September 2024
Intermediate to advanced
248 pages
7h 13m
Spanish
Content preview from Administración Práctica de Sistemas Linux
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Capítulo 10. Guiones y automatización
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Los administradores de sistemas automatizan lo que pueden. Pero no se puede automatizar todo. La automatización es algo bueno, pero tiene sus limitaciones. En este capítulo hablo de los pros y los contras de la automatización. Algunas tareas son difíciles de automatizar porque implican demasiadas variables. Y la automatización conlleva algunos riesgos de seguridad, porque automatizar tareas que requieren privilegios elevados crea agujeros de seguridad que pueden comprometer el sistema. Otros obstáculos a la automatización son la desviación temporal, los fallos del sistema, las condiciones de error de script y las interacciones humanas.
Crear guiones y automatizar tareas es desafiante y divertido. Ver cómo una serie de scripts y programaciones funcionan según lo previsto para imitar las pulsaciones de teclas, decisiones y actividades humanas es gratificante. Todo administrador de sistemas debe saber crear guiones shell básicos y debería automatizar todas las tareas repetitivas no privilegiadas posibles. Este capítulo abarca los conceptos de creación de scripts y automatización, pero no la mecánica de bajo nivel de la creación de scripts (bucles, E/S de archivos, etc.), que está bien documentada en la web.
Responder a la pregunta: ¿Por qué automatizar?
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.