[Dxspider-support] R: Port 27554 issues

Fri Dec 19 07:34:44 GMT 2008

Hans,

still the situation doesn't seem to be stable, if netstat doesn't show any
listener or established socket it shouldn't work...

Could you check /etc/sysconfig/network/ifcfg-lo to make sure the local loop
interface is indeed configured ? it may be corrupted since your crash. Mine
(opensuse as well) looks like this:

# Loopback (lo) configuration
IPADDR=127.0.0.1
NETMASK=255.0.0.0
NETWORK=127.0.0.0
BROADCAST=127.255.255.255
STARTMODE=onboot
USERCONTROL=no

Regarding the discrepancy between 'localhost' and 127.0.0.1 this should be
only dependent on /etc/hosts (as you state as well), just make sure you
still have the 
127.0.0.1       localhost
line there.

Just trying to help an opensuse colleague ;-)  using 10.2 kernel 2.6.18.2
here

Marco, HB9CAT

-----Messaggio originale-----
Da: dxspider-support-bounces at dxcluster.org
[mailto:dxspider-support-bounces at dxcluster.org] Per conto di Hans-Juergen
Barthen
Inviato: giovedì, 18. dicembre 2008 11:49
A: 'The DXSpider Support list'
Oggetto: Re: [Dxspider-support] Port 27554 issues

I got my cluster work again!
I don't know why the issue suddenly came up but I found it.

The tcp error (111) shown in the error message of the client says, that
there is no listener on the adressed port.
The reason was quiet obvious after 2 tests and a more closer look to the
netstat result:

this command works:
	su sysop -c 'telnet localhost 27754'

and this command does not work:
	su sysop -c 'telnet 127.0.0.1 27754'

Normally I would expect that to be the same (if the hosts file is correct,
which was default on my system).

A 'netstat -an | grep 27754' shows only a listener process on port "::1"
which is the IPv6 address of "localhost".
There is no listener on the IPv4 address 127.0.0.1 which is used by the
client program.
Don't ask me why this happens, maybe something which came up with a new
kernel?
I do not run IPv6 and have no experience with that.

Now I changed the $clusteraddr in DXVars.pm from "localhost" to "127.0.0.1"
and everything is fine again!

73 de Hans, DL5DI

> -----Ursprüngliche Nachricht-----
> Von: dxspider-support-bounces at dxcluster.org 
> [mailto:dxspider-support-bounces at dxcluster.org] Im Auftrag 
> von Hans-Juergen Barthen
> Gesendet: Donnerstag, 18. Dezember 2008 10:27
> An: 'The DXSpider Support list'
> Betreff: Re: [Dxspider-support] Port 27554 issues
> 
> Unfortunately I still could not get port 27554 work again, so 
> DB0LJ-6 can still not be connected via ax25.
> A telnet login with the client on that port also does not work.
> 
> Has anybody any helpfull advice?
> Dirk, where could I search?
> 
> Beside the update from 1.54 to 1.55 there was no change on 
> the configuration and the system worked for years.
> 
> Some days ago I had some corrupted files on the system 
> because of a broken power supply which crashed the system 
> regular for a short moment.
> I checked a lot of files and don't know if that could be a 
> reason for this issue at some place.
> 
> I do not find any error message or other information why this 
> port does not work anymore.
> 
> Thanks for any helpfull advice!
> 
> 73
> Hans, DL5DI
>  
> 
> > -----Ursprüngliche Nachricht-----
> > Von: dxspider-support-bounces at dxcluster.org
> > [mailto:dxspider-support-bounces at dxcluster.org] Im Auftrag von 
> > Hans-Juergen Barthen
> > Gesendet: Sonntag, 14. Dezember 2008 17:33
> > An: 'The DXSpider Support list'
> > Betreff: [Dxspider-support] Port 27554 issues
> > 
> > Hi!
> > Hopefully somebody can give me just a quick help on an 
> issue with port 
> > 27554.
> > I am running DXSpider on Linux at DB0LJ for a lot of years, so 
> > hopefully I have some experience with it.
> > But at the moment I seem to be blind.
> > Since a few days it is not possibly to connect the cluster 
> from ax25.
> > A manual connect using the client brings up "error on connect to 
> > localhost port 27554 (111)".
> > Everything else works, Internet access, outgoing traffic in 
> ax25, all 
> > fine.
> > 
> > Even that I did not change anything on the ipchains-setup I 
> tried it 
> > with ipchains switched off, no change!
> > ... it was just because I did not know anything else anymore, a 
> > connect to localhost should not be blocked.
> > 
> > Manual start of cluster.pl does not show any "helpfull 
> error message" 
> > :-) (see startup log at the end)
> > 
> > I suggest -  but I am really not sure - this happens since 
> my update 
> > from
> > 1.54 to 1.55 abt. 3 weeks ago.
> > 
> > Any helpfull idea how to fix that?
> > I am using perl 5.8.8, openSuse10, kernel 2.6.27-6.
> > 
> > Thanks!
> > 
> > Hans, DL5DI
> > 
> > ------
> > 
> > perl cluster.pl
> > cluster
> > DXSpider V1.55, build 0.33 started
> > Copyright (c) 1998-2008 Dirk Koopman G1TLH loading prefixes ...
> > US Database loaded
> > loading band data ...
> > loading user file system ...
> > starting listeners ...
> > Internal port: localhost 27754 using IntMsg External Port: 
> > 0.0.0.0 41112 using ExtMsg::login load badwords: Ok Starting Dupe 
> > system Read in Messages Read in Aliases Start WWV Start WCY 
> Starting 
> > DX Spot system Start Protocol Engines ...
> > DXChannel DB0LJ-6 created (1)
> > reading existing message headers ...
> > load badmsg: Ok
> > load forward: Ok
> > load swop: Ok
> > reading cron jobs ...
> > cron: reading /spider/cmd/crontab
> > cron: adding 1 0 * * 3 DXUser::export("$main::data/user_asc")
> > cron: adding 5 0 * * * DXDebug::dbgclean()
> > cron: adding 0 3 * * * Spot::daily()
> > cron: reading /spider/local_cmd/crontab
> > cron: adding 1,6,11,16,21,26,31,36,41,46,51,56 * * * *
> > start_connect('db0mdx') unless connected('db0mdx')
> > cron: adding 2,7,12,17,22,27,32,37,42,47,52,57 * * * *
> > start_connect('hb9gl-6') unless connected('hb9gl-6')
> > cron: adding 0,5,10,15,20,25,30,35,40,45,50,55 * * * * 
> run_cmd('mrtg 
> > all')
> > cron: adding 5 5 * * 5 spawn('wget -qN 
> > http://www.amsat.org/amsat/ftp/keps/current/nasa.all -P
> > /spider/local')
> > cron: adding 7 5 * * 5 spawn('/spider/perl/convkeps.pl -p
> > /spider/local/nasa.all')
> > cron: adding 9 5 * * 5 run_cmd('load/keps') reading database 
> > descriptors ...
> > doing local initialisation ...
> > orft we jolly well go ...
> > Ok, $Spot::maxspots = '100'
> > Ok, $main::passwdreq = '1'
> > cron: 55 15 14 12 0 -> doing 'run_cmd('mrtg all')'
> > cmd run: mrtg all
> > queue msg (0)
> > cron: 56 15 14 12 0 -> doing 'start_connect('db0mdx') unless 
> > connected('db0mdx')'
> > connect 3: timeout set to 60
> > connect 3: timeout set to 180
> > connect 3: abort (Busy|Sorry|Fail)
> > CONNECT 3 sort: ax25 command: /usr/local/sbin/ax25_call DIGI
> > db0lj-6 db0mdx db0lj igate connect 3: started pid: 8694 as 
> > /usr/local/sbin/ax25_call DIGI db0lj-6 db0mdx db0lj igate cmd
> > run: connect db0mdx cmd out: Verbindungsaufbau zu DB0MDX gestartet 
> > connect 3: Connecting to db0mdx ...
> > connect 3: expecting: "Connect" received: "Connecting to db0mdx ...
> > "
> > connect 3: *** Connected
> > connect 3: expecting: "*** Connected" received: "*** Connected "
> > connect 3: PC18^ ^5447^
> > Use of uninitialized value in pattern match (m//) at 
> cluster.pl line 
> > 190.
> >  at cluster.pl line 190
> > DXChannel DB0MDX created (2)
> > <- O DB0MDX ax25
> > -> B DB0MDX 0
> > -> E DB0MDX 0
> > DB0MDX channel func  state 0 -> init
> > connect 4: DX-Cluster DB0LJ-6 Telnet-Port.%0D connect 4: 
> %0D connect 
> > 4: login:
> > connect 4: timeout set to 60
> > connect 4: DB0MYK-6
> > connect 4: password:
> > connect 4: digimyk
> > Use of uninitialized value in pattern match (m//) at 
> cluster.pl line 
> > 190.
> >  at cluster.pl line 190
> > DXChannel DB0MYK-6 created (3)
> > -> D DB0MDX PC16^DB0LJ-6^DB0MYK-6 - 1^H10^
> > <- A DB0MYK-6 telnet
> > DXCommand
> > DB0MYK-6 connected from 44.130.42.3
> > -> D DB0MYK-6 Moin Digi Gaensehals, hier ist DB0LJ-6 in Kruft nr.
> > Andernach/Rhein
> > -> D DB0MYK-6 running DXSpider V1.55 build 0.33
> > DB0MYK-6 channel func  state 0 -> prompt
> > -> D DB0MYK-6 %0D
> > ......
> > -> D DB0MYK-6 DB0MYK-6 de DB0LJ-6 14-Dec-2008 1556Z dxspider >
> > queue msg (0)
> > 
> > 
> > _______________________________________________
> > Dxspider-support mailing list
> > Dxspider-support at dxcluster.org
> > http://mailman.tobit.co.uk/mailman/listinfo/dxspider-support
> 
> 
> _______________________________________________
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> Dxspider-support at dxcluster.org
> http://mailman.tobit.co.uk/mailman/listinfo/dxspider-support

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