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MDLog:/sysadminDepending on the size of the databases you have in mysql innodb the time it takes mysql to restart can be horribly slow (for very big innodb …
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Depending on the size of the databases you have in mysql innodb the time it takes mysql to restart can be horribly slow (for very big innodb …
http://www.ducea.com/
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MDLog:/sysadmin | ducea.com Reviews
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Depending on the size of the databases you have in mysql innodb the time it takes mysql to restart can be horribly slow (for very big innodb …
knife-cleanup - MDLog:/sysadmin
http://www.ducea.com/2013/02/26/knife-cleanup
The Journal Of A Linux Sysadmin. I’m working on many projects where we have a process that will make sure that every change we introduce in the cookbooks enters as a new version. And where we use extensively. And this was the cookbook with the least versions that I’ve found to paste here). While working on knife-backup. I realised what a huge waste this was, and decided that I needed a way to clean these and keep on the server just the relevant ones. To solve this problem I wrote knife-cleanup. And if yo...
ChefConf 2012 - San Francisco - MDLog:/sysadmin
http://www.ducea.com/2012/05/18/chefconf-2012-san-francisco
The Journal Of A Linux Sysadmin. ChefConf 2012 - San Francisco. Hosted its inaugural user conference here in San Francisco, and it was an awesome event enjoyed by all chef fans. Even if this was the first one (they are already planing for the future ones), this was by no means a small event, with more than 400 peopl. E attending and the workshops that ran on Tuesday. Even if I have not attended any workshop (they had 2 flavors, one targeted towards a. 8220; organized by Bryan Berry. Rdquo; ( video. Aroun...
How to change the hostname of a Linux system - MDLog:/sysadmin
http://www.ducea.com/2006/08/07/how-to-change-the-hostname-of-a-linux-system
The Journal Of A Linux Sysadmin. How to Change the Hostname of a Linux System. Normally we will set the hostname. Change the hostname on a running system. On any Linux system you can change its hostname with the command ‘ hostname. Hellip; Here are some quick usages of the command line hostname:. Without any parameter it will output the current hostname of the system. It will output the fully qualified domain name (or FQDN) of the system. Permanent hostname change on Debian based systems. To read the sav...
Moving your website to another server? Tune your DNS for minimum downtime. - MDLog:/sysadmin
http://www.ducea.com/2006/05/21/moving-your-website-to-another-server-tune-your-dns-for-minimum-downtime
The Journal Of A Linux Sysadmin. Moving Your Website to Another Server? Tune Your DNS for Minimum Downtime. This means that based on what your current DNS configurations, for a period of time your site will be accessible on. In order to do this in the best possible way we need to be aware and understand a little about how DNS caching works. To have control over your authoritive DNS server. The parameter that we are going to tweak is: TTL value. But now is used for negative caching. So as you can see this...
Mdadm Cheat Sheet - MDLog:/sysadmin
http://www.ducea.com/2009/03/08/mdadm-cheat-sheet
The Journal Of A Linux Sysadmin. Is the modern tool most Linux distributions use these days to manage software RAID. Arrays; in the past. Was the tool we have used for this. This cheat sheet will show the most. Common usages of mdadm. 1 Create a new RAID array. Create (mdadm —create) is used to create a new array:. Mdadm - create - verbose /dev/md0 - level=1 /dev/sda1 /dev/sdb2. Or using the compact notation:. Mdadm -Cv /dev/md0 -l1 -n2 /dev/sd[ab]1. Mdadm - detail - scan /etc/mdadm.conf. Mdadm - add /de...
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The Adventures of Brainy Cat - Part 2
http://www.brainycat.com/page/2
Ob start(): non-static method wpGoogleAnalytics: get links() should not be called statically in /home/brainycat/brainycat.com/version-2.1/wp-content/plugins/wp-google-analytics/wp-google-analytics.php. All About BrainyCat.com. Formula 1 - 2009. Review: Psychopath for Hire. Monday, 02/02/2015 ≅09:43. My rating: 1 of 5 stars. Full review at booklikes. View all my reviews. Also filed under Random. Monday, 02/02/2015 ≅09:19. Read The Entire Post. Also filed under Random. Friday, 30/01/2015 ≅07:42. The Martia...
pgTAP ~ Unit Tests for PostgreSQL ~ Part II ~ | Gkoenig's Blog
https://gkoenig.wordpress.com/2011/03/15/pgtap-unit-tests-for-postgresql-part-ii
Content is almost exclusive related to IT stuff (linux, database,…). PgTAP Unit Tests for PostgreSQL Part II. On March 15, 2011. As promised in my previous post regarding pgTAP ( aka Part I ) here. I’ll continue this topic with checking some data in the database. Setup and basic handling of pgTAP was described in Part I. Format the output for nice TAP. Pset tuples only true. Revert all changes on failure. Set ON ERROR ROLLBACK 1. Set ON ERROR STOP true. Create two tables with referential constraint.
Bash | Gkoenig's Blog
https://gkoenig.wordpress.com/the-bourne-again-shell
Content is almost exclusive related to IT stuff (linux, database,…). I like working with the (bash-)shell to perform administration task on remote servers connected via ssh. To avoid typing the same commands again and again the. Will be your friend. By default every command you type will be stored in the file. In your home dir. You can check the content of your history by typing. On the command line. You’ll get an output with a number and the corresponding command. Or in the global. With a double exclama...
【翻译】kibana 的聚合执行次序
http://chenlinux.com/2015/02/25/kibana-aggregation-execution-order-and-you
原文地址 http:/ www.elasticsearch.org/blog/kibana-aggregation-execution-order-and-you/. 可能现在你已经发现了 Kibana 4 的 Visualize 界面上那些狡猾的小箭头,然后会问 你们在那干嘛呢 有啥用啊 嗯,这些按钮是用来控制聚合执行次序的。 这个就定义了 Elasticsearch 如何分析你的数据,以及 Kibana 如何展示结果。 什么叫 最活跃的用户 让我们多加几个参数 一年时间,按照每周,计算前 5 名用户。 这个截屏里,我们先运行时间轴柱状图(date histogram),然后再问前 5 名用户。 这就会给一年的每个星期创建一个桶(bucket,译者注 ES 的 聚合 API 响应内容就是以 bucket 存在的)。 在每个星期里,我们找到前 5 名用户,所以在这种情况下,每周的前 5 名用户,可能都是不一样的,最后在图例里,你就看到超过 5 个用户了。 现在,我们点击向上箭头,把 terms 聚合移到 date histogram 上面来。 Elastic 官方压测工具 rally 试用.
【翻译】用 kibana 4 调查你邻居可能投票给的人
http://chenlinux.com/2015/02/25/kibana-4-for-investigating-pacs-super-pacs-and-your-neighbors
翻译 用 kibana 4 调查你邻居可能投票给的人. 原文地址 http:/ www.elasticsearch.org/blog/kibana-4-for-investigating-pacs-super-pacs-and-your-neighbors/. 如同 fec.gov 上所说. 所以,现在 FEC 提供给了我们原始数据,我们能做什么呢 如果你不认为自己是一个会用 R 分析数据的数据科学家,或者会做漂亮的 D3.js 可视化效果的纽约时报员工,你可能这下就卡住了。 数据导入的步骤我会稍后讲,现在,先让我们看看 Kibana 4 能做到些什么。 Kibana 4 里,你应该从 Discover 标签页开始。 在上面截图里,我们看到 2013-2014 选举周期里,一共有将近 210 万条个人捐献记录。 竞选献金数前 10 名的州里,排名前 3 的城市都是哪些. 这样,要问 接收献金最多的 10 个委员会的名字是 就比较难了。 A Aggregation: 选择 Terms 因为我们是要基于字段的值来创建分片(“terms” 是 Elasticsearch 里的说法)。 判决裁定没有捐钱给具体候...
spark streaming 和 spark sql 结合示例
http://chenlinux.com/2015/02/13/spark-streaming-sql
Spark streaming 和 spark sql 结合示例. 之前在博客上演示过如果在 spark 里读取 elasticsearch 中的数据。 自然往下一步想,是不是可以把一些原先需要定期请求 elasticsearch 的监控内容挪到 spark 里完成 这次就是探讨一下 spark streaming 环境上如何快速统计各维度的数据。 Spark 是用 scala 写的,scala 的打包工具叫 sbt。 Sudo port install sbt. Mkdir -p ./logstash/src/main/scala/. 注意,因为 spark 只能用 pull 方式获取数据,所以 logstash/output/tcp 必须以. Output { tcp { codec = json lines mode = 'server' port = 8888 } }. Orgapache.spark.streaming.StreamingContext. Scalautil.parsing.json.JSON. 进阶 数据映射和 SQL 处理. 来转换成 spark SQL 支持的表类型。
Calendar — The Penguinlinux.com Blog
http://penguinlinux.serveblog.net/category/calendar
The Penguinlinux.com Blog. Linux and Open Source Software tips and hacks. Entries Tagged 'Calendar' ↓. Tsearch2 with Postgresql 8.2 errors. November 7th, 2007 — Calendar. Monday, March 5. 2007. The pain that is tsearch2 8.1 - 8.2 upgrading. Continue reading →. Loving Elastic Beanstalk in AWS. Git flow Cheat Sheet. Penguinlinux Docker Adventures Part 2 Tuning Docker. Penguinlinux Docker Adventures Part 1. Hadoop admin Cheat Sheet. How to be a great DevOps engineer and a good team member.
Hadoop Stuff — The Penguinlinux.com Blog
http://penguinlinux.serveblog.net/category/hadoop-stuff
The Penguinlinux.com Blog. Linux and Open Source Software tips and hacks. Entries Tagged 'Hadoop Stuff' ↓. Hadoop admin Cheat Sheet. July 24th, 2015 — Hadoop Stuff. Hadoop Distributed File System Shell Commands. Cat: Copies source paths to stdout. Usage: hdfs dfs -cat URI [URI ]. Hdfs dfs -cat hdfs:/. Hdfs dfs -cat file:/ /file2 /user/hadoop/file3. Usage: hdfs dfs -chgrp [-R] GROUP URI [URI ]. Usage: hdfs dfs -chmod [-R]. Example: hdfs dfs -chmod 777 test/data1.txt. Example: hdfs dfs -chown -R hduser2 /o...
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Duce 25 Ent.
Duce NA Quarter investor is a resource which gathers useful investment property lists into a single easy to use online resource. Looking to pick up some more properties for our investment portfolio? Or, are you looking for a great deal on a cheap house to live in? Duce NA Quarter Entertainment LLC is a real estate investment company. We are full-time property investors in Lithonia and specialize in finding those hidden house deals that you normally only hear about usually at 30-50% off retail value.
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Envoyer à un ami. Elle flotte, elle hésite, en un mot elle est femme." J. RACINE. Elle flotte, elle hésite, en un mot elle est femme." J. RACINE. Où les tribulations d'une ex-parisienne arrivée à la campagne par amour. Créer un blog avec CanalBlog. Duce et son monde. Blog hébergé par CanalBlog.
Blog de duce31 - blog de mat - Skyrock.com
Mot de passe :. J'ai oublié mon mot de passe. Mise à jour :. Abonne-toi à mon blog! N'oublie pas que les propos injurieux, racistes, etc. sont interdits par les conditions générales d'utilisation de Skyrock et que tu peux être identifié par ton adresse internet (54.145.69.42) si quelqu'un porte plainte. Ou poster avec :. Retape dans le champ ci-dessous la suite de chiffres et de lettres qui apparaissent dans le cadre ci-contre. Posté le vendredi 25 juillet 2008 05:02. Ou poster avec :. Ou poster avec :.
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MDLog:/sysadmin
The Journal Of A Linux Sysadmin. Speedup MySQL InnoDB Shutdown. Depending on the size of the databases you have in mysql innodb the time it takes mysql to restart can be horribly slow (for very big innodb databases). There are some tricks that can speed this up, but the most effective one that I’ve found and use all the time in similar situations is to pre-flush the dirty pages right before shutdown; this can be done like this:. Mysql set global innodb max dirty pages pct = 0;. HowTo Migrate to Chef 11.
MDLog:/sysadmin
The Journal Of A Linux Sysadmin. Speedup MySQL InnoDB Shutdown. Depending on the size of the databases you have in mysql innodb the time it takes mysql to restart can be horribly slow (for very big innodb databases). There are some tricks that can speed this up, but the most effective one that I’ve found and use all the time in similar situations is to pre-flush the dirty pages right before shutdown; this can be done like this:. Mysql set global innodb max dirty pages pct = 0;. HowTo Migrate to Chef 11.
MDLog:/sysadmin
The Journal Of A Linux Sysadmin. Speedup MySQL InnoDB Shutdown. Depending on the size of the databases you have in mysql innodb the time it takes mysql to restart can be horribly slow (for very big innodb databases). There are some tricks that can speed this up, but the most effective one that I’ve found and use all the time in similar situations is to pre-flush the dirty pages right before shutdown; this can be done like this:. Mysql set global innodb max dirty pages pct = 0;. HowTo Migrate to Chef 11.
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