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转载 DNS递归和迭代解析
原文见http://blog.csdn.net/lycb_gz/article/details/1172024711.3.7 DNS递归解析原理“递归解析”(或叫“递归查询”,其实意思是一样的)是最常见,也是默认的解析方式。在这种解析方式中,如果客户端配置的本地名称服务器不能解析的话,则后面的查询全由本地名称服务器代替DNS客户端进行查询,直到本地名称服务器从权威名称服务器得到了...
2014-11-29 21:41:08 5427
转载 What happens when you type a URL in browser
原文地址见http://edusagar.com/articles/view/70/What-happens-when-you-type-a-URL-in-browserApart from being a very common interview question, this is one of the very first query which lingers around in o...
2014-11-29 14:35:00 907
原创 CentOS yum install出现问题,Could not open/read file:///mnt/cdrom/repodata/repomd.xml
[root@host-10-0-0-9 ~]# yum install httpd Loaded plugins: fastestmirror, security Loading mirror speeds from cached hostfile file:///mnt/cdrom/repodata/repomd.xml: [Errno 14] Could not open/read
2014-11-20 15:15:02 18641
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