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Jc García <jyo.garcia@×××××.com> [14-12-01 20:36]: |
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> 2014-12-01 12:40 GMT-06:00 <meino.cramer@×××.de>: |
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> > Rich Freeman <rich0@g.o> [14-12-01 19:16]: |
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> >> On Mon, Dec 1, 2014 at 12:46 PM, <meino.cramer@×××.de> wrote: |
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> >> > What is the difference here? |
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> >> > Isn't it, that all shutdown applications only send some instructions |
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> >> > to the kernel and the kernel is the main actor in bringing the system |
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> >> > down? |
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> >> > |
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> >> |
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> >> About the only thing the kernel might have a role in is turning off |
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> >> the power. Almost all of the shutdown logic is in userspace and it |
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> >> isn't surprising that copying scripts between distros is going to |
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> >> cause issues since the whole service management component varies |
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> >> GREATLY across distros. Maybe if you're using systemd you could copy |
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> >> between distros since that is more standardized, but even then there |
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> >> can be differences. |
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> >> |
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> >> In a traditional sysvinit system usually shutting down is accomplished |
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> >> by changing runlevels, which immediately starts/stops anything in |
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> >> inittab (generally only gettys) and calls a script which does all the |
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> >> actual work. |
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> >> |
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> >> If the issue is that userspace shuts down fine but the system reboots |
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> >> instead of powering off that could be a couple of things which |
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> >> shouldn't be too hard to track down. An obvious question is whether |
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> >> the hardware even supports being powered off in the first place - this |
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> >> isn't an ATX motherboard. Powering off a system can sometimes be |
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> >> remarkably tricky depending on how standardized the platform is. I |
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> >> was reading an article on it a few years ago and I think linux |
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> >> actually implements several different mechanisms that get tried in |
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> >> series, with the final fallback being a halt without powering off. |
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> >> |
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> >> -- |
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> >> Rich |
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> >> |
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> > |
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> > Hi Rich, |
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> > |
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> > AH! :) Thanks for the informations! |
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> > |
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> > From what you say, it is a kernel problem, since the kernel |
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> > is the one who switches off the lights... |
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> > |
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> > But even if I use the same kernel as used for the Debian system |
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> > it does not work... |
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> > |
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> > May be shutdown says "power off the system" and the kernel understands |
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> > "reboot the system"? |
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> > I mean: In principle the kernel would be able to poweroff the system |
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> > but there are some communications difficulties with the guys from |
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> > userland? ;) |
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> > |
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> > Best regards, |
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> > Meino |
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> > |
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> > |
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> > |
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> I've always turned off across linux distros (BSD is other story) with: |
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> |
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> # shutdown -hP now |
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> |
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> the help says : |
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> -h: halt after shutdown. |
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> -P: halt action is to turn off power. |
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> -H: halt action is to just halt. |
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> |
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> I've not seen you using the -P flag. |
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> |
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|
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That's why the manufacturer of the Arietta G25 - Acmesystems said |
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to use shutdown -h -H now for that purpose: |
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http://www.acmesystems.it/qa |
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Second question below the title "Arietta G25 just on top of the |
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page... |
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