[Nut-upsuser] iMAC does not shutdown

Charles Lepple clepple at gmail.com
Fri Jun 5 02:21:16 UTC 2015

On Jun 4, 2015, at 10:41 AM, Simone Severini <severini.simone at gmail.com> wrote:

> Thanks for your help!
> In red below.
> Cheers
> simone
> On Thu, Jun 4, 2015 at 2:45 PM, Charles Lepple <clepple at gmail.com> wrote:
> On Jun 3, 2015, at 11:45 AM, Simone Severini <severini.simone at gmail.com> wrote:
>> Hi everybody!
>> It has been a journey but I almost manage to make my UPS properly communicate.
>> This is the config:
>> UPS Mecer/Mustek 2000 VA connected via USB with blazer_usb driver. 
>> MASTER Raspberry PI-1 
>> SLAVE Raspberry PI-2 
>> SLAVE iMac OSX 10.10.3 
>> I can get access to the UPS from any of the three devices successfully.
>> Problems:
>> 1. When I launch /usr/local/ups/sbin/upsmon -c fed for testing I see Rasp-2 Slave going down, Rasp-1 going down, iMac completely ignoring and not receiving any broadcast message on the terminal then brutally killed as the UPS auto shutdown.
> If you search for 'upsmon' in /var/log/system.log on the iMac, does it appear to be logged in to upsd on the master?
> Jun  4 16:34:23 Simone.Home upsmon[1081]: writepid: fopen /opt/local/var/run/upsmon.pid: Permission denied
> Jun  4 16:34:24 Simone.Home upsmon[1081]: Login on UPS [ME-2000 at] failed - got [ERR ACCESS-DENIED] 
> So there is one problem. How can I change permission on upsilon.pid.

The driver writes the PID file when it starts, and it drops privileges to a system username specified at ./configure time. So you would need to allow that user to write to /opt/local/var/run/ (or better yet, a NUT-specific subdirectory like /opt/local/var/run/nut).

> The access denied is it due to wrong username/password?
Yes. Bear in mind that these are NUT users defined in etc/upsd.users, not system usernames.

> My Mac has a local UPS, so I haven't looked into whether upsmon properly reconnects after sleep.
>> 2. When I have done a live test, the Master Rasp never intercepted any FLAG from UPS and UPS just died but halting just RASP-1 properly (connected via cable). iMac ignored the whole procedure.
> You didn't mention which version of NUT you are using, but for recent versions, both the blazer_usb and nutdrv_qx drivers can be configured to generate their own LB signal based on runtime or percent charge. See the documentation for 'ignorelb' in ups.conf.
> Thanks. I'm running Network UPS Tools upsmon 2.6.5-Unversioned directory 

From MacPorts?

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