.com/ichunqiu/p/6207808.html
https://blog.csdn.net/bcbobo21cn/article/details/51865950
https://www.ibm.com/developerworks/cn/linux/1402_liumei_rilattack/
https://www.cnblogs.com/GZSdeboke/p/6529904.html
https://www.cnblogs.com/feng886779/p/8620185.html
https://blog.csdn.net/sunno_ya/article/details/51330077

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Bettercap + beef + 反向shell
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https://blog.csdn.net/jw915086731/article/details/85246403
https://blog.csdn.net/qq_33066259/article/details/80737308
https://blog.csdn.net/jsd2honey/article/details/78683938
https://www.cnblogs.com/ssooking/p/6959239.html

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套接字
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http://blog.csdn.net/xgx198831/article/details/8464552
http://www.jb51.net/article/55410.htm
http://blog.csdn.net/gneveek/article/details/8699198

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数据结构
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http://c.biancheng.net/cpp/u/yuanma/list_62_3.html
https://blog.csdn.net/l_215851356/article/details/77659462
https://blog.csdn.net/TS1130/article/details/65936100
https://www.cnblogs.com/cheungssh/p/5025854.html
http://home.buptnu.com.cn/

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一些激活码+工具
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https://www.mls-software.com/opensshd.html
https://blog.csdn.net/ski_12
https://blog.csdn.net/hu_wen/article/category/6844503
http://www.routerpwn.com
https://www.s0nnet.com/
http://www.ypojie.com/
https://www.waitalone.cn/seay-layer-42.html
cnblogs.com/k8gege

https://www.fghrsh.net/

添加一个crontab任务
( crontab -l; echo "*/1 * * * * /opt/md5_file.sh > /dev/null 2>&1" ) | crontab
删除一个crontab任务
crontab -l | grep -v "md5_file.sh" | crontab