#!/usr/bin/env python import socket import time import …
Chnroutes中国路由生成脚本
#!/bin/sh FILE=/tmp/getip rm -f $FILE wget http://ftp.a …
How to ping a TCP or UDP port
I use nmap combined with watch to continually try the p …
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I spent a fairly long amount of time trying to figure o …
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闲着没事，打开freebsd官网，发现freebsd9.2居然已经发布： http://www.freebsd …
Install ntop in CentOS 6.x
yum install cairo-devel libxml2-devel pango-devel pango …
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Bash script to sound when coins received
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this kernel requires the following features not present on the cpu pae
今天在一台小工控机上安装centos 6.4系统，启动是提示如下错误信息： This kernel requi …
继续阅读“this kernel requires the following features not present on the cpu pae”
dovecot: Fatal: Time just moved backwards by 82 seconds
今天接到客户电话说pop3收不到邮件，开始我还以为是客户网络的原因，因为当时没有在电脑边，所以让客户telne …
继续阅读“dovecot: Fatal: Time just moved backwards by 82 seconds”
warning: network_biopair_interop
Postfix邮件服务器开启了SMTP TLS 支持后，发现maillog有很多以下警告信息： warning …