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	<title>Herbert Yang &#187; Summary</title>
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		<title>2009年度总结</title>
		<link>http://www.herbertyang.com/2009/11/27/2009-annual-summary.html</link>
		<comments>http://www.herbertyang.com/2009/11/27/2009-annual-summary.html#comments</comments>
		<pubDate>Fri, 27 Nov 2009 02:43:25 +0000</pubDate>
		<dc:creator>Herbert</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[MyLife]]></category>
		<category><![CDATA[2009]]></category>
		<category><![CDATA[Summary]]></category>

		<guid isPermaLink="false">http://www.herbertyang.com/?p=463</guid>
		<description><![CDATA[今年最主要的收获还是关于Linux系统方面的知识。 统计Apache的访问UV cat /home/app/httpd/logs/access_log&#124;grep 04/Nov/2009 &#124; awk '{print $1}' &#124; sort &#124; uniq -c &#124; sort -rn &#124; wc -l 系统实时并发 tail -10000 /home/app/httpd/logs/access_log &#124; awk '{print $5}' &#124; sort &#124; uniq -c &#124; sort -rn &#124; head 系统连接状态统计 netstat -an &#124; awk '{print $6}' &#124; sort &#124;uniq -c&#124; sort -rn]]></description>
			<content:encoded><![CDATA[<p>今年最主要的收获还是关于Linux系统方面的知识。</p>
<p><strong>统计Apache的访问UV</strong></p>
<pre class="brush: bash;">cat /home/app/httpd/logs/access_log|grep 04/Nov/2009 | awk '{print $1}' | sort | uniq -c | sort -rn | wc -l </pre>
<p><strong>系统实时并发</strong></p>
<pre class="brush: bash;">tail -10000 /home/app/httpd/logs/access_log | awk '{print $5}' | sort | uniq -c | sort -rn | head</pre>
<p><strong>系统连接状态统计</strong></p>
<pre class="brush: bash;">netstat -an | awk '{print $6}' | sort |uniq -c| sort -rn</pre>
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