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"Este libro presenta los conocimientos necesarios para la buena explotación de los sistemas Linux, de diferentes distribuciones, tanto en redes locales como en redes extendidas. Está dirigido a cualquier que quiera garantizar la instalación y la configuración de servidores Linux y que quiera implementar las aplicaciones habituales en los entornos Open Source. Es conveniente tener una conocimiento razonable de la línea de comandos Unix o Linux para sacar provecho este libro. La gestión del hardware cubre las técnicas avanzadas de almacenamiento (local o iSCSI), el reconocimiento de los dispositivos por parte del sistema, así como la configuración del a la red. La istración del sistema operativo aborda el arranque del sistema (en modo tradicional Unix System V o por systemd), la implementación de los diferentes tipos de sistemas de archivos, la gestión de las cuentas de , locales o en un directorio. Una buena parte del libro está dedicado a los equipamientos de infraestructura como los servidores DNS y DH, los servicios de aplicaciones comunes como la compartición de ficheros y el correo, así como los servicios web (Apache, Nginx, squid). No se olvida la seguridad, ya sea en los servicios de las aplicaciones tratadas o sobre el mismo sistema con la configuración y la utilización del cortafuegos nativo de los sistemas Linux. Hay un capítulo dedicado al seguimiento de los recursos y a los principios de planificación de carga. El autor ha creado este libro como una caja de herramientas en la que el encuentra los elementos necesarios para la explotación de los sistemas y de los diferentes servicios de aplicaciones presentes en sus redes."