Server :: Rsyslogd Doesn't Seem To Listen On All Interfaces

Dec 5, 2009

I'm running ubuntu 9.10, the box has 2 network interfaces. I've got rsyslogd running on this box also. On one of the interfaces I have a VoIP ATA which I've configured to send syslog messages to the ubuntu box, however they're not coming up in the log file (I've configured syslogd.conf to capture logs for local2.debug and local3.debug).

rsyslogd seems to be working ok for data coming through on the other interface, but not this one. I've verified the ATA is sending data by using tcpdump and have confirmed it's using local2.debug and local3.debug. It seems perhaps it might not be listening on all interfaces? rsyslog is running with the -c4 switch.

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Server :: Postgresql-8.4 Server Doesn't Listen / Fix It?

Nov 23, 2010

I'm getting some problems setting up a Postgresql-8.4 server (using Debian Lenny).
After have installed the PGSQL server, I've changed the following files as bellow code...

If you encounter this message, please check if the server you're trying to contact is actually running PostgreSQL on the given port. Test if you have network connectivity from your client to the server host using ping or equivalent tools. Is your network / VPN / SSH tunnel / firewall configured correctly?
For security reasons, PostgreSQL does not listen on all available IP addresses on the server machine initially. In order to access the server over the network, you need to enable listening on the address first.
For PostgreSQL servers starting with version 8.0, this is controlled using the "listen_addresses" parameter in the postgresql.conf file. Here, you can enter a list of IP addresses the server should listen on, or simply use '*' to listen on all available IP addresses. For earlier servers (Version 7.3 or 7.4), you'll need to set the "tcpip_socket" parameter to 'true'.
You can use the postgresql.conf editor that is built into pgAdmin III to edit the postgresql.conf configuration file. After changing this file, you need to restart the server process to make the setting effective.
If you double-checked your configuration but still get this error message, it's still unlikely that you encounter a fatal PostgreSQL misbehaviour. You probably have some low level network connectivity problems (e.g. firewall configuration). Please check this thoroughly before reporting a bug to the PostgreSQL community.
This is the same configuration that I have in other Lenny server, which works well.

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In Ubuntu 9.10 I configured manually network settings to /etc/network/interfaces, and it works fine when I run /etc/init.d/networking restart.

Problem is that those settings are not loaded to GUI application (Preferences/Network connections).

I don't want to edit my preferences there, I just want to use my interfaces file as default! Do you know what's going on?

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Jun 4, 2010

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Code:
allow-hotplug venet0
iface venet0 inet static
address 10.53.35.1
netmask 255.255.255.0

[Code].....

Looking further, I note that /etc/init.d/networking is not symlinked into anything other than the rcS.d directory. It's been a while since I've been tinkering at this level, but I understand that there should be a symlink from rc2.d/Sxxnetworking into ../etc/init.d/networking. So I wonder where eth0 is getting configured.

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Aug 12, 2010

I have three VMs (VMWare Server 2) all running Ubuntu Server 10.04. (one I asked to be a samba share from the outset, the others are blank server installs, no pre-config)

I follow the layout in the community documentation regarding setting up firewall rules through iptables. I.e. I create a file called iptables.rules and place it in /etc. I then modify the /etc/network/interfaces file to look like this:

Code:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo

[Code].....

However this third one I have reinstalled Ubuntu 3 times now, and every time as soon as I modify the /etc/network/interfaces file, eth0 fails to start up (is not visible in ifconfig, only the loopback adapter), and no networking works.

I have tried reducing the iptables.rules file (which is a carbon copy across all machines anyway) to a basic accept all rule, and it still doesn't like it. As soon as I remove those two extra lines in the interfaces file, the network starts up no problems and eth0 is there.

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I am using iptables and what i want to do is have is log to a specific file that i have set for it. Here is what i edited to rsyslog.conf

#kern.* /dev/console
:msg, contains, "iptables" /var/log/iptables
& ~

now as far as iptables rules here is what i am working with...

iptables -A INPUT -i eth0 -p tcp --tcp-flags ALL NONE -m limit --limit 5/m --limit-burst 7 -j LOG --log-level 4 --log-prefix "iptables"

however when i run my script i get this kind of output:

iptables v1.4.9: unknown option `--log-level'

Try `iptables -h' or 'iptables --help' for more information. when i do 'iptables -L -n' i get this kind of output..

LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp flags:!0x17/0x02 state NEW limit: avg 5/min burst 7 LOG flags 0 level 4 prefix `iptables'

why i am getting this error unknown option '--log-level' and two why is not writing anything to /var/log/iptables when i do 'cat /var/log/iptables' i get nothing

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I have a weird issue that I have not seen on any forum. My jaunty on DELL studio laptop seems connected to net, but I can not access any network service (ssh, firefox etc.). But when I connect a cable the cable lights blink as it should be and in wireless connection my wifi light blinks.

It was working 2 days ago without problem, and I have not done big changes recently.I removed and reinstalled network-manager and network-manager-gnome. Nothing changed. I see a message in each restart as follows (when Openafs is starting). I can reproduce it with "/etc/init.d/openafs-client restart"

Code:

ADVISEADDR:error in specifying interfaces: no existing ip interfaces found

#lspci

Code:

04:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
08:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe (rev 10)
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[code].....

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Code:
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Code:
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SIOCSIFNETMASK: No such device

[Code]...

How do I add 2 interfaces and get anyone of them to work, as available ?

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[code]....

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[ 3402.591674] ide-cd driver 5.00
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[ 3402.691580] st: Version 20081215, fixed bufsize 32768, s/g segs 256
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Some Hardware Info:

[Code]...

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