25 septiembre 2007

Suspender o Hibernar Ubuntu desde la línea de comandos

Supender e hibernar un sistema operativo es bastante simple: no hay más que indicarlo a la hora de apagar el sistema.

La diferencia entre suspensión e hibernación debe estar clara:
  • La suspensión (estado S3) mantiene información en RAM, por lo que hay que seguir alimentándola, y el resto del sistema se apaga.
  • La hibernación (estado S4) almacena la información en el disco duro y todo el sistema se apaga.
Antes de todo debemos asegurarnos que el equipo en Linux soporta ACPI. Podemos comprobarlo ejecutando acpi_available y comprobando el estado de $?. Si es 0 estará activado, si es 1 no:

acpi_available
echo $?

Bien, ¿como se puede ejecutar la suspensión e hibernación en Ubuntu desde la línea de comandos? Pues con el comando script pmi (como root):

pmi action suspend

pmi action hibernate

23 comentarios:

Anónimo dijo...

Hola,
gracias por tu nota sobre suspension/hibernacion. Tengo sin embargo el problema de que una vez que entra en uno de esos modos el sistema, no reacciona mas y tengo que reiniciarlo. Sabes cual puede ser la causa de que ya no "despierte" mas y tenga que reiniciarlo? Gracias. O.A. Mendez

Joaquin Arias dijo...

Hola,

Comprueba que tienes acpi activado con acpi_available.

Comprueba como puedes volver a arrancar en /proc/acpi/wakeup (PWRB y SLPB deben estar enable).

Un saludo.

ivan dijo...

hola. Hay un paquete en el repositorio de debian (imagino que en ubuntu tambien) que se llama hibernate que puede hacer todavia mas facil la tarea de hibernar el pc.

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d10z dijo...

Que tal amigo, he leido su articulo sobre la suspension de la maquina y la de Hiibernar. Me gustaria saber de que manera puedo en consola, programar esos comandos para que se puedan realizan al cabo de 20 o 60 minutos.Gracias

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