Yesterday I upgraded one of my systems from Fedora 36 to Fedora 37. NUT
was upgraded to version 2.8.0. It no longer runs.
At first I thought it was because of the XFCE Power Manager program.
That program finds the UPS with no problem. I thought maybe the two
programs were competing for the UPS port. I shut down the XFCE power
manager, but that did not help NUT.
Based on the diagnostics given below, I think this is a permissions
problem at /run. The nut user does not have write permissions at /run.
Note that /run is linked as /var/run and the nut user DOES have write
permissions there.
How can I correct this?
=======================================
[root@mythtv ups]# systemctl status nut-server
nut-server.service - Network UPS Tools - power devices information server
Loaded: loaded (/usr/lib/systemd/system/nut-server.service;
enabled; preset: disabled)
Active: active (running) since Tue 2022-11-29 06:18:13 CST; 19min ago
Main PID: 11908 (upsd)
Tasks: 1 (limit: 9482)
Memory: 736.0K
CPU: 27ms
CGroup: /system.slice/nut-server.service
└─11908 /usr/sbin/upsd -F
Nov 29 06:18:13 mythtv.billgee.local upsd[11908]: Can't connect to UPS
[cyberpower] (usbhid-ups-cyberpower): No such fi>
Nov 29 06:18:13 mythtv.billgee.local nut-server[11908]: Can't connect to
UPS [cyberpower] (usbhid-ups-cyberpower): No s>
Nov 29 06:18:13 mythtv.billgee.local nut-server[11908]: Running as
foreground process, not saving a PID file
Nov 29 06:18:13 mythtv.billgee.local upsd[11908]: Running as foreground
process, not saving a PID file
Nov 29 06:23:13 mythtv.billgee.local nut-server[11908]: Can't connect to
UPS [cyberpower] (usbhid-ups-cyberpower): No such file or directory>
Nov 29 06:23:13 mythtv.billgee.local upsd[11908]: Can't connect to UPS
[cyberpower] (usbhid-ups-cyberpower): No such file or directory>
[root@mythtv ups]# usbhid-ups -a cyberpower
Network UPS Tools - Generic HID driver 0.47 (2.8.0)
USB communication driver (libusb 1.0) 0.43
writepid: fopen /var/run/usbhid-ups-cyberpower.pid: Permission denied
Using subdriver: CyberPower HID 0.6
cps_adjust_battery_scale: battery readings will be scaled by 2/3
Fatal error: unable to create listener socket
bind /var/run/usbhid-ups-cyberpower failed: Permission denied
Exiting.
[root@mythtv ups]# ll /var/run/usb*
ls: cannot access '/var/run/usb*': No such file or directory
[root@mythtv ups]# ll -d /var/run
lrwxrwxrwx. 1 root root 6 Aug 31 2014 /var/run -> ../run
[root@mythtv ups]# ll -d /run
drwxr-xr-x 55 root root 1500 Nov 28 08:22 /run
[root@mythtv ups]# tail /etc/ups/ups.conf
[cyberpower]
driver=usbhid-ups
desc="CyberPower CP1500"
port=auto
vendorid=0764
==================================================
Thanks!
--
===============
Bill Gee
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