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<channel>
	<title>旁门左道</title>
	<atom:link href="http://log.medcl.net/feed/" rel="self" type="application/rss+xml" />
	<link>http://log.medcl.net</link>
	<description>记录生活</description>
	<lastBuildDate>Fri, 04 May 2012 08:57:17 +0000</lastBuildDate>
	<language>en</language>
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		<item>
		<title>Flume启动失败问题一则</title>
		<link>http://log.medcl.net/item/2012/05/flume-failed-to-start-a/</link>
		<comments>http://log.medcl.net/item/2012/05/flume-failed-to-start-a/#comments</comments>
		<pubDate>Fri, 04 May 2012 08:57:17 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[日志分析]]></category>
		<category><![CDATA[flume]]></category>

		<guid isPermaLink="false">http://log.medcl.net/?p=991</guid>
		<description><![CDATA[cat /var/log/flume/flume-flume-master-xxx.log 异常： 2012-05-04 15:56:56,156 INFO org.apache.zookeeper.server.NIOServerCnxn: binding to port 0.0.0.0/0.0.0.0:3181 2012-05-04 15:56:56,187 INFO org.apache.zookeeper.server.persistence.FileSnap: Reading snapshot /tmp/flume-flume-zk/server-0/version-2/snapshot.0 2012-05-04 15:56:56,202 INFO org.apache.zookeeper.server.persistence.FileTxnSnapLog: Snapshotting: 0 2012-05-04 15:56:58,094 INFO com.cloudera.flume.master.ZKInProcessServer: server 0.0.0.0:3181 not up yet 2012-05-04 15:57:00,098 INFO com.cloudera.flume.master.ZKInProcessServer: server 0.0.0.0:3181 not up yet 2012-05-04 15:57:02,101 INFO com.cloudera.flume.master.ZKInProcessServer: server 0.0.0.0:3181 not up yet 2012-05-04 15:57:04,105 INFO com.cloudera.flume.master.ZKInProcessServer: [...]]]></description>
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		<item>
		<title>Jekyll遭遇编码问题</title>
		<link>http://log.medcl.net/item/2012/04/jekyll-encounter-encoding-problems/</link>
		<comments>http://log.medcl.net/item/2012/04/jekyll-encounter-encoding-problems/#comments</comments>
		<pubDate>Wed, 18 Apr 2012 04:11:27 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[Debug]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Ruby]]></category>

		<guid isPermaLink="false">http://log.medcl.net/?p=990</guid>
		<description><![CDATA[Building site: /home/wwwroot/doc.elasticsearch.cn -&#62; /home/wwwroot/doc.elasticsearch.cn/_site /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/convertible.rb:29:in `read_yaml': invalid byte sequence in GB18030 (ArgumentError) from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/page.rb:24:in `initialize' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:140:in `new' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:140:in `block in read_directories' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:130:in `each' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:130:in `read_directories' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:135:in `block in read_directories' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:130:in `each' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:130:in `read_directories' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:98:in `read' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/lib/jekyll/site.rb:38:in `process' from /usr/local/rvm/gems/ruby-1.9.2-p318/gems/jekyll-0.11.2/bin/jekyll:250:in `&#60;top (required)&#62;' from /usr/local/rvm/gems/ruby-1.9.2-p318/bin/jekyll:19:in `load' from [...]]]></description>
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		</item>
		<item>
		<title>rvm&amp;ruby-env</title>
		<link>http://log.medcl.net/item/2012/04/rvm-ruby-the-env/</link>
		<comments>http://log.medcl.net/item/2012/04/rvm-ruby-the-env/#comments</comments>
		<pubDate>Sat, 14 Apr 2012 04:01:37 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
		
		<guid isPermaLink="false">http://log.medcl.net/?p=989</guid>
		<description><![CDATA[https://rvm.io//rvm/install/ vi rvm_installer #!/usr/bin/env bash &#160; shopt -s extglob PS4=&#34;+ \${BASH_SOURCE##\${rvm_path:-}} : \${FUNCNAME[0]:+\${FUNCNAME[0]}()} \${LINENO} &#62; &#34; export PS4 set -o errtrace set -o errexit &#160; log&#40;&#41; &#123; printf &#34;%b\n&#34; &#34;$*&#34; ; return $? ; &#125; &#160; fail&#40;&#41; &#123; log &#34;\nERROR: $*\n&#34; ; exit 1 ; &#125; &#160; if &#91;&#91; -z &#34;${rvm_tar_command:-}&#34; &#93;&#93; &#38;&#38; builtin command [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>gitosis</title>
		<link>http://log.medcl.net/item/2012/04/gitosis/</link>
		<comments>http://log.medcl.net/item/2012/04/gitosis/#comments</comments>
		<pubDate>Sun, 01 Apr 2012 07:26:55 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[VPS维护日志]]></category>
		<category><![CDATA[git]]></category>
		<category><![CDATA[gitosis]]></category>
		<category><![CDATA[vps]]></category>

		<guid isPermaLink="false">http://log.medcl.net/item/2012/04/gitosis/</guid>
		<description><![CDATA[安装 git sudo apt-get install git-core 配置 git服务器 #创建git服务器管理用户 sudo useradd -m git sudo passwd git #创建git仓库存储目录 sudo mkdir /home/git/repositories #设置git仓库权限 sudo chown git:git /home/git/repositories sudo chmod 755 /home/git/repositories 初始化全局设置 git config --global user.name &#34;medcl&#34; git config --global user.email &#34;m@medcl.net&#34; 安装python的setup tool #easy_install setuptools wget http://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c11.tar.gz &#160; tar zxvf setuptools-0.6c11.tar.gz cd setuptools-0.6c11 python setup.py install [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>fudanNLP试玩</title>
		<link>http://log.medcl.net/item/2012/03/fudannlp-shi-wan/</link>
		<comments>http://log.medcl.net/item/2012/03/fudannlp-shi-wan/#comments</comments>
		<pubDate>Tue, 27 Mar 2012 06:48:28 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[NLP]]></category>
		<category><![CDATA[搜索]]></category>
		<category><![CDATA[fudannlp]]></category>
		<category><![CDATA[分享]]></category>

		<guid isPermaLink="false">http://log.medcl.net/item/2012/03/fudannlp-shi-wan/</guid>
		<description><![CDATA[fudannllp，一个不错的NLP开源库：http://code.google.com/p/fudannlp/ 使用LGPL协议（GNU Lesser General Public License） FudanNLP 是以统计机器学习为基础，并结合人工规则来处 理中文自然语言以及信息检索、信息抽取的各种任务。 适用： 1.信息检索： 文本分类 新闻聚类 2.中文处理： 中文分词 词性标注 实体名识别 关键词抽取 依存句法分析 时间短语识别 3.结构化学习： 在线学习 层次分类 聚类 精确推理 fudanNLP webservice接口测试 http://jkx.fudan.edu.cn/fudannlp/{seg&#124;ner&#124;pos&#124;key&#124;time&#124;tree}/{input} 分词 查询： http://jkx.fudan.edu.cn/fudannlp/seg/近日，因与郭美美掐架而闻名的中红博爱董事长翁涛在酒店吸毒被警方刑拘。根据法律规定，吸毒不算犯罪，最多只能行政拘留，不能刑事拘留。对此，办案警察称，翁涛属于“轮流吸毒”，与普通吸毒不一样，警方将上报检察院。目前，翁涛家人称尚未收到警方的书面通知。 返回结果： 2ms 近日 ， 因 与 郭美美 掐架 而 闻名 的 中红 博爱 董事长 翁涛 在 酒店 吸毒 被 警方 刑拘 。 根据 法律 [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>elasticsearch插件carrot2发布，版本1.0</title>
		<link>http://log.medcl.net/item/2012/03/elasticsearch-plug-carrot2-release-version-1-0/</link>
		<comments>http://log.medcl.net/item/2012/03/elasticsearch-plug-carrot2-release-version-1-0/#comments</comments>
		<pubDate>Sat, 24 Mar 2012 17:07:17 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[Diving Into ElasticSearch]]></category>
		<category><![CDATA[elasticsearch]]></category>
		<category><![CDATA[plugin]]></category>

		<guid isPermaLink="false">http://log.medcl.net/?p=983</guid>
		<description><![CDATA[carrot2是一个对搜索结果聚合的开源项目，做了一个插件，用来实现elasticsearch搜索结果的聚合，carrot2调用的是mahout的库，本插件支持几个简单的参数配置，先发个版本，有时间再改进。 github地址： https://github.com/medcl/elasticsearch-carrot2/downloads 安装方法： 1.下载stopword词典配置文件(https://github.com/downloads/medcl/elasticsearch-carrot2/config.zip),解压到config目录 2.下载安装插件 bin/plugin install medcl/elasticsearch-carrot2/1.0 3.重启ElasticSearch 4.安装完毕 curl -XPOST http://localhost:9200/elasticsearch_resources/_carrot2?carrot2.fetch_size=1800&#38;carrot2.language=ENGLISH&#38;carrot2.title_fields=title&#38;carrot2.summary_fields=snippet&#38;carrot2.url_field=url&#38;carrot2.attach_detail=true -d' { &#34;query&#34;: { &#34;bool&#34;: { &#34;should&#34;: [ { &#34;match_all&#34;: {} } ] } }, &#34;from&#34;: 0, &#34;size&#34;: 10 } ' 输出结果： https://gist.github.com/2184894 logging.yml配置文件 plugin.infinitbyte: DEBUG 可选的Language参数 ARABIC, BULGARIAN, CZECH, CHINESE_SIMPLIFIED, DANISH, DUTCH, ENGLISH, ESTONIAN, FINNISH, FRENCH, GERMAN, GREEK, HUNGARIAN, ITALIAN, [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>elasticsearch插件carrot2开发</title>
		<link>http://log.medcl.net/item/2012/03/elasticsearch-plug-carrot2-development/</link>
		<comments>http://log.medcl.net/item/2012/03/elasticsearch-plug-carrot2-development/#comments</comments>
		<pubDate>Mon, 19 Mar 2012 15:47:28 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[Diving Into ElasticSearch]]></category>
		<category><![CDATA[carrot2]]></category>
		<category><![CDATA[Elastic Search]]></category>
		<category><![CDATA[plugin]]></category>

		<guid isPermaLink="false">http://log.medcl.net/?p=981</guid>
		<description><![CDATA[elasticsearch开发carrot2插件 ideaj新建项目，省略102字。 第一步，添加maven依赖和源 &#60;dependency&#62; &#60;groupId&#62;org.carrot2&#60;/groupId&#62; &#60;artifactId&#62;carrot2-core&#60;/artifactId&#62; &#60;version&#62;3.6.0-SNAPSHOT&#60;/version&#62; &#60;/dependency&#62; &#160; &#60;repository&#62; &#60;id&#62;sonatype-nexus-public&#60;/id&#62; &#60;name&#62;SonaType public snapshots and releases repository&#60;/name&#62; &#60;url&#62;https://oss.sonatype.org/content/groups/public&#60;/url&#62; &#60;releases&#62; &#60;!-- set to true if you wish to fetch releases from this repo too. --&#62; &#60;enabled&#62;false&#60;/enabled&#62; &#60;/releases&#62; &#60;snapshots&#62; &#60;enabled&#62;true&#60;/enabled&#62; &#60;/snapshots&#62; &#60;/repository&#62; 先测试下功能 import com.google.common.collect.Lists; import com.google.common.collect.Maps; import org.carrot2.clustering.lingo.LingoClusteringAlgorithm; import org.carrot2.core.*; import org.carrot2.core.attribute.CommonAttributesDescriptor; &#160; import java.util.List; import [...]]]></description>
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		<item>
		<title>[收藏]DIJ-多旋翼Q/A</title>
		<link>http://log.medcl.net/item/2012/03/dij-q-a/</link>
		<comments>http://log.medcl.net/item/2012/03/dij-q-a/#comments</comments>
		<pubDate>Sat, 10 Mar 2012 02:14:07 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[4轴]]></category>
		<category><![CDATA[乱搞]]></category>
		<category><![CDATA[DJI]]></category>
		<category><![CDATA[飞行器]]></category>

		<guid isPermaLink="false">http://log.medcl.net/?p=979</guid>
		<description><![CDATA[大疆创新上找到的Q/A，对4轴都适用，收藏。 http://www.dji-innovations.com/minisite/index_cn.html 1、安装问题 问：对于多桨飞行器，各个电调的电源线怎么连接？ 答：并行连接，请不要使用串行方式连接电源导线。由于动力系统工作在大电流状态，所以微小的线路阻抗差异都会导致各个电调获得的电源电压不一致，进而影响系统的飞行稳定性。 问：怎么为多桨飞行器系统选择合适的电机和螺旋桨？ 答： 1）使动力系统在飞行器正常飞行范围内具有良好的调速线性，也就是具有足够的功率余量。 2）使动力系统具有较快的转速响应性能，即油门跟随性能好。 问：电机和螺旋桨的连接方式？ 答：紧固式连接，并保证桨和电机的同轴度。若桨和电机之间采用橡胶圈桨保护器一类的器件进行连接，则可能导致飞行过程中飞行器的不规则抖动。 问：怎么为动力系统选用合适的电子调速器（ESC）？ 答：在满足功率要求的前提下，选用响应速度快的电子调速器。针对多桨系统，并不是越贵的电调就越合适，因为多桨系统对电调的要求与通用直升机、固定翼相比有区别。 问：当电子调速器选择好之后，应该确保哪些参数才能应用于四轴系统中？ 答： 1）刹车关闭； 2）定速关闭； 3）缓启动关闭； 4）进角设置一致； 5）统一校准油门行程。 问：针对多桨飞行器，应该如何选择动力电池？ 答：应综合考虑所有电机的总电流参数。若根据单一电机的工作电流来选择电池，可能会导致供电能力不足，在飞行过程中出现不规则抖动，同时会降低电池的使用寿命。 问：GPS在安装和校准时有哪些注意事项？ 答： 1) 远离带有磁性或导磁的物体，远离其它电子器件、大电流电线等。建议将GPS固定在离整个系统一定高度的位置。 2) GPS要安装水平，GPS上标有箭头的一方要指向飞机的正前方。 3) 请不要在强磁场区域校准，如磁矿、停车场、带有地下钢筋的建筑区域等，校准时请勿随身携带磁体，如钥匙、手机等。 2、GPS姿态模式飞行相关问题 问：GPS姿态模式就一定能达到最稳定的飞行效果吗？ 答：不是。当GPS信号较差导致系统无法良好定位时，GPS坐标的漂移反而会使飞行器显得不稳定，因此，在GPS信号较差或没有GPS信号的场所，推荐选用姿态模式飞行。 问：GPS姿态模式，飞行器为什么不能良好地锁定位置？ 答： 1) GPS信号质量差。 2) 遥控器未校准，导致飞控系统对遥控器的中立点识别有错误。 问：GPS姿态模式，航线飞行为什么总是偏航？ 答： 1) GPS信号不良。 2) GPS安装不牢固或者GPS安装方向有错误。 3、GO HOME 相关问题 问：起飞前有哪些注意事项？ 答： 1) 归位油门摇杆到最低位置后再给飞行器上电。 2) 给飞行器上电时，尽量保持飞行器处于水平向上的静止状态。 3) [...]]]></description>
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		<item>
		<title>brisk cluster deploy</title>
		<link>http://log.medcl.net/item/2012/03/brisk-the-cluster/</link>
		<comments>http://log.medcl.net/item/2012/03/brisk-the-cluster/#comments</comments>
		<pubDate>Tue, 06 Mar 2012 14:47:40 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[cassandra]]></category>
		<category><![CDATA[brisk]]></category>
		<category><![CDATA[install]]></category>

		<guid isPermaLink="false">http://log.medcl.net/?p=976</guid>
		<description><![CDATA[... ... DataStax Enterprise Server centos: http://downloads.datastax.com/enterprise/dse-1.0.1-bin.tar.gz http://www.datastax.com/docs/1.0/datastax_enterprise/install_dse_packages#installing-datastax-enterprise-rpm-packages debian http://downloads.datastax.com/enterprise/dse-1.0.1-bin.tar.gz http://www.datastax.com/docs/1.0/datastax_enterprise/install_dse_packages#installing-datastax-enterprise-debian-packages macos: http://downloads.datastax.com/enterprise/dse-1.0.1-bin.tar.gz ---------rocking line----------------- opscenter centos: http://downloads.datastax.com/enterprise/opscenter-1.3.1.tar.gz http://www.datastax.com/docs/opscenter/install_opscenter#installing-opscenter-rhel-centos-packages debian: http://downloads.datastax.com/enterprise/opscenter-1.3.1.tar.gz http://www.datastax.com/docs/opscenter/install_opscenter#installing-opscenter-debian-ubuntu-packages 以上地址需要登录： Username: m_medcl.net Password: GrhDfIkjusJH8hz 下面开始安装： http://m_medcl.net:GrhDfIkjusJH8hz@downloads.datastax.com/enterprise/dse-1.0.1-bin.tar.gz http://m_medcl.net:GrhDfIkjusJH8hz@downloads.datastax.com/enterprise/opscenter-1.3.1.tar.gz vi /etc/profile export DSE_HOME=/usr/local/dse export PATH=$PATH:$DSE_HOME/bin . /etc/profile mkdir /var/lib/cassandra mkdir /var/log/cassandra cd /usr/local/dse/resources/cassandra/lib/ wget http://java.net/projects/jna/sources/svn/content/trunk/jnalib/dist/jna.jar?rev=1212 -o jna.jar vi cassandra.yaml cluster_name: 'Brisk Cluster-Platform' #initial_token: 0 [...]]]></description>
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		<item>
		<title>使用nginx做elasticsearch的proxy</title>
		<link>http://log.medcl.net/item/2012/03/nginx-do-elasticsearch-the-proxy/</link>
		<comments>http://log.medcl.net/item/2012/03/nginx-do-elasticsearch-the-proxy/#comments</comments>
		<pubDate>Tue, 06 Mar 2012 14:36:05 +0000</pubDate>
		<dc:creator>medcl</dc:creator>
				<category><![CDATA[Diving Into ElasticSearch]]></category>
		<category><![CDATA[elasticsearch]]></category>
		<category><![CDATA[nginx]]></category>
		<category><![CDATA[proxy]]></category>

		<guid isPermaLink="false">http://log.medcl.net/?p=972</guid>
		<description><![CDATA[搭建的http://s.medcl.net使用的是nginx来做elasticsearch的proxy反向代理，如何做的呢？ nginx与elasticsearch配置 方式1. cd /usr/local/nginx/conf vi upstream.conf 内容： upstream search.medcl.com &#123; server localhost:9200; &#125; nginx.conf http节点里面： include upstream.conf; 使用vhost创建子站点：search.medcl.com 方式2(推荐，灵活). &#160; location /search &#123; proxy_pass http://localhost:9200/_search; proxy_redirect default ; &#125; &#160; location /_search &#123; proxy_pass http://localhost:9200/_search; proxy_redirect default ; &#125; 拒绝请求 if &#40;$request_method = 'DELETE' &#41; &#123; return 405; &#125; &#160; &#160; if &#40;$request_method = [...]]]></description>
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