Posts Tagged ‘Unix’

Oferta de Empleo para Soporte Técnico para Sistemas Transaccionales

Friday, June 29th, 2012

Estimados Cofrades, en la empresa que laboro estamos buscando personal, pongo a su consideración el perfil requerido, si estan interesados favor de enviar su curriculum a cvargas en subtech.com.mx.

Soporte Técnico para Sistemas Transaccionales

PERFIL: Soporte Técnico para Sistemas Transaccionales

Estudios: Ingeniería o Licenciatura en Sistemas o Afín.
Edad: Máximo 35
Experiencia: Mínimo 1 año

Conocimientos Básicos:
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Utilizando 3 capas de autentificación en SSH

Wednesday, September 1st, 2010

Nos mandan un artículo de como crear un metodo de autentificación de varias capas usando SSH y PAM para hacer mas seguros los accesos a nuestros sistemas

Security always requires a multi-layered scheme. SSH is a good example of this. Methods range from simple sshd configuration through the use of PAM to specify who can use SSH, to application of port-knocking techniques, or to hide the fact that SSH access even exists. Applying these techniques can make life much harder for possible intruders, who will have to go past three unusual barriers.

Introducción a esquemas de Fail-Over usando PowerHA

Tuesday, August 24th, 2010

Nos mandan un artículo sobre como implementar esquemas de Fail-over en sistemas AIX. Independientemente del operativo que menciona, se me hace una buena referencia introductoria a esquemas de Fail-over para cualquier sistema operativo:

PowerHA for AIX is the new name for HACMP (High Availability Cluster Multiprocessing). HACMP is an application that makes system fault resilient and reduces downtime of applications. This article introduces PowerHA and provides a detailed explanation of how to configure a two node cluster. This document is very useful for understanding PowerHA and setting up a two node cluster.

Bazaar: Un poderoso control de versiones para desarrolladores

Friday, August 20th, 2010

Nosn mandan un artículo introductorio a Bazaar, que es un sistema controlador de versiones tipo CVS, Subversion, GIT, etc.

Bazaar is used to produce the Ubuntu Linux distribution, which is an enormous software project with thousands of components. If you’re using a UNIX or Linux system, chances are that your distribution offers a pre-built Bazaar package. Bazaar is flexible enough to accommodate Subversion – a centralized system and Git – a decentralized system. This article introduces you to Bazaar‘s many appealing features.

Actualizaciones en vivo del Kernel usando Ksplice

Wednesday, August 4th, 2010

Nos mandan un artículo de como parchar el Kernel de Unix sin tener que detener operación, o al menos el menor tiempo posible:

Ksplice applies kernel patches on-the-fly – no reboot required — in a fraction of a second. Here’s a hands-on guide to performing painless system updates. Learn how to patch a live kernel and give reboots the boot.

Creando herramientas para GIMP

Saturday, July 24th, 2010

Nos mandan un artículo de como utilizar el código fuente de GIMP (GNU Image Manipulation Program) para añadir características nuevas a este:

The GNU Image Manipulation Program (GIMP) is a robust application for editing and manipulating digital images. In this article, you will learn how to get started with the GIMP code, how to build the project from the Git repositories, and how to find your way around the code tree. And you will build an example application that creates a whole new painting tool for the program.

Capturando las interacciones de programas en Unix/Linux

Wednesday, June 23rd, 2010

Nos mandan un artículo de como capturar las salidas y entradas de programas en Unix/Linux

Modern UNIX systems provide a number of different tools to capture the text-oriented interaction between a user and a specific program and to capture graphical screens and single windows. This article focuses on different ways to keep a record of the interaction between a user and a command-line application.

Análisis de redes y protocolos en Unix

Wednesday, June 9th, 2010

Nos mandan un artículo de como identificar protocolos y tráfico en la red para mejorar su rendimiento y vigilar su actividad…

Some UNIX protocols need investigation to understand what they are doing and what information they are exchanging. In this article, we will take a look at techniques for performing detailed analysis of the protocols in use on your UNIX network.

Consejos para usar variables ambientales y SSH

Friday, May 28th, 2010

Nos mandan unos consejos para uso de variables ambientales y SSH en Unix:

You don’t have to break into a Watergate office to uncover the secrets of UNIX power users. There’s an informant, and he’s spilling the beans. Learn why Environment Variables, the dot file, and the Secure Shell (SSH) are very important.

Consejos y trucos para el uso de Emacs

Sunday, December 6th, 2009

Nos mandan una serie de ligas con algunos consejos y trucos para el uso de Emacs, que como escuche alguna vez: “Es el único ambiente operativo para programador que lo único que necesita es un buen editor de texto” … :P

Master the rich features of the Emacs editor. It’s unlike any other program you’re likely to have encountered. Delve into the depths of its most advanced editing commands that have made it famous.