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	<title>网络&amp;网络模拟 - 四号程序员</title>
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		<title>openstack的provider模式和self-service模式的理解</title>
		<link>https://www.coder4.com/archives/7722</link>
					<comments>https://www.coder4.com/archives/7722#comments</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Thu, 17 Mar 2022 15:13:20 +0000</pubDate>
				<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[计算机技术]]></category>
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					<description><![CDATA[https://blog.csdn.net/dhRainer/article/details/84863138[......] 继续阅读]]></description>
		
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		<title>iptables学习笔记</title>
		<link>https://www.coder4.com/archives/1423</link>
					<comments>https://www.coder4.com/archives/1423#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Mon, 04 Apr 2011 05:29:48 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[学习笔记]]></category>
		<category><![CDATA[教程]]></category>
		<category><![CDATA[配置]]></category>
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					<description><![CDATA[1、概念 iptables有2个表：filter和nat。前者用于过滤，后者是nat用的。 iptables还有4个链：INPUT、FORWARD、PREROUTING、POSTROUTING。 前两者对应于filter表，INPUT匹配目的IP是本机的数据包，FILTER匹配穿过本机的数据包。 PREROUTING位于NAT表，用于修改目的地址（DNAT）;POSTROUTING用于修改源地址（SNAT）。 2、基本命令 命令的格式是： iptable[......] 继续阅读]]></description>
		
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		<title>OpenVZ和XEN在内存使用上的一点感受</title>
		<link>https://www.coder4.com/archives/1416</link>
					<comments>https://www.coder4.com/archives/1416#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Sun, 03 Apr 2011 13:01:07 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[OpenVZ]]></category>
		<category><![CDATA[XEN]]></category>
		<category><![CDATA[内存使用]]></category>
		<guid isPermaLink="false">http://www.coder4.com/?p=1416</guid>

					<description><![CDATA[OpenVZ虽然价格便宜一些，但是毕竟属于容器级别的隔离。 从内存的感受来说： XEN使用中经常出现类似内存泄漏的情况，比如Nginx停止了，但是内存并没有释放出来（已经考虑Cache的情况）。 OpenVZ释放虽然及时，但是它算内存时会把虚拟内存也算进去，所以跑一些java什么的就杯具了。 内存分配方式上还是kvm+ksm靠谱儿一些。。[......] 继续阅读]]></description>
		
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		<title>Solution for qemu-kvm-0.13.0 with undefined reference to `kvm_handle_internal_error`</title>
		<link>https://www.coder4.com/archives/1174</link>
					<comments>https://www.coder4.com/archives/1174#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Tue, 23 Nov 2010 02:25:45 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[0.13.0]]></category>
		<category><![CDATA[Compile]]></category>
		<category><![CDATA[error]]></category>
		<category><![CDATA[kvm_handle_internal_error]]></category>
		<category><![CDATA[qemu-kvm]]></category>
		<category><![CDATA[reference]]></category>
		<category><![CDATA[solution]]></category>
		<category><![CDATA[undefined]]></category>
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					<description><![CDATA[Problem With the latest version of qemu-kvm, I can't successfully compile with error below: #make &#38;&#38; make install kvm-all.o: In function `kvm_run': /home/liheyuan/code/qemu-kvm-0.13.0/qemu-kvm.c:675: undefined reference to `kvm_handle_int[......] 继续阅读]]></description>
		
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		<title>Linux KVM使用VNC和QEMU控制台</title>
		<link>https://www.coder4.com/archives/1160</link>
					<comments>https://www.coder4.com/archives/1160#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Sun, 21 Nov 2010 12:49:37 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[KVM]]></category>
		<category><![CDATA[qemu控制台]]></category>
		<category><![CDATA[vnc]]></category>
		<category><![CDATA[关机]]></category>
		<category><![CDATA[虚拟化]]></category>
		<category><![CDATA[重启]]></category>
		<guid isPermaLink="false">http://www.coder4.com/?p=1160</guid>

					<description><![CDATA[VNC不用多介绍了吧，比远程桌面好用你哦个很多~也比kvm自带的vga那个好多了，方法： 加参数 -vnc :1 -monitor 端口是从5900+n开始的，例如:1就是5901 QEMU控制台其实是QEMU的一个工具，默认没有开启，我们可以让qemu为我们创建一个server，方法： -monitor telnet::4444,server,nowait 上面的方法在我这里经常导致vm挂起，可以用下面的方法，直接重定向到stdin/out -monitor stdio[......] 继续阅读]]></description>
		
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		<item>
		<title>KVM安装Guest(CentOS+virtio)</title>
		<link>https://www.coder4.com/archives/1125</link>
					<comments>https://www.coder4.com/archives/1125#comments</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Sun, 07 Nov 2010 23:11:49 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[CentOS]]></category>
		<category><![CDATA[Guest]]></category>
		<category><![CDATA[KVM]]></category>
		<category><![CDATA[sda]]></category>
		<category><![CDATA[Ubuntu]]></category>
		<category><![CDATA[virtio]]></category>
		<category><![CDATA[内核虚拟机]]></category>
		<category><![CDATA[安装呢]]></category>
		<category><![CDATA[性能]]></category>
		<category><![CDATA[网卡]]></category>
		<category><![CDATA[虚拟化]]></category>
		<guid isPermaLink="false">http://www.coder4.com/?p=1125</guid>

					<description><![CDATA[1、创建虚拟镜像，raw格式 [shell] #据说qow2会有问题，用virtio驱动 /usr/local/kvm/bin/qemu-img create -f raw test.img 10G [/shell] 2、安装虚拟机的Guest OS [shell] #注意，一开始我们就启用了if=virtio #因此，安装过程中会很顺利的识别出vda sudo /usr/local/kvm/bin/qemu-system-x86_64 -m 512 -boot d -driv[......] 继续阅读]]></description>
		
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			</item>
		<item>
		<title>电子邮件防欺诈：配置DNS域名的SPF Record</title>
		<link>https://www.coder4.com/archives/1119</link>
					<comments>https://www.coder4.com/archives/1119#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Sat, 06 Nov 2010 12:53:04 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[sendmail]]></category>
		<category><![CDATA[spam]]></category>
		<category><![CDATA[SPF]]></category>
		<category><![CDATA[垃圾邮件]]></category>
		<category><![CDATA[电子邮件欺诈]]></category>
		<category><![CDATA[配置]]></category>
		<guid isPermaLink="false">http://www.coder4.com/?p=1119</guid>

					<description><![CDATA[参考： http://www.xiaohui.com/dev/server/email-spf-record-config.htm[......] 继续阅读]]></description>
		
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		<title>KVM中安装Windows XP Guest并使用virtio</title>
		<link>https://www.coder4.com/archives/1083</link>
					<comments>https://www.coder4.com/archives/1083#comments</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Fri, 22 Oct 2010 18:11:54 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[KVM]]></category>
		<category><![CDATA[virtio]]></category>
		<guid isPermaLink="false">http://www.coder4.com/?p=1083</guid>

					<description><![CDATA[1、下载最新的virto for win驱动 有两个： virtio-win-xxxx.vfd virtio-win-xxx.iso 2012.2.23更新： 我猛然发现vfd已经不提供下载了，于是把最新版本共享出来： http://hotfile.com/dl/147534533/7d6548d/virtio-win-1.1.16.vfd.html 前者是windows安装时候加驱动用的（软盘镜像），后者是装好了再加驱动（光盘镜像） 本文主要叙述安装时候加载[......] 继续阅读]]></description>
		
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		<title>在Ubuntu下编译安装kvm</title>
		<link>https://www.coder4.com/archives/1011</link>
					<comments>https://www.coder4.com/archives/1011#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Wed, 29 Sep 2010 16:00:06 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[KVM]]></category>
		<guid isPermaLink="false">http://www.coder4.com/?p=1011</guid>

					<description><![CDATA[1、下载包 我的内核是2.6.32，需要下载对应的软件包 http://sourceforge.net/projects/kvm/files/qemu-kvm/0.12.5/qemu-kvm-0.12.5.tar.gz/download 内核默认有的kvm，CPU占用过大，我们自己编译最新版的 其他的库 zlib sdl alsa gnutls等等 [shell] sudo apt-get install gcc libsdl1.2-dev zlib1g-dev libaso[......] 继续阅读]]></description>
		
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		<item>
		<title>IP地址的String与32位unsigned int在线转换。</title>
		<link>https://www.coder4.com/archives/764</link>
					<comments>https://www.coder4.com/archives/764#comments</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Thu, 08 Jul 2010 11:46:07 +0000</pubDate>
				<category><![CDATA[算法&数据结构]]></category>
		<category><![CDATA[网络&网络模拟]]></category>
		<category><![CDATA[计算机技术]]></category>
		<category><![CDATA[在线转换工具]]></category>
		<guid isPermaLink="false">http://www.coder4.com/?p=764</guid>

					<description><![CDATA[http://www.coder4.com/tools_ip_32int.php 可能大小端还有一些问题，还在考虑中。 例如将字符串“127.0.0.1”转化为32位无符号整数2130706433[......] 继续阅读]]></description>
		
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