462 resultados para Linux Linux


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Els objectius d'aquest projecte són la millora del rendiment de la plataforma Educaweb.com utilitzant un frontal equipat amb Varnish HTTP Cache, un programari lliure que permet emmagatzemar les pàgines a una memòria cau i evitar el seu processament repetitiu quan no és necessari.

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Producte de planificació de treballs batch multiplataforma basat en sistemes GNU/Linux.

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El objetivo principal del presente trabajo pretende demostrar el potencial del software libre frente al software propietario que actualmente utiliza la empresa Systemum.

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En aquest treball final de carrera es realitza estudi, així com la implementació, de la QoS (Quality of Service) en els entorns de xarxa i CPU sota el sistema operatiu Linux. L'objectiu és garantir uns determinats amples de banda, així com reservar porcions de CPU a través del nucli del S.O., per determinades aplicacions. D'aquesta manera es podrà obtenir una execució més eficient d'aquestes aplicacions.

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La herramienta de monitorización de clusters MoniTo debe estar preparada ante los constantes cambios en el kernel de Linux que la pudieran dejar inutilizable. Para evitarlo se ha modificado su implementación utilizando librerías Libgtop. También se ha modificado su interfaz web para adaptarla a los nuevos tiempos, optimizar su funcionamiento y dotarla de nuevas posibilidades.

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CompP2P és una interfície gràfica implementada amb Java Swing 1.5 del Sistema de Còmput Distribuït P2P CompP2P. És una interfície gràfica polivalent, és a dir, pot ésser usada en diferents sistemes operatius (Linux, Mac0sX, Windows) i per tant ha d'ésser una aplicació multiplataforma. S'ha aconseguit millorar la gestió de tots els recursos de CompP2P mitjançant una interfície gràfica molt usable i també amb modificacions efectuades en el sistema base CompP2P on s'han afegit i/o millorat aspectes com la comunciació remota, les comandes de gestió del sistema, etc.

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El present document intenta donar a conèixer una forma de millorar la funcionalitat i optimitzar els costos d'ús de les Tecnologies de la Informació i la Comunicació (TIC) en l'àmbit dels centres educatius.

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Este TFC es un humilde intento de encajar el software libre en el ambiente de una oficina de farmacia, configurando un entorno de intranet y desarrollando una aplicación para la actividad de formulación magistral.

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Sistema de creación y ejecución de scripts en hosts remotos (servidores o equipos clientes).

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Aquest treball sintetitza el desplegament dels serveis de xarxa més importants i comuns per donar servei a una organització fictícia de tamany mitjà, amb uns 40 llocs de treball. Des de la instal·lació dels servidors amfitrions fins a la configuració de totes les màquines virtuals, es descriu tot el que cal fer per obtenir una infraestructura de sistemes d'informació amb serveis complets de correu, directori, DNS, web, eines de desenvolupament, gestor de projectes, i altres, totes basades íntegrament en programari lliure.

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Earth System Models (ESM) have been successfuly developed over past few years, and are currently beeing used for simulating present day-climate, seasonal to interanual predictions of climate change. The supercomputer performance plays an important role in climate modeling since one of the challenging issues for climate modellers is to efficiently and accurately couple earth System components on present day computers architectures. At the Barcelona Supercomputing Center (BSC), we work with the EC- Earth System Model. The EC- Earth is an ESM, which currently consists of an atmosphere (IFS) and an ocean (NEMO) model that communicate with each other through the OASIS coupler. Additional modules (e.g. for chemistry and vegetation ) are under development. The EC-Earth ESM has been ported successfully over diferent high performance computin platforms (e.g, IBM P6 AIX, CRAY XT-5, Intelbased Linux Clusters, SGI Altix) at diferent sites in Europ (e.g., KNMI, ICHEC, ECMWF). The objective of the first phase of the project was to identify and document the issues related with the portability and performance of EC-Earth on the MareNostrum supercomputer, a System based on IBM PowerPC 970MP processors and run under a Linux Suse Distribution. EC-Earth was successfully ported to MareNostrum, and a compilation incompatibilty was solved by a two step compilation approach using XLF version 10.1 and 12.1 compilers. In addition, the EC-Earth performance was analyzed with respect to escalability and trace analysis with the Paravear software. This analysis showed that EC-Earth with a larger number of IFS CPUs (<128) is not feasible at the moment since some issues exists with the IFS-NEMO balance and MPI Communications.

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This project focuses on studying and testing the benefits of the NX Remote Desktop technology in administrative use for Finnish Meteorological Institutes existing Linux Terminal Service Project environment. This was done due to the criticality of the system caused by growing number of users as the Linux Terminal Service Project system expands. Although many of the supporting tasks can be done via Secure Shell connection, testing graphical programs or desktop behaviour in such a way is impossible. At first basic technologies behind the NX Remote Desktop were studied, and after that started the testing of two possible programs, FreeNX and NoMachine NX server. Testing the functionality and bandwidth demands were first done in a closed local area network, and results were studied. The better candidate was then installed in a virtual server simulating actual Linux Terminal Service Project server at Finnish Meteorological Institute and connection from Internet was tested to see was there any problems with firewalls and security policies. The results are reported in this study. Studying and testing the two different candidates of NX Remote Desktop showed, that NoMachine NX Server provides better customer support and documentation. Security aspects of the Finnish Meteorological Institute had also to be considered, and since updates along with the new developing tools are announced in next version of the program, this version was the choice. Studies also show that even NoMachine promises a swift connection over an average of 20Kbit/s bandwidth, at least double of that is needed. This project gives an overview of available remote desktop products along their benefits. NX Remote Desktop technology is studied, and installation instructions are included. Testing is done in both, closed and the actual environment and problems and suggestions are studied and analyzed. The installation to the actual LTSP server is not yet made, but a virtual server is put up in the same place in the view of network topology. This ensures, that if the administrators are satisfied with the system, installation and setting up the system will go as described in this report.

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Trabajo final de carrera sobre el uso del software libre para la construcción de un sistema para el registro, centralización y análisis de eventos en un entorno corporativo multiplataforma.

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The project presented, iCognos, consists of a flexible platform to assist end-users in performing a series of mental tasks with a sensitized mobile telerobotic platform aimed at mitigating the problems associated to cognitive disorders with an ecological cognition approach.

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Creació d'una plataforma thin client per a una empresa.