[Nut-upsuser] Usbhip-ups going wild

Antoine Gatineau antoine.gatineau at alcatel-lucent.com
Mon Aug 3 08:25:27 UTC 2009

Thanks for the info.
I use the first approach. 
So, if I understood well, the nut-hal support (ie, the --with-hal) is used
only for the 2nd approach. Udev rules are dealt when using --with-usb.
Is that correct?
If so, I might be able to rebuild the nut-2.4.1 pachage for RHEL4.
For packaging help (I think I might need some for the next stage ;-) ) do I
continue this thread or use the nut-packaging list (or both).


De : Arnaud Quette [mailto:aquette.dev at gmail.com] 
Envoyé : vendredi 31 juillet 2009 21:41
À : Antoine Gatineau
Cc : Charles Lepple; nut-upsuser
Objet : Re: [Nut-upsuser] Usbhip-ups going wild

salut Antoine,

2009/7/31 Antoine Gatineau <antoine.gatineau at alcatel-lucent.com>

I might ask a stupid question but isn't hal used to manage the UPS device
and connection through udev rules?
I though that hal was mostly usefull with usb...

In the nut-hal document, it is said that HAL "allows NUT drivers to feed the
HAL system, which will itself feeds
applications such as the Gnome Power Manager"
Does that mean hal is not used for managing the battery itself but sees the
nut driver as a "pseudo real  battery"? In this case, indeed, I do not need
I use upsmon for power management.

not at all. there are 2 approaches:
- the standard one, where you have a driver (usbhid-ups), upsd and upsmon.
udev only applies the device privileges rules.
- the Integrated Power Management approach, where NUT USB driver can feed
data to HAL (instead of upsd), replacing the basic USB/HID support in HAL.
Note that HAL is being superseded by DeviceKit and DeviceKit-power.
This approach will probably be abandonned...

-----Message d'origine-----
De : Charles Lepple [mailto:clepple at gmail.com]

Envoyé : vendredi 31 juillet 2009 15:08

À : Antoine Gatineau
Cc : 'nut-upsuser'
Objet : Re: [Nut-upsuser] Usbhip-ups going wild

On Jul 31, 2009, at 9:03 AM, Antoine Gatineau wrote:

> Indeed, nut depends on some packages not the distribution itself.
> You are surely right.
> Anyway, here are the links :
> RHEL 4 : ftp://rpmfind.net/linux/EPEL/4ES/SRPMS/
> nut-2.2.0-4.el4.src.rpm
> RHEL 5 : nut-2.4.1 found only on this one
> http://wolfy.fedorapeople.org/nut/SRPM/

use that one.
install it and edit the spec.
modifying --with-all by --with-usb should be sufficient.

Linux / Unix Expert R&D - Eaton - http://www.eaton.com/mgeops
Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
Debian Developer - http://www.debian.org
Free Software Developer - http://arnaud.quette.free.fr/

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