[brlug-general] General Digest, Vol 50, Issue 17
jdtiede at bellsouth.net
jdtiede at bellsouth.net
Mon Aug 27 09:33:58 CDT 2007
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> From: general-request at brlug.net
> Date: 2007/08/26 Sun PM 12:00:03 EST
> To: general at brlug.net
> Subject: General Digest, Vol 50, Issue 17
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> Today's Topics:
>
> 1. Internal network trouble (jdtiede at bellsouth.net)
> 2. Re: Internal network trouble (Fernando Vilas)
> 3. Re: Internal network trouble (-ray)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 25 Aug 2007 12:50:12 -0500
> From: <jdtiede at bellsouth.net>
> Subject: [brlug-general] Internal network trouble
> To: <general at brlug.net>
> Message-ID: <mailman.2.1188147603.17971.general_brlug.net at brlug.net>
> Content-Type: text/plain; charset=ISO-8859-1
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> I am getting a message from PostgreSQL: "Connection to database failed. Couldn't open socket; Network is unreachable." This happens as soon as I call the pgaccess front end; using psql from the command line works normally. But I also can't reach my DSL gateway from that box (works fine from across the hall). Can't ping anything, even 127.0.0.0 or 127.0.0.1 (I forget which is correct for the loopback).
>
> This all started last night when I converted some tables from the internet to text using OpenOffice Writer. I was getting a lot of messages about not being able to reach the source, as it apparently was taking underlined fields as links--understandable when it happened only on those fields but now it happens on others. Is there a way to disable that feature temporarily?
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sat, 25 Aug 2007 13:12:56 -0500
> From: Fernando Vilas <fvilas at iname.com>
> Subject: Re: [brlug-general] Internal network trouble
> To: general at brlug.net
> Message-ID: <200708251313.01935.fvilas at iname.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> On Saturday 25 August 2007 12:50:12 jdtiede at bellsouth.net wrote:
> > I am getting a message from PostgreSQL: "Connection to database failed.
> > Couldn't open socket; Network is unreachable." This happens as soon as I
> > call the pgaccess front end; using psql from the command line works
> > normally. But I also can't reach my DSL gateway from that box (works fine
> > from across the hall). Can't ping anything, even 127.0.0.0 or 127.0.0.1 (I
> > forget which is correct for the loopback).
> >
> > This all started last night when I converted some tables from the internet
> > to text using OpenOffice Writer. I was getting a lot of messages about not
> > being able to reach the source, as it apparently was taking underlined
> > fields as links--understandable when it happened only on those fields but
> > now it happens on others. Is there a way to disable that feature
> > temporarily?
> >
>
> Have you tried restarting your network? Whatever init script takes care of it
> should make sure the right kernel modules are loaded and reconfigure your
> nic. If you're not using a static IP, it should also restart the dhcp
> client.
>
> There's also things like your routing table, ipfilter, etc to check. I'm
> guessing that you sent this email from another box, since those messages
> usually mean you aren't networked at the time.
>
> --
> Thanks,
> Fernando Vilas
> fvilas at iname.com
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> ------------------------------
>
> Message: 3
> Date: Sat, 25 Aug 2007 13:56:52 -0500 (CDT)
> From: -ray <ray at ops.selu.edu>
> Subject: Re: [brlug-general] Internal network trouble
> To: general at brlug.net
> Message-ID: <Pine.LNX.4.61.0708251354230.1038 at romulus.csd.selu.edu>
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>
>
> > There's also things like your routing table, ipfilter, etc to check.
> > I'm guessing that you sent this email from another box, since those
> > messages usually mean you aren't networked at the time.
>
> Right, "Network is unreachable" means you don't have a route to the
> network you're trying to get to. If it's your local network, check your
> routing table (netstat -rn) to see whats there. But Fernando is right,
> restarting your network should bring the route back.
>
> ray
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Ray DeJean http://www.r-a-y.org
> Systems Engineer Southeastern Louisiana University
> IBM Certified Specialist AIX Administration, AIX Support
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
>
>
>
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> End of General Digest, Vol 50, Issue 17
> ***************************************
>
Yes, I am on another box, across the hall, same DSL but different modem because I haven't been able to get wireless working. The two ran on the same modem/router when they were in the same room. Now, of course, I have to disconnect one modem from the phone line in order to use the other one.
I restarted everything by shutting down computer and gateway (modem/router) for 30 sec. and rebooting. The trouble started while I was converting a table in OO Writer to text for input to pgsql, which was also running at the time. The first problem I saw was that I could no longer delete single columns from Writer tables. Next I found pgaccess gave me an error message no matter what I tried, though psql works normally from the command line. Later I found I can't print through a direct connection (USB) to the printer (HPLJ 3330). The OS is Kubuntu 7.04.
I tried netstat -m and got nothing but headings. Running netstat -r yielded:
eth0 0 0 0 0 0 0 0 0 0 BMU
eth1 1500 12157 0 0 0 0 0 0 0 BMRU
eth0 is built into the MSI m/b and failed nearly a year ago. eth1 in a PCI card. Since running the same command on this box displays data stored in the router, that conifirms that the computer in question isn't connecting to the router, which I already knew. applicable lights on router and eth1 are burning.
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