Introduction: This research article introduces an early warning system for rain-induced mass movement for the district of Ciudad Bolívar, in Bogotá, Colombia, developed at the Universidad Distrital Francisco José de Caldas in 2018. Methods: A sensor network was developed by means of a base station, which is responsible for issuing a warning if there is a risk of landslide. Results: The data provided by the sensor network, such as humidity and temperature, issue warnings to increase the possibility of saving the lives of vulnerable population in the district. Conclusion: This project seeks to save the most important thing a human being has: his life. In addition to raising awareness among individuals of the danger of building houses in places with a high risk of landslides, the aim is to show that through technology we could save lives, warning about naturaldisasters such as landslides. Originality: In this work, a previous soil survey was conducted in Ciudad Bolívar and a warning scale was created for the system, implementing the Risk Management and Climate Change Information System ( sire ) in the district. Limitations: Scarce development of rain-induced landslide warning systems in Colombia.

La tolerancia a fallos se basa hoy día fundamentalmente en un concepto: redundancia (Guangping, y otros, 2009). La investigación busca proponer una solución para pequeñas y medianas empresas basada en una arquitectura de alta disponibilidad y tolerancia a fallos, soportada en servicios, mediante la duplicación de sus elementos críticos y la disposición redundante de elementos software y hardware que cooperen (Weiping & Ke, 2006), bien sea en forma activa-activa o activa-pasiva, siempre en forma transparente al usuario final.

El presente artículo, describe el diseño y desarrollo de una tarjeta para el encendido de un PC remoto vía MODEM como resultado parcial del proyecto de investigación Sistema de gestión en línea de un PC por Internet, donde se comunican dos computadores por Internet y se suple uno de los obstáculos que se presenta cuando una de las máquinas se encuentra fisicamente distante y apagada. Lo que busca este trabajo es no preocuparse por la máquina remota a gestionar, si no por qué tipo de información es la que se necesita intercambiar o software a instalar.

During the development of telecommunications, several encryption algorithms have been adopted and applied to wireless networks. In operating systems such as Linux, the tools for data transmission over wireless networks are reaching a level of sophistication in reference to other widespread operating systems that are supported by the manufacturers. Thus, designers of protocols for different operating systems, especially Linux, have made every effort to improve the shortcomings of the encryption algorithms. This article analyzes the performance of encryption algorithms which work on the protocols WEP, WPA and WPA2 to provide an overview of how and why wireless protocols and encryption protection must achieve a more scientific basis to detect and prevent attacks , in order to meet the shortcomings associated with encryption algorithms that are currently present.