Linux
http://www.cnblogs.com/wainiwann/p/4210343.html
http://blog.csdn.net/boabc2304/article/details/8712492
TCP/IP: http://blog.chinaunix.net/uid-26833883-id-3627644.html
常用命令:tail -f system_record_2015_8_27.log |grep -E 'online|pools|idle_servers'
http://mengkang.net/384.html
http://www.chinaitlab.com/linux/administer/958961.html 最大连接数问题
http://tengine.taobao.org/book/chapter_02.html Nginx教程
http://blog.csdn.net/qq910894904/article/details/41699541 协程
http://www.360doc.com/content/14/0512/10/3300331_376874020.shtml coredump
http://www.cnblogs.com/linuxbug/p/4995326.html DNS
http://blog.csdn.net/jiubugeinifo/article/details/9357077 cygwin ll命令 惊艳的cygwin——Windows下的Linux命令行环境的配置和使用
http://www.cnblogs.com/astwish/articles/3700459.html cygwin配置笔记