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Diffstat (limited to 'SW/pmset-linux-workaround/document.en.rest.txt')
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diff --git a/SW/pmset-linux-workaround/document.en.rest.txt b/SW/pmset-linux-workaround/document.en.rest.txt deleted file mode 100644 index c510d0f..0000000 --- a/SW/pmset-linux-workaround/document.en.rest.txt +++ /dev/null @@ -1,63 +0,0 @@ -=================================== - Waking up a Mac at a certain time -=================================== -:CreationDate: 2008-10-02 18:10:00 -:tags: software - -I have an old G3 iBook that I use to perform backups (using -rsnapshot_). The scripts that run the backup process start it as soon -as the machine wakes up, and put it back to sleep afterwards (using -pbbuttonsd_). Problem: every time I want to run a backup, I have to -manually wake the machine up (by pressing the power button, or opening -the lid). Clearly I'd like for the backup to happen ever if I forget, -or if I'm not at home. - -How it works on `Mac OS X` -========================== - -If that iBook were running `Mac OS X`, it would be easy:: - - pmset repeat wake MTWRFSU 05:00:00 - -and it would wake up automatically, every day at 5 in the morning -(those letters are ugly abbreviations for the English names of the -days of the week). - -But I have Linux running on that machine! - -Can it be done in Linux? -======================== - -It seems it can't: ``drivers/macintosh/via-pmu.c``, the Power -Management Unit's driver, implements only a couple of functions. - -How did I manage? -================= - -Using a trick. I started with the `Mac OS X` 10.4 installation disk, -opened a Terminal, and run ``pmset``. Which did not work, giving me an -error 0xe00002bc. Digging a bit on the Web we discover that such error -means more or less "I can't write a file". *Write a file*? Whoever -asked for such a thing? - -Reading more attentively the documentation_ for ``pmset``, we discover -that it writes a couple of file in -``/Library/Preferences/SystemConfiguration``. Obviously, having booted -off a CD, that directory is read-only. - -I can't find a way to create a ``tmpfs`` or similar, so I take a USB -stick and try to mount it. It does not work: there are no drivers for -`FAT`, or something. OK, I just format it `HFS`, and finally I mount -it:: - - mount -o union -t hfs /dev/disk5s1 /Library/Preferences/SystemConfiguration - -I re-run ``pmset``, nd finally the configuration is set. - -.. _rsnapshot: http://www.rsnapshot.org/ - -.. _pbbuttonsd: http://pbbuttons.berlios.de/ - -.. _documentazione: - http://developer.apple.com/documentation/Darwin/Reference/ManPages/man1/pmset.1.html - |