[Nut-upsuser] Fedora 40 nut-server not starting at boot

Tim Dawson tadawson at tpcsvc.com
Sun Jul 28 19:53:16 BST 2024


Wants=network.target network-online.target
After=network.target network-online.target

Seems to be the case on RedHat8, and other RedHat based distros should match.

On July 28, 2024 1:56:49 PM EDT, Bill Gee <bgee at campercaver.net> wrote:
>These files came from the distro package.  I did not change anything myself.  Systemd newbie here ...
>
>So the detailed question is - Exactly what change is needed to add the network-target dependency?  I suspect it is not enough to simply remove the comment symbol on those two lines.
>
>===============
>Bill Gee
>
>On 7/28/24 10:10, Tim Dawson wrote:
>> Seems like you would also want the "network-target" dependency, since nut will likelynfail without networking being up. (This would also explwin why the sysctl start ... works after boot, but not during . . .
>> 
>> 
>> On July 28, 2024 10:37:15 AM EDT, Bill Gee <bgee at campercaver.net> wrote:
>> 
>>     I have also been having this problem. Checking a few of the files
>>     that Jim mentions, I find the following content. This is on Fedora
>>     40 and the nut package is 2.8.2-1.fc40. As Rick reports, running
>>     "systemctl start nut-server.service" makes it all happy. I just have
>>     to remember to do that whenever I reboot the system.
>> 
>>     I find no disabled services related to nut. If any of them were
>>     masked, then they should not be startable at all.
>> 
>>     /usr/lib/systemd/system/nut.target =========
>>     # Network UPS Tools (NUT) systemd integration
>>     # Copyright (C) 2011-2023 by NUT contirbutors
>>     # Distributed under the terms of GPLv2+
>>     # See https://networkupstools.org/ <https://networkupstools.org/>
>>     # and https://github.com/networkupstools/nut/
>>     <https://github.com/networkupstools/nut/>
>> 
>>     [Unit]
>>     Description=Network UPS Tools - target for power device drivers,
>>     data server and monitoring client (if enabled) on this system
>>     After=local-fs.target nut-driver.target nut-server.service
>>     nut-monitor.service
>>     Wants=local-fs.target nut-driver.target nut-server.service
>>     nut-monitor.service
>>     # network.target
>> 
>>     [Install]
>>     WantedBy=multi-user.target
>> 
>> 
>>     /usr/lib/systemd/system/nut.target =========
>>     # Network UPS Tools (NUT) systemd integration
>>     # Copyright (C) 2011-2023 by NUT contirbutors
>>     # Distributed under the terms of GPLv2+
>>     # See https://networkupstools.org/ <https://networkupstools.org/>
>>     # and https://github.com/networkupstools/nut/
>>     <https://github.com/networkupstools/nut/>
>> 
>>     [Unit]
>>     Description=Network UPS Tools - target for power device drivers on
>>     this system
>>     After=local-fs.target
>>     # network.target
>>     PartOf=nut.target
>> 
>>     [Install]
>>     WantedBy=nut.target
>>     ------------------------------------------------------------------------
>>     Bill Gee
>> 
>>     On 7/28/24 08:01, Jim Klimov via Nut-upsuser wrote:
>> 
>>         For general troubleshooting, take a look at `journalctl -xln`
>>         (started as `root`) to see details of systemd unit state
>>         transitions. It is as close as I could get to guessing (still)
>>         why the framework decides to do some things it does.
>> 
>>         I wonder if the packaging misses (or did not activate) a
>>         dependency definition to start NUT in the first place. Vanilla
>>         code includes several `*.target` unit files, namely `nut.target`
>>         as the umbrella which `Wants=local-fs.target nut-driver.target
>>         nut-server.service nut-monitor.service` and is
>>         `WantedBy=multi-user.target`, and `nut-driver.target` which
>>         `nut-driver@*.service` instances managed by NDE
>>         https://github.com/networkupstools/nut/wiki/nut%E2%80%90driver%E2%80%90enumerator-(NDE) <https://github.com/networkupstools/nut/wiki/nut%E2%80%90driver%E2%80%90enumerator-(NDE)> <https://github.com/networkupstools/nut/wiki/nut%E2%80%90driver%E2%80%90enumerator-(NDE) <https://github.com/networkupstools/nut/wiki/nut%E2%80%90driver%E2%80%90enumerator-(NDE)>> can claim to be `WantedBy`.
>> 
>>         The expected state is, following clues from
>>         https://github.com/networkupstools/nut/wiki/Building-NUT-for-in%E2%80%90place-upgrades-or-non%E2%80%90disruptive-tests#replacing-a-systemd-deployment <https://github.com/networkupstools/nut/wiki/Building-NUT-for-in%E2%80%90place-upgrades-or-non%E2%80%90disruptive-tests#replacing-a-systemd-deployment> <https://github.com/networkupstools/nut/wiki/Building-NUT-for-in%E2%80%90place-upgrades-or-non%E2%80%90disruptive-tests#replacing-a-systemd-deployment <https://github.com/networkupstools/nut/wiki/Building-NUT-for-in%E2%80%90place-upgrades-or-non%E2%80%90disruptive-tests#replacing-a-systemd-deployment>> that the modern-Linux-distro packaging would deliver the unit files, run `|systemctl daemon-reload|`, maybe explicitly run `|systemd-tmpfiles --create|` (otherwiseOS boot or start-up of service units should take care of this), and `|systemctl disable|` + `|systemctl enable|` the delivered units, making them known and registering them with systemd dependency tree (notably the `WantedBy=multi-user.target`part of the `nut.target` umbrella unit). They may use or not a https://www.freedesktop.org/software/systemd/man/latest/systemd.preset.html <https://www.freedesktop.org/software/systemd/man/latest/systemd.preset.html> <https://www.freedesktop.org/software/systemd/man/latest/systemd.preset.html <https://www.freedesktop.org/software/systemd/man/latest/systemd.preset.html>> file for this (currently vanilla NUT sources do not ship one).
>> 
>>         Also note that individual units (services, targets, ...) may be
>>         explicitly `disable`'d or even `mask`'ed as you manage your
>>         system, so that may also come into play.
>> 
>>         Hope this helps,
>>         Jim Klimov
>> 
>> 
>> 
>>         On Sun, Jul 28, 2024 at 12:54 AM Rick Dicaire via Nut-upsuser
>>         <nut-upsuser at alioth-lists.debian.net
>>         <mailto:nut-upsuser at alioth-lists.debian.net
>>         <mailto:nut-upsuser at alioth-lists.debian.net>>> wrote:
>> 
>>         Hi folks, I'm having an issue with getting nut-server to start at
>>         boot on a freshly installed Fedora 40 desktop. Seems once the
>>         machine is up, I can manually start with systemctl start nut-server
>>         and everythings fine.
>> 
>>         dnf info nut
>>         Last metadata expiration check: 2:08:11 ago on Sat 27 Jul 2024
>>         03:48:13 PM EDT.
>>         Installed Packages
>>         Name         : nut
>>         Version      : 2.8.2
>>         Release      : 1.fc40
>>         Architecture : x86_64
>>         Size         : 12 M
>>         Source       : nut-2.8.2-1.fc40.src.rpm
>>         Repository   : @System
>>          From repo    : updates
>>         Summary      : Network UPS Tools
>>         URL          : https://www.networkupstools.org/
>>         <https://www.networkupstools.org/>
>>         <https://www.networkupstools.org/
>>         <https://www.networkupstools.org/>>
>>         License      : GPL-2.0-or-later AND GPL-3.0-or-later
>>         Description  : These programs are part of a developing project to
>>         monitor the assortment
>>                       : of UPSes that are found out there in the field. Many
>>         models have serial
>>                       : ports of some kind that allow some form of state
>>         checking. This
>>                       : capability has been harnessed where possible to
>>         allow for safe shutdowns,
>>                       : live status tracking on web pages, and more.
>> 
>> 
>>         I've tried with specific LISTEN lines in upsd.conf, also tried
>>         without one specified. Same result, service doesn't start at boot.
>>         No apparent errors reported either:
>> 
>>         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)
>>              Drop-In: /usr/lib/systemd/system/service.d
>>                       └─10-timeout-abort.conf
>>               Active: inactive (dead)
>> 
>>         In /usr/lib/systemd/system/nut-server.service there's mention of:
>> 
>>         # The `upsd` is a networked service (even if bound to a `localhost`)
>>         # so it requires that the OS has some notion of networking already.
>>         # Extending the unit does not require *this* file to be edited, you
>>         # can instead drop in an additional piece of configuration, e.g. to
>>         # require that NUT data server only starts after external networking
>>         # is configured (usable IP addresses appear in the system) you can
>>         # add a `/etc/systemd/system/nut-server.service.d/network.conf`
>>         with:
>>         #   [Unit]
>>         #   Requires=network-online.target
>>         #   After=network-online.target
>> 
>>         However adding this file with those three lines (uncommented yes)
>>         still results in no nut-server running, with and without LISTEN
>>         lines in upsd.conf.
>> 
>>         Since there's no issues starting the service manually after reboot,
>>         I feel like this is some kind of systemd thing as opposed to a nut
>>         config issue.
>> 
>>         Various config file contents:
>> 
>>         nut.conf
>>         MODE=netserver
>> 
>>         ups.conf
>>         maxretry = 3
>>         [cp1500]
>>         driver = usbhid-ups
>>         port = auto
>>         vendorid = 0764
>>         pollinterval = 5
>>         desc = "toshiba: TV, roku, switch"
>> 
>>         upsd.conf
>>         LISTEN 0.0.0.0 3493
>> 
>>         upsmon.conf
>>         MONITOR cp1500 at localhost 1 monuser monuserpass primary
>>         MINSUPPLIES 1
>>         SHUTDOWNCMD "/sbin/shutdown -h +0"
>>         POLLFREQ 5
>>         POLLFREQALERT 5
>>         HOSTSYNC 15
>>         DEADTIME 15
>>         POWERDOWNFLAG "/etc/killpower"
>>           NOTIFYMSG ONLINE "UPS %s on line power"
>>           NOTIFYMSG ONBATT "UPS %s on battery"
>>           NOTIFYMSG LOWBATT "UPS %s battery is low"
>>           NOTIFYMSG FSD "UPS %s: forced shutdown in progress"
>>           NOTIFYMSG COMMOK "Communications with UPS %s established"
>>           NOTIFYMSG COMMBAD "Communications with UPS %s lost"
>>           NOTIFYMSG SHUTDOWN "Auto logout and shutdown proceeding"
>>           NOTIFYMSG REPLBATT "UPS %s battery needs to be replaced"
>>           NOTIFYMSG NOCOMM "UPS %s is unavailable"
>>           NOTIFYMSG NOPARENT "upsmon parent process died - shutdown
>>         impossible"
>>           NOTIFYFLAG ONLINE SYSLOG+WALL
>>           NOTIFYFLAG ONBATT SYSLOG+WALL
>>           NOTIFYFLAG LOWBATT SYSLOG+WALL
>>           NOTIFYFLAG FSD SYSLOG+WALL
>>           NOTIFYFLAG COMMOK SYSLOG+WALL
>>           NOTIFYFLAG COMMBAD SYSLOG+WALL
>>           NOTIFYFLAG SHUTDOWN SYSLOG+WALL
>>           NOTIFYFLAG REPLBATT SYSLOG+WALL
>>           NOTIFYFLAG NOCOMM SYSLOG+WALL
>>           NOTIFYFLAG NOPARENT SYSLOG+WALL
>>         OFFDURATION 30
>>         RBWARNTIME 43200
>>         NOCOMMWARNTIME 300
>>         FINALDELAY 5
>> 
>>         Ultimately I need this service to listen on lan interface as I query
>>         it from other lan machine.
>> 
>>         Can anyone provide any insight on my issue?
>> 
>>         Thanks
>>         ------------------------------------------------------------------------
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>>         Nut-upsuser at alioth-lists.debian.net
>>         <mailto:Nut-upsuser at alioth-lists.debian.net
>>         <mailto:Nut-upsuser at alioth-lists.debian.net>>
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>> 
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>> 
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