http://cn.ezbsystems.com/ultraiso/download.htm
http://hi.baidu.com/625620557/blog/item/103d5932709d66f11b4cff26.html
http://bbs.linuxtone.org/thread-9934-1-1.html
Socket timeout after 10 seconds:
http://c20031776.blog.163.com/blog/static/68471625201161511416828/
iptables简单原理学习:
http://linux-vbird.bluedata.org/linux_server/0250simple_firewall.htm
http://man.chinaunix.net/network/iptables-tutorial-cn-1.1.19.html
ubuntu面板消失后恢复默认的方法:
http://blog.csdn.net/amicablehj/article/details/5662693
在Ubuntu和Debian系统下安装PostgreSQLhttp://tech.ccidnet.com/art/302/20071219/1314191_1.html
preseed 学习:
http://www.debian.org/releases/stable/i386/apb.html.en
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