September 2024
Intermediate to advanced
544 pages
12h 2m
Spanish
Content preview from Libro de cocina Linux, 2ª edición
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Capítulo 2. Gestión del gestor de arranque GRUB
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El gestor de arranque es el software que carga tu sistema operativo después de encender el ordenador. El gestor de arranque GRUB (GRand Unified Bootloader) es el más utilizado en Linux.
GRUB admite una serie de funciones útiles: arranque de varios sistemas operativos en un mismo PC, edición en vivo de la configuración, interfaz tematizable y modos de rescate. En este capítulo aprenderás todo esto.
GRUB frente a GRUB 2
Hay dos versiones principales de GRUB, GRUB heredado y GRUB 2. GRUB 2 es la versión 1.99 y posteriores. GRUB heredado terminó en la versión 0.97 en 2005. Muchos tutoriales sobre GRUB todavía hacen referencia a GRUB heredado y lo comparan con GRUB 2. En este capítulo no voy a hablar de GRUB heredado. Lleva retirado mucho tiempo y tiene poca relevancia para el uso de GRUB 2, así que este capítulo se centrará exclusivamente en GRUB 2.
Algunas distribuciones Linux utilizan la nomenclatura GRUB simple, otras utilizan GRUB 2. Por ejemplo, Ubuntu tiene el directorio /boot/grub/ y el comando grub-mkconfig, y Fedora los llama /boot/grub2/ y grub2-mkconfig. Comprueba las rutas y los nombres de tus archivos. En este capítulo utilizo el esquema de nombres de Ubuntu, excepto en los ejemplos específicos de cada distro.
Iniciar un ordenador no ha cambiado mucho desde que se construyó el UNIVAC, allá por los años 40 ...
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