[Nut-upsuser] Nut-upsuser Digest, Vol 200, Issue 3

William Cole wac1606 at gmail.com
Fri Feb 4 20:42:36 GMT 2022


Correction:  in fact the server did not connect.  I had to shutdown and
restart to get it to connect.  My apologies.
Bill Cole

On Fri, Feb 4, 2022 at 3:29 PM William Cole <wac1606 at gmail.com> wrote:

> Thanks for the clarification.  Am learning much about NUT/Linux from this
> forum, which is great.
>
> The entry for *nut-server.servic*e on my machine was the same as the one
> that you listed.
>
> It took me a while to locate* nut-server.service*, hence the delay.
> Here's the result of running *script -a -c"/sbin/upsd" NUT.script.*
> Before running this I had to "kill" upsd.
>
> [image: image.png]
> Looks, at minimum, like I have to lock down upsd.users.  Interestingly
> despite the line that "Can't connect to UPS [1LRES850] ..." (which is the
> server), I can connect.  The .236 line is the client.
>
> Hope this provides some clues.
> Regards,
> Bill Cole
>
>
>
> On Fri, Feb 4, 2022 at 7:00 AM <
> nut-upsuser-request at alioth-lists.debian.net> wrote:
>
>> Send Nut-upsuser mailing list submissions to
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>>
>> Today's Topics:
>>
>>    1. Re: Nut-upsuser Digest, Vol 200, Issue 2 (William Cole)
>>    2. Re: Nut-upsuser Digest, Vol 200, Issue 2 (Roger Price)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Thu, 3 Feb 2022 14:09:49 -0500
>> From: William Cole <wac1606 at gmail.com>
>> To: nut-upsuser at alioth-lists.debian.net
>> Subject: Re: [Nut-upsuser] Nut-upsuser Digest, Vol 200, Issue 2
>> Message-ID:
>>         <CAGJ8fTG2NWppnk=
>> 9iX9vGfOBf2WCOwyFfWzLARvAQnbHU9HAiA at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Roger, just to make sure that I understand what you're asking, let me
>> start
>> by describing how I access the NUT server:
>>
>> 1. As the NUT server is already powered on it has completed its start up
>> sequence.
>> 2. On my Mint20 linux I start PuTTy in SSH and attach to the server which
>> is at 192.168.1.100.
>> 3. Then on the terminal session that PuTTy starts I log on to the RPi:
>> username, password.
>> 4. At that point I'm ready to start issuing commands.  This is where and
>> when I'd issue the script command that you have offered.
>>
>> I guess I'm not understanding what "your server setup command" should be.
>> I looked at the manpage for script - I'm still learning all this - and
>> understand what the script command is to do in capturing terminal
>> activity.
>> The -c argument is looking for "your server setup command"; that's where I
>> am stumped.
>>
>> Thanks much.
>> Bill Cole
>>
>>
>>
>> On Thu, Feb 3, 2022 at 7:00 AM <
>> nut-upsuser-request at alioth-lists.debian.net>
>> wrote:
>>
>> > Send Nut-upsuser mailing list submissions to
>> >         nut-upsuser at alioth-lists.debian.net
>> >
>> > To subscribe or unsubscribe via the World Wide Web, visit
>> >
>> > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser
>> > or, via email, send a message with subject or body 'help' to
>> >         nut-upsuser-request at alioth-lists.debian.net
>> >
>> > You can reach the person managing the list at
>> >         nut-upsuser-owner at alioth-lists.debian.net
>> >
>> > When replying, please edit your Subject line so it is more specific
>> > than "Re: Contents of Nut-upsuser digest..."
>> >
>> >
>> > Today's Topics:
>> >
>> >    1. Re: NUT Client Not Working, Server OK (William Cole)
>> >    2. Re: NUT Client Not Working, Server OK (Roger Price)
>> >    3. Re: NUT Client Not Working, Server OK (Matus UHLAR - fantomas)
>> >
>> >
>> > ----------------------------------------------------------------------
>> >
>> > Message: 1
>> > Date: Wed, 2 Feb 2022 10:28:36 -0500
>> > From: William Cole <bga.cole at gmail.com>
>> > To: Nut-upsuser <nut-upsuser at alioth-lists.debian.net>
>> > Subject: Re: [Nut-upsuser] NUT Client Not Working, Server OK
>> > Message-ID:
>> >         <CAO_ENGii4KsMpkq+iVMxSab8xLbm7Rz5PnPt4CNU=-
>> > MYUDutDQ at mail.gmail.com>
>> > Content-Type: text/plain; charset="utf-8"
>> >
>> > Thank you very much for the advice.
>> >
>> > My upsd.conf [located on the server] is set to listen as follows:
>> >
>> > LISTEN 192.168.1.100 3493
>> > LISTEN 192.168.1.101 3493
>> > LISTEN 0.0.0.0 3493
>> > LISTEN 127.0.0.1 3493
>> >
>> > After making these changes I shut both the server and client down [sudo
>> > shutdown now].
>> > On restart I began getting messages to the effect that the server was
>> not
>> > available.  The messages appeared on both the server and client terminal
>> > displays.
>> >
>> > I commented out the 127.0.0.1 LISTEN line on the server's upsd.conf
>> script
>> > and then shutdown and restarted both server and client.
>> > The "server not available" message did not appear, however in both
>> > instances I am still getting the "connection refused" message on the
>> client
>> > [after running sudo service nut-client status].
>> >
>> > I'm now casting about for my next move.  Clearly I've got something
>> > configured wrong, but what I don't yet know.
>> >
>> > On Sun, Jan 30, 2022 at 10:29 PM Charles Lepple <clepple at gmail.com>
>> wrote:
>> >
>> > > [please keep the list CC'd - probably easiest via Reply-All]
>> > >
>> > > On Jan 28, 2022, at 10:20 AM, William Cole wrote:
>> > > > However, when executing sudo service nut-client on the Client PC,
>> still
>> > > getting a Connection refused message:
>> > > >
>> > > > upsmon[491] UPS [APCES750Client at 192.168.1.101]:connect failed:
>> > > Connection failure: Connection refused
>> > > > (repeated 9 times)
>> > >
>> > > "Connection refused" is a standard network error message that says
>> that
>> > > either a firewall is blocking the port, or no daemon is currently
>> > listening
>> > > on that port. Since both ends of this connection are on the same
>> host, a
>> > > firewall is not particularly likely to be blocking this, but you could
>> > > always change it to use 127.0.0.1 (localhost) if there is a firewall
>> that
>> > > can't easily be changed.
>> > >
>> > > In the case of the client Pi, you mentioned that ups.conf was
>> originally
>> > > empty. You may need to restart upsd (sudo "service nut-server
>> restart", I
>> > > think) now that it has an entry for the locally connected UPS. upsd
>> > listens
>> > > on the port that NUT clients like upsmon and upsc connect to.
>> > >
>> > > - Charles
>> >
>> >
>> >
>> > --
>> > Fredericksburg, VA
>> > -------------- next part --------------
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>> > >
>> >
>> > ------------------------------
>> >
>> > Message: 2
>> > Date: Wed, 2 Feb 2022 16:48:52 +0100 (CET)
>> > From: Roger Price <roger at rogerprice.org>
>> > To: William Cole via Nut-upsuser <nut-upsuser at alioth-lists.debian.net>
>> > Subject: Re: [Nut-upsuser] NUT Client Not Working, Server OK
>> > Message-ID: <alpine.DEB.2.20.2202021643090.4862 at maria.rogerprice.org>
>> > Content-Type: text/plain; charset="utf-8"; Format="flowed"
>> >
>> > On Wed, 2 Feb 2022, William Cole via Nut-upsuser wrote:
>> >
>> > > My upsd.conf [located on the server] is set to listen as follows:
>> > >
>> > > LISTEN 192.168.1.100 3493
>> > > LISTEN 192.168.1.101 3493
>> > > LISTEN 0.0.0.0 3493
>> > > LISTEN 127.0.0.1 3493
>> > >
>> > > After making these changes I shut both the server and client down
>> [sudo
>> > shutdown now].
>> > > On restart I began getting messages to the effect that the server was
>> > not available.? The messages appeared on both the server and client
>> terminal
>> > > displays.
>> > >
>> > > I commented out the 127.0.0.1 LISTEN line on the server's upsd.conf
>> > script and then shutdown and restarted both server and client.
>> > > The "server not available" message did not appear, however in both
>> > instances I am still getting the "connection refused" message on the
>> client
>> > [after
>> > > running sudo service nut-client status].?
>> >
>> > Could you show us the exact terminal transcript. E.g.
>> >
>> >    script -a -c "your server setup command" NUT.script
>> >
>> > Once you have the server running, try commands such as upsc <ups_name>
>> > before
>> > attempting to start upsmon.
>> >
>> > Roger
>> >
>> > ------------------------------
>> >
>> > Message: 3
>> > Date: Wed, 2 Feb 2022 17:40:01 +0100
>> > From: Matus UHLAR - fantomas <uhlar at fantomas.sk>
>> > To: nut-upsuser at alioth-lists.debian.net
>> > Subject: Re: [Nut-upsuser] NUT Client Not Working, Server OK
>> > Message-ID: <20220202164001.GA16350 at fantomas.sk>
>> > Content-Type: text/plain; charset=us-ascii; format=flowed
>> >
>> > On 02.02.22 10:28, William Cole via Nut-upsuser wrote:
>> > >LISTEN 192.168.1.100 3493
>> > >LISTEN 192.168.1.101 3493
>> > >LISTEN 0.0.0.0 3493
>> > >LISTEN 127.0.0.1 3493
>> >
>> > why?
>> > "LISTEN 0.0.0.0 3493" should cover all local IPs, that's what 0.0.0.0
>> > means.
>> >
>> > either use this one or any of others.
>> >
>> > --
>> > Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
>> > Warning: I wish NOT to receive e-mail advertising to this address.
>> > Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
>> > Eagles may soar, but weasels don't get sucked into jet engines.
>> >
>> >
>> >
>> > ------------------------------
>> >
>> > Subject: Digest Footer
>> >
>> > _______________________________________________
>> > Nut-upsuser mailing list
>> > Nut-upsuser at alioth-lists.debian.net
>> > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser
>> >
>> >
>> > ------------------------------
>> >
>> > End of Nut-upsuser Digest, Vol 200, Issue 2
>> > *******************************************
>> >
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>> ------------------------------
>>
>> Message: 2
>> Date: Thu, 3 Feb 2022 21:10:49 +0100 (CET)
>> From: Roger Price <roger at rogerprice.org>
>> To: nut-upsuser Mailing List <nut-upsuser at lists.alioth.debian.org>
>> Subject: Re: [Nut-upsuser] Nut-upsuser Digest, Vol 200, Issue 2
>> Message-ID: <alpine.DEB.2.20.2202032103370.4862 at maria.rogerprice.org>
>> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>>
>> On Thu, 3 Feb 2022, William Cole via Nut-upsuser wrote:
>>
>> > I guess I'm not understanding what "your server setup command" should
>> be.?? I
>> > looked at the manpage for script - I'm still learning all this - and
>> > understand what the script command is to do in capturing terminal
>> activity.
>> > The -c argument is looking for "your server setup command"; that's
>> where I am
>> > stumped.
>>
>> It's the ExecStart line in nut-server.service.  In my nut-server.service
>> setup I
>> have:
>>
>>   [Service]
>>   ExecStart=/sbin/upsd
>>   Type=forking
>>
>> so the script command for me would be:
>>
>> ?script -a -c "/sbin/upsd" NUT.script
>>
>> Roger
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
>> _______________________________________________
>> Nut-upsuser mailing list
>> Nut-upsuser at alioth-lists.debian.net
>> https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser
>>
>>
>> ------------------------------
>>
>> End of Nut-upsuser Digest, Vol 200, Issue 3
>> *******************************************
>>
>
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