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<channel>
	<title>wolfg&#039;s Weblog</title>
	<atom:link href="http://guoyong.me/feed/" rel="self" type="application/rss+xml" />
	<link>http://guoyong.me</link>
	<description>wolfg&#039;s journey with open source, linux, programming, sysadm ...</description>
	<lastBuildDate>Wed, 04 Apr 2012 12:42:25 +0000</lastBuildDate>
	<language>en</language>
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<creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/2.5/cn/</creativeCommons:license>		<item>
		<title>今晚拍的月亮</title>
		<link>http://guoyong.me/hobbies/tonight-moon/</link>
		<comments>http://guoyong.me/hobbies/tonight-moon/#comments</comments>
		<pubDate>Wed, 04 Apr 2012 12:42:25 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Hobbies]]></category>
		<category><![CDATA[photography]]></category>
		<category><![CDATA[astrophotography]]></category>
		<category><![CDATA[gimp]]></category>
		<category><![CDATA[moon]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=963</guid>
		<description><![CDATA[用Gimp做了锐化处理： 转为灰度图 Unsharp Mask滤镜处理 Color Curve调整]]></description>
			<content:encoded><![CDATA[<p><a href="http://guoyong.me/blog/wp-content/uploads/2012/04/DSC05395_edit.jpg" rel="lightbox[963]"><img src="http://guoyong.me/blog/wp-content/uploads/2012/04/DSC05395_edit-1024x682.jpg" alt="" title="The moon" width="584" height="388" class="alignnone size-large wp-image-964" /></a></p>
<p>用Gimp做了锐化处理：</p>
<ol>
<li>
<p>转为灰度图</p>
</li>
<li>
<p>Unsharp Mask滤镜处理</p>
</li>
<li>
<p>Color Curve调整</p>
</li>
</ol>
]]></content:encoded>
			<wfw:commentRss>http://guoyong.me/hobbies/tonight-moon/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>笔记本Gentoo系统升级</title>
		<link>http://guoyong.me/linux/upgrade-gentoo-on-my-notebook/</link>
		<comments>http://guoyong.me/linux/upgrade-gentoo-on-my-notebook/#comments</comments>
		<pubDate>Tue, 03 Apr 2012 03:41:17 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Using Desktop]]></category>
		<category><![CDATA[fluxbox]]></category>
		<category><![CDATA[gentoo]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=955</guid>
		<description><![CDATA[利用假期把笔记本上的Gentoo系统升级到了最新版，改动的地方记录如下： urxvt无法运行 urxvt: unable to load base fontset USE参数添加了xft，重新编译安装就好了。 # USE=&#34;truetype perl afterimage iso14755 256-color xft&#34; emerge -av rxvt-unicode Fluxbox菜单里的屏幕截图工具不工作，其实就是ImageMagick的import命令找不到动态库了，重新安装ImageMagick解决。 Slim登录界面，又提示输入用户名了。解决方法：修改/etc/slim.conf添加default&#92;_user = guoyong，并设置focus&#92;_password = yes sudo又要密码了，这个和上一条都是etc-update 运行的后果，配置文件都被覆盖了，下次升级得注意避免。重新visudo设置不需要密码 &#160;guoyong ALL=(ALL) NOPASSWD: ALL 进入Fluxbox后显示Wicd Network Manager窗口，修改.fluxbox/startup 给wicd-gtk添加-t选项 &#160;wicd-gtk -t &#38;amp; 弃用ibus，改用fcitx 弃用conky &#8230; <a href="http://guoyong.me/linux/upgrade-gentoo-on-my-notebook/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
			<content:encoded><![CDATA[<p>利用假期把笔记本上的Gentoo系统升级到了最新版，改动的地方记录如下：</p>
<ol>
<li>
<p>urxvt无法运行</p>
<pre>
<div class="codecolorer-container text vibrant" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">urxvt: unable to load base fontset</div></div>
</pre>
<p>USE参数添加了xft，重新编译安装就好了。</p>
<pre>
<div class="codecolorer-container text vibrant" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap"># USE=&quot;truetype perl afterimage iso14755 256-color xft&quot; emerge -av rxvt-unicode</div></div>
</pre>
</li>
<li>
<p>Fluxbox菜单里的屏幕截图工具不工作，其实就是ImageMagick的import命令找不到动态库了，重新安装ImageMagick解决。</p>
</li>
<li>
<p>Slim登录界面，又提示输入用户名了。解决方法：修改/etc/slim.conf添加default&#92;_user = guoyong，并设置focus&#92;_password = yes</p>
</li>
<li>
<p>sudo又要密码了，这个和上一条都是etc-update 运行的后果，配置文件都被覆盖了，下次升级得注意避免。重新visudo设置不需要密码</p>
<pre>
<div class="codecolorer-container text vibrant" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">&nbsp;guoyong ALL=(ALL) NOPASSWD: ALL</div></div>
</pre>
</li>
<li>
<p>进入Fluxbox后显示Wicd Network Manager窗口，修改.fluxbox/startup 给wicd-gtk添加-t选项</p>
<pre>
<div class="codecolorer-container text vibrant" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">&nbsp;wicd-gtk -t &amp;amp;</div></div>
</pre>
</li>
<li>
<p>弃用ibus，改用fcitx</p>
</li>
<li>
<p>弃用conky</p>
</li>
<li>
<p>添加idesk和dockapps （wmMoonclock, wmcpuload, wmnd, wmweather）</p>
</li>
<li>
<p>无线网卡驱动需要编译新内核 kernel-3.2.12 ，同时加上了对fbsplash的支持</p>
</li>
<li>
<p>fbsplash使用livedvd-12.0的主题，桌面壁纸找了一张Fluxbox的。</p>
</li>
</ol>
<p><a href="http://guoyong.me/blog/wp-content/uploads/2012/04/screenshot.png" rel="lightbox[955]"><img src="http://guoyong.me/blog/wp-content/uploads/2012/04/screenshot-1024x640.png" alt="" title="screenshot" width="584" height="365" class="alignnone size-large wp-image-957" /></a></p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>知道了关于Linux进程的一点事儿</title>
		<link>http://guoyong.me/linux/know-something-about-the-process/</link>
		<comments>http://guoyong.me/linux/know-something-about-the-process/#comments</comments>
		<pubDate>Tue, 03 Apr 2012 03:05:37 +0000</pubDate>
		<dc:creator>guoyong</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[orphant process]]></category>
		<category><![CDATA[process]]></category>
		<category><![CDATA[zombie process]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=950</guid>
		<description><![CDATA[昨天在乐维参与这两个问题的回答： Unix-like OS是如何有效的查杀orphan process？ Linux对于一个process有最大运行时间限制么？ 搜索过程中也解答了自己对Linux系统进程号一直以来存在的疑问，也加深了对僵尸进程和孤儿进程的理解。帮助别人的同时自己也有收获，这就是知识交流的好处，也是这种社交问答网站的价值所在吧。 关于进程号： 32位系统的最大进程号是32,767，当到达32,768时系统会重新开始计数并从头寻找可用的值给新进程 64位系统的最大进程号是 222 &#8211; 1 = 4,194,303 /proc/sys/kernel/pid_max 保存了这个上限。32位和64位系统的默认值都是32,768。 搜索到的两篇文章： http://www.refining-linux.org/archives/7/Dr.-Frankenlinux-or-how-to-create-zombie-processes/ http://www.geekride.com/orphan-zombie-process/]]></description>
			<content:encoded><![CDATA[<p>昨天在<a href="http://leweiup.com">乐维</a>参与这两个问题的回答：</p>
<ul>
<li><a href="http://leweiup.com/questions/728">Unix-like OS是如何有效的查杀orphan process？</a></li>
<li><a href="http://leweiup.com/questions/729">Linux对于一个process有最大运行时间限制么？</a></li>
</ul>
<p>搜索过程中也解答了自己对Linux系统进程号一直以来存在的疑问，也加深了对僵尸进程和孤儿进程的理解。帮助别人的同时自己也有收获，这就是知识交流的好处，也是这种社交问答网站的价值所在吧。</p>
<p>关于进程号：</p>
<ul>
<li>32位系统的最大进程号是32,767，当到达32,768时系统会重新开始计数并从头寻找可用的值给新进程</li>
<li>64位系统的最大进程号是 2<sup>22</sup> &#8211; 1 = 4,194,303</li>
<li>/proc/sys/kernel/pid_max 保存了这个上限。32位和64位系统的默认值都是32,768。</li>
</ul>
<p>搜索到的两篇文章：</p>
<ul>
<li>http://www.refining-linux.org/archives/7/Dr.-Frankenlinux-or-how-to-create-zombie-processes/</li>
<li>http://www.geekride.com/orphan-zombie-process/</li>
</ul>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Radio Man</title>
		<link>http://guoyong.me/hobbies/photography/radio-man/</link>
		<comments>http://guoyong.me/hobbies/photography/radio-man/#comments</comments>
		<pubDate>Sun, 25 Mar 2012 11:49:18 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[photography]]></category>
		<category><![CDATA[radio]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=944</guid>
		<description><![CDATA[]]></description>
			<content:encoded><![CDATA[<p><a href="http://guoyong.me/blog/wp-content/uploads/2012/03/IMG_1496.jpg" rel="lightbox[944]"><img src="http://guoyong.me/blog/wp-content/uploads/2012/03/IMG_1496-1024x1024.jpg" alt="" title="Radio Man" width="584" height="584" class="alignnone size-large wp-image-945" /></a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>打算DIY个快门定时器</title>
		<link>http://guoyong.me/hobbies/intends-to-diy-a-shutters-timer/</link>
		<comments>http://guoyong.me/hobbies/intends-to-diy-a-shutters-timer/#comments</comments>
		<pubDate>Sun, 25 Mar 2012 03:55:04 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Hobbies]]></category>
		<category><![CDATA[arduino]]></category>
		<category><![CDATA[diy]]></category>
		<category><![CDATA[DSLR]]></category>
		<category><![CDATA[startrails]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=935</guid>
		<description><![CDATA[用Arduino来做，控制Canon 500D，主要为了去拍星迹。搜到一些别人做的，先收着： Infrared controlled timelapse photography with Canon DSLRs Intervaluino: A DIY Intervalometer for your Canon SLR]]></description>
			<content:encoded><![CDATA[<p>用Arduino来做，控制Canon 500D，主要为了去拍星迹。搜到一些别人做的，先收着：</p>
<ul>
<li><a href="http://www.sporez.com/honeyjar/?p=347">Infrared controlled timelapse photography with Canon DSLRs</a> </li>
<li><a href="http://controlyourcamera.blogspot.jp/2010/01/infrared-controlled-timelapse.html">Intervaluino: A DIY Intervalometer for your Canon SLR</a></li>
</ul>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>使用Eclipse Memory Analyzer(MAT)解决Java Web应用故障</title>
		<link>http://guoyong.me/dev/solve-jvm-oom-problem-with-mat/</link>
		<comments>http://guoyong.me/dev/solve-jvm-oom-problem-with-mat/#comments</comments>
		<pubDate>Sun, 11 Mar 2012 14:54:11 +0000</pubDate>
		<dc:creator>guoyong</dc:creator>
				<category><![CDATA[Dev]]></category>
		<category><![CDATA[运维]]></category>
		<category><![CDATA[heap dump]]></category>
		<category><![CDATA[Java]]></category>
		<category><![CDATA[jvm]]></category>
		<category><![CDATA[mat]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=928</guid>
		<description><![CDATA[这周一我负责维护的一个系统突然出现故障，用户反映系统很慢，浏览器加载半天最后进了错误页面。登录到系统查看，发现系统负载很高，用sar命令进一步明确了是java进程在某一时刻后突然占据了大量CPU资源。查看应用日志，发现了OutOfMemory异常，然后使用jstat的gcutil确认JVM heap工作不正常，已经有上千次的full gc了。 用VisualGC或者jmap工具生成Headp dump文件，然后用MAT打开，生成内存泄露的分析报告，查找占用内存最大的对象并通过Thread call stack就可以定位导致问题出现的类和方法。 由于系统属旧系统，代码一直没有改动，显然是数据出了问题。最终发现是用户输入的格式不规范的数据，使得对数据做查找替换的一段代码不断地扩大1个字符串对象，导致内存消耗不断增长，gc频繁。 # sar # sar -P ALL 1 5 # jstat -gcutil &#60;pid_of_jvm&#62; 1000 # jmap -dump:format=b,file=HeapDump.hprof &#60;pid_of_jvm&#62; 参考: http://wiki.eclipse.org/index.php/MemoryAnalyzer]]></description>
			<content:encoded><![CDATA[<p>这周一我负责维护的一个系统突然出现故障，用户反映系统很慢，浏览器加载半天最后进了错误页面。登录到系统查看，发现系统负载很高，用sar命令进一步明确了是java进程在某一时刻后突然占据了大量CPU资源。查看应用日志，发现了OutOfMemory异常，然后使用jstat的gcutil确认JVM heap工作不正常，已经有上千次的full gc了。</p>
<p>用VisualGC或者jmap工具生成Headp dump文件，然后用MAT打开，生成内存泄露的分析报告，查找占用内存最大的对象并通过Thread call stack就可以定位导致问题出现的类和方法。</p>
<p>由于系统属旧系统，代码一直没有改动，显然是数据出了问题。最终发现是用户输入的格式不规范的数据，使得对数据做查找替换的一段代码不断地扩大1个字符串对象，导致内存消耗不断增长，gc频繁。</p>
<div class="codecolorer-container text vibrant" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap"># sar<br />
# sar -P ALL 1 5<br />
# jstat -gcutil &lt;pid_of_jvm&gt; 1000<br />
# jmap -dump:format=b,file=HeapDump.hprof &lt;pid_of_jvm&gt;</div></div>
<p>参考: <a href="http://wiki.eclipse.org/index.php/MemoryAnalyzer" target="_blank">http://wiki.eclipse.org/index.php/MemoryAnalyzer</a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>用于修复旧的下载链接的Nginx Rewrite规则</title>
		<link>http://guoyong.me/linux/nginx-the-rewrite-url-based-on-get-parameter/</link>
		<comments>http://guoyong.me/linux/nginx-the-rewrite-url-based-on-get-parameter/#comments</comments>
		<pubDate>Sun, 11 Mar 2012 14:18:12 +0000</pubDate>
		<dc:creator>guoyong</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[nginx]]></category>
		<category><![CDATA[rewrite]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=926</guid>
		<description><![CDATA[旧的下载链接是这样的： /?dl=file 由于原来处理下载请求的插件不工作了，所以就用Nginx的rewrite来修复。 &#160;if ($args ~* &#34;^dl=(.*)&#34;) { &#160; &#160; &#160;set $f $1; &#160; &#160; &#160;rewrite ^.*$ /downloads/$f last; &#160;}]]></description>
			<content:encoded><![CDATA[<p>旧的下载链接是这样的：</p>
<div class="codecolorer-container text vibrant" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">/?dl=file</div></div>
<p>由于原来处理下载请求的插件不工作了，所以就用Nginx的rewrite来修复。</p>
<div class="codecolorer-container text vibrant" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">&nbsp;if ($args ~* &quot;^dl=(.*)&quot;) {<br />
&nbsp; &nbsp; &nbsp;set $f $1;<br />
&nbsp; &nbsp; &nbsp;rewrite ^.*$ /downloads/$f last;<br />
&nbsp;}</div></div>
]]></content:encoded>
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		</item>
		<item>
		<title></title>
		<link>http://guoyong.me/uncategorized/915/</link>
		<comments>http://guoyong.me/uncategorized/915/#comments</comments>
		<pubDate>Sun, 11 Mar 2012 08:23:59 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[maemo]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=915</guid>
		<description><![CDATA[修复了站点 maemo.guoyong.org 和 链接 http://guoyong.org/downloads]]></description>
			<content:encoded><![CDATA[<p>修复了站点 <a href="http://maemo.guoyong.org" target="_blank">maemo.guoyong.org</a> 和 链接 <a href="http://guoyong.org/downloads" target="_blank">http://guoyong.org/downloads</a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title></title>
		<link>http://guoyong.me/hobbies/photography/912/</link>
		<comments>http://guoyong.me/hobbies/photography/912/#comments</comments>
		<pubDate>Sun, 11 Mar 2012 06:03:15 +0000</pubDate>
		<dc:creator>guoyong</dc:creator>
				<category><![CDATA[photography]]></category>
		<category><![CDATA[Wordpress for iOS]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=912</guid>
		<description><![CDATA[]]></description>
			<content:encoded><![CDATA[<p><a href="http://guoyong.me/blog/wp-content/uploads/2012/03/20120311-140242.jpg" rel="lightbox[912]"><img src="http://guoyong.me/blog/wp-content/uploads/2012/03/20120311-140242.jpg" alt="20120311-140242.jpg" class="alignnone size-full" /></a></p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title></title>
		<link>http://guoyong.me/uncategorized/906/</link>
		<comments>http://guoyong.me/uncategorized/906/#comments</comments>
		<pubDate>Wed, 07 Mar 2012 06:54:34 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[domain]]></category>
		<category><![CDATA[guoyong.me]]></category>

		<guid isPermaLink="false">http://guoyong.me/?p=906</guid>
		<description><![CDATA[启用全新域名 guoyong.me]]></description>
			<content:encoded><![CDATA[<p>启用全新域名 <a href="http://guoyong.me" title="guoyong.me">guoyong.me</a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title></title>
		<link>http://guoyong.me/hobbies/photography/900/</link>
		<comments>http://guoyong.me/hobbies/photography/900/#comments</comments>
		<pubDate>Mon, 05 Mar 2012 06:55:06 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[photography]]></category>
		<category><![CDATA[instagram]]></category>
		<category><![CDATA[iphone]]></category>

		<guid isPermaLink="false">http://guoyong.org/?p=900</guid>
		<description><![CDATA[]]></description>
			<content:encoded><![CDATA[<p><a href="http://guoyong.org/blog/wp-content/uploads/2012/03/6d09e9bbjw1dqni2c4cf8j.jpg" rel="lightbox[900]"><img src="http://guoyong.org/blog/wp-content/uploads/2012/03/6d09e9bbjw1dqni2c4cf8j.jpg" alt="无题" title="6d09e9bbjw1dqni2c4cf8j" width="612" height="612" class="alignnone size-full wp-image-901" /></a></p>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>我的Fluxbox配置</title>
		<link>http://guoyong.me/oss/my-fluxbox-config/</link>
		<comments>http://guoyong.me/oss/my-fluxbox-config/#comments</comments>
		<pubDate>Mon, 05 Mar 2012 06:43:51 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[OSS]]></category>
		<category><![CDATA[Using Desktop]]></category>
		<category><![CDATA[bitbucket]]></category>
		<category><![CDATA[fluxbox]]></category>

		<guid isPermaLink="false">http://guoyong.org/?p=898</guid>
		<description><![CDATA[https://bitbucket.org/wolfg/myfluxbox]]></description>
			<content:encoded><![CDATA[<p><a href="https://bitbucket.org/wolfg/myfluxbox" title="my-fluxbox-config" target="_blank">https://bitbucket.org/wolfg/myfluxbox</a></p>
]]></content:encoded>
			<wfw:commentRss>http://guoyong.me/oss/my-fluxbox-config/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>OMNIDISKSWEEPER</title>
		<link>http://guoyong.me/mac/mac-omnidisksweeper/</link>
		<comments>http://guoyong.me/mac/mac-omnidisksweeper/#comments</comments>
		<pubDate>Mon, 05 Mar 2012 06:27:12 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Mac]]></category>
		<category><![CDATA[disk]]></category>
		<category><![CDATA[lion]]></category>
		<category><![CDATA[system]]></category>

		<guid isPermaLink="false">http://guoyong.org/?p=893</guid>
		<description><![CDATA[帮你找到是哪些文件把硬盘空间吃掉了 http://www.omnigroup.com/products/omnidisksweeper]]></description>
			<content:encoded><![CDATA[<p>帮你找到是哪些文件把硬盘空间吃掉了 <a href="http://www.omnigroup.com/products/omnidisksweeper" title="omnidisksweeper" target="_blank">http://www.omnigroup.com/products/omnidisksweeper</a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>[转]北京天文台姜晓军博士：业余爱好者如何选购望远镜</title>
		<link>http://guoyong.me/hobbies/how-to-buy-a-telescope/</link>
		<comments>http://guoyong.me/hobbies/how-to-buy-a-telescope/#comments</comments>
		<pubDate>Sun, 04 Mar 2012 06:16:00 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Hobbies]]></category>
		<category><![CDATA[amateur astronomers]]></category>
		<category><![CDATA[telescope]]></category>

		<guid isPermaLink="false">http://guoyong.org/2012/03/04/%e5%8c%97%e4%ba%ac%e5%a4%a9%e6%96%87%e5%8f%b0%e5%a7%9c%e6%99%93%e5%86%9b%e5%8d%9a%e5%a3%ab%ef%bc%9a%e4%b8%9a%e4%bd%99%e7%88%b1%e5%a5%bd%e8%80%85%e5%a6%82%e4%bd%95%e9%80%89%e8%b4%ad%e6%9c%9b%e8%bf%9c/</guid>
		<description><![CDATA[北京天文台姜晓军博士：业余爱好者如何选购望远镜]]></description>
			<content:encoded><![CDATA[<p><a href="http://page.renren.com/600005938/note/741987298" title="北京天文台姜晓军博士：业余爱好者如何选购望远镜 " target="_blank">北京天文台姜晓军博士：业余爱好者如何选购望远镜 </a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>A screenshot of my desktop</title>
		<link>http://guoyong.me/linux/a-screenshot-of-my-desktop/</link>
		<comments>http://guoyong.me/linux/a-screenshot-of-my-desktop/#comments</comments>
		<pubDate>Sun, 04 Mar 2012 05:24:00 +0000</pubDate>
		<dc:creator>wolfg</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Using Desktop]]></category>
		<category><![CDATA[fluxbox]]></category>
		<category><![CDATA[gentoo]]></category>

		<guid isPermaLink="false">http://guoyong.org/2012/03/04/a-screenshot-of-my-desktop/</guid>
		<description><![CDATA[]]></description>
			<content:encoded><![CDATA[<p><a rel="lightbox" href="http://guoyong.org/blog/wp-content/uploads/2012/03/screenshot.png"><img src="http://guoyong.org/blog/wp-content/uploads/2012/03/screenshot-1024x640.png" alt="" title="screenshot" width="584" height="365" class="alignnone size-large wp-image-881" /></a></p>
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		<slash:comments>0</slash:comments>
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