solrac
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Cloud computing con Linux y Apache Hadoop
Nos mandan este artículo introductirio a los conceptos de “Cloud computing” utilizando servidores Linux y el serv idor de Web Apache: This article shows you how to use Apache Hadoop to build a MapReduce framework to make a Hadoop Cluster and how to create a sample MapReduce application which runs on Hadoop. You will also… Continue reading
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Las 10 cosas que han impulsado el mundo de Linux
La gente de IBM esta celebrando los 10 años de su portal de información DeveloperWorks y nos mandan una nota de los eventos que consideran trascendentales en el mundo de Linux (desde su punto de vista): Much too much has happened with Linux in the last 10 years to do anything like a complete job… Continue reading
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Manejo de texto y filtrado en la línea de comando
Nos mandan un artículo introductorio al uso de utilerías para el filtrado de texto en la línea de comando de Unix/Linux: There’s a lot more to text manipulation than cut and paste, particularly when you aren’t using a GUI. This article introduces you to text manipulation on Linux using filters from the GNU textutils package.… Continue reading
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Introducción a Bash
Nos mandan una guía de comandos básicos de Bash: GUIs are fine, but to unlock the real power of Linux, there’s no substitute for the command line. Get to know some of the major features of the bash shell. By the end of this article, you will be comfortable using basic Linux commands like echo… Continue reading
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Monitoreando logs con multitail y watch
Nos mandan un artículo sobre como usar “multitail” y “watch” para monitorear log files: Monitoring system logs or the status of a command that produces file or directory output are common tasks for systems administrators. Learn how to use two popular open source tools simplify these activities for modern systems administrators: the multitail and watch… Continue reading
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Git para usuarios de Subversion
Para los amantes de los sistemas de control de versiones para su código fuente, la gente de IBM nos manda la primera parte sobre el uso de Git para los usuarios que tengan algo de conocimiento previo en Subversion: Distributed version control systems (DVCSs) offer a number of advantages over centralized VCSs, and for Subversion… Continue reading
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Guía de errores comunes en Unix-Linux
Nos mandan una guía de los errores mas comunes cometidos en ambientes de Unix-Linux: This article explains UNIX and Linux errors and provides workarounds and resolutions to them that may crop up. Discover the most common errors in UNIX and Linux and how to avoid them. Continue reading
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Introducción a VimScript
Nos mandan un artículo introductorio a Vimscript, que es un método para extender y automatizar tareas en el editor de texto vim (VImproved): In part-1 you can begin to understand the fundamental components of the Vimscript programming language with simple script examples. In Part-2 you can learn how to create and deploy new user defined… Continue reading
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usando Esteganografía para evitar ser observado
Nos mandan un artículo introductorio a las técnicas de esteganografía (esconder información dentro de otra): Some of the more nefarious Steganography tactics include hiding information for illegal reasons. In fact, organizations such as Al-Qaeda and other terrorist are known to use this process to hide information in harmless images hosted on Web sites. Learn whats… Continue reading
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Usando las listas de acceso con NFS v4
Nos mandan un artículo de como usar los ACL’s (Access Control List) de la nueva NFSv4 (Network File System – Version 4): Here’s a great cheat sheet on managing NFSv4 ACLs on different filesystem with different commands. This article discusses and compares the different commands that you might use to migrate from one filesystem to… Continue reading