burdy’s blog

I recently tried to connect a Samsung led- tv to a simple Nvidia G210 display adapter, causing my analog sound to dissappear completely.
The fix can be found as decribed here:

http://analogbit.com/hdmi_dvi_audio

First update nvidia drivers to the latest:

sudo apt-add-repository ppa:ubuntu-x-swat/x-updates

sudo apt-get update sudo

apt-get install nvidia-current

Then following this instruction found on the mythtv website:

http://www.mythtv.org/wiki/Configuring_Analog_Sound_DVI_to_HDMI#Apply_Modified_EDID

In short, the xorg.conf needs to be adjusted with a modified EDID which prevents audio to be send through HDMI.

I needed to update a couple of debian and ubuntu servers in an protected lan.

Always handy to update using a socks proxy with tsocks. A problem arose with name resolution. Resolving DNS servers wasn’t possible. I think because DNS uses also udp which can not be proxied using tsocks.

(continue reading…)

When connecting through ssh locally I often mention a delay after username is entered and before the system is prompting for a password.

An easy way to prevent this delay is to edit:

/etc/ssh/sshd_config

and add this line

UseDNS no

Restart the ssh daemon after this:

/etc/init.d/ssh restart

After installing nagios3 on Ubuntu 10.04 I needed a couple of configchanges.
After reading this, I would suggest the following:

Download a msi installer for nsclient from here. In that way you don’t have to install the service manually.

Check windows machines with: /usr/lib/nagios-plugins/nt.cfg

- Remove the  ‘  characters
- specify port: 12489
- Expand commandline with:  $ARG2, $ARG3 $ARG4
- Change ‘windows-server’ to ‘generic-host’

(continue reading…)

After installing an Asus PC-DL motherboard I discovered that sensors-detect from the lm-sensors package, did not work right.
Sensors-detect reported a w83627hf chip.

Modprobing this module wasn’t possible. The system responded that the module was in use. It wasn’t according lsmod.

(continue reading…)

Setup irc history logging in a few steps.

- Install an IRC server of choice
- Install the eggdrop bot and pisg for generating statistics.
- Install eggdrop module: logs2html

(continue reading…)

For years I use MRTG to monitor several kinds of things, like: disksize and temperature, network traffic analysis and availability, cpu and motherboard temp, cpu load, disk-io.

~$ sudo aptitude mrtg snmpd apache2

Everything about setting up mrtg can be found here.

If using debian this will be a quick help

(continue reading…)

Today I decided to test a brandnew bluetooth transmitter and receiver which were delivered to me shortly. After some googling I was convinced it should not take to long to configure this.

This transmitter can be connected with the 3.5 jack audio plug to a soundcard audio-out interface.
It is also possible to connect the device to a computer with a USB cable which comes within the package for this purpose. Another purpose of the USB connection is delivering power to the device.

I decided to stick with option 2.
(continue reading…)

Yesterday I had to convert some avi video quickly to flash in order to embed this in some blog.

ffmpeg -i S5002930.AVI -ar 22050 -ab 32000 -f flv -s 320×240 – | flvtool2 -U stdin S5002930.flv

You need to install flvtool2 package for this to work.