Posts from 2011-05

Access the InterNetworX XML-RPC API via Python

The Domain Hoster InterNetworX (abbr. inwx) offers an XML-RPC interface to access its services. You can even register new domains. Documentation of the XML-RPC API is available for download at (including examples in PHP & Java plus a PDF describing the API).

There is an operational test environment (ote) to...

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Modify Apache Logging to Comply to German privacy law

As I'm not a lawyer, I can't tell you if the following pieces of advice are really needed, just enough or not necessary. I will further investigate the topic and you will be able to read about my findings here.

Deactivate Apache logging

Set the following Apache2 directives in your apache config...

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Mount SSH filesystems on Mac OS X via SSHFS with or without a GUI / Programs for (S)FTP

Mount SSH filesystems

My personal favorite: Fuse4X

Use with this distribution of SSHFS:

See my dedicated blog post on SSHFS on Mac OS X 10.6.8 with Fuse4X!

Deprecated Option: MacFUSE sshfs using command line

First install MacFUSE.

Then get the sshfs binaries:

cd ~/Downloads
svn co sshfs-binaries

Now you...

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Redmine on Debian Squeeze

Redmine as Debian package:

  • The core package is redmine. Three packages (redmine-*) provide correct dependencies for mysql, pgsql, sqlite.
  • Several configurations are given as working examples in /usr/share/doc/redmine/examples.
  • Explanations of how the configuration is dealt with are given in /usr/share/doc/redmine/README.Debian.gz.
  • There is no per-instance support for plugins, but those dropped to /usr/share/redmine/vendor/plugins.

Manual and Up-To-Date...

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XEN Virtual Server Improvements

More Loop Devices

To solve this problem:

mount: could not find any free loop device,

you have to increase the number of loop devices:

echo "options loop max_loop=64" > /etc/modprobe.d/local-loop.conf


# Create a file to use as swap with 1024 1MiB blocks (= 1 GiB):

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cgit - A Web Frontend For git Written In C

Not available as Debian package yet as the search for cgit in the Debian packages reveals. The RFP can be found here.



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IPv6 Adresses

Defined in RFC 5156

  • ::1/128 is the loopback address
  • ::/128 is the unspecified address
  • ::FFFF:0:0/96 are the IPv4-mapped addresses (indicating devices that are not IPv6-capable)
  • ::<ipv4-address>/96 are the IPv4-compatible addresses, deprecated!
  • fe80::/10 are the link-local unicast addresses
  • fc00::/7 are the unique-local addresses
  • 2001:db8::/32 are the documentation addresses. They are used for documentation purposes such as user manuals,...

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Upgrade ASUS wl-500g Premium v1 from DD-WRT to OpenWrt

I was using an Asus wl-500g Premium router (hardware revision #1) running DD-WRT (I think it was version v24 preSP2 [Beta] Build 14311 mini). I decided to switch over to OpenWrt. The installation was dead simple. I just downloaded the .trx firmware image for the brcm47xx target (linux 2.6) from...

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IPv6 Privacy Extensions

The privacy extensions as defined in RFC4941 make your device change its IP every now and then.

Privacy addresses are not enabled by default. Their generation is activated via the sysctl directive use_tempaddr that can be set to one of the following values:

  • 0 don't use privacy extensions.
  • 1 generate privacy addresses
  • 2...

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Instantaneous IPv6 Connectivity using Teredo on Debian / Ubuntu

On Debian and Ubuntu, getting IPv6 connectivity is as easy as running this command in terminal:

sudo apt-get install miredo

You should instantaneously be connected to the internet via IPv6 (provided you have a working IPv4 setup).

If you want to customize your IPv6 connectivity, you can edit the miredo configuration...

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Mobile IPv6

Mobile IP / Mobile IPv6 / mip6d seems to be quite dead at the moment:

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SixXS Static 6in4 IPv6 Tunnel on Ubuntu / Debian

Define the tunnel in /etc/network/interfaces

You can simply put the following setup in your interfaces configuration file and this will allow you to set up your tunnel automatically at startup or manually using ifup sixxs.

# Please refer to <> for further information
auto sixxs
iface <span...

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IPv6 6in4 Tunnel via Hurricane Electric ( Tunnel Setup on Ubuntu 11.04

Using the CLI tool ip

I wrote the following script to set up the IPv6 6in4 tunnel on Linux using the ip command. You have to adjust the constants to the values given on the site on the tunnel that you created. Just execute it and you should be...

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IPv6 6in4 Tunnel via Hurricane Electric ( Automatic IP Update on Mac OS X

Hurricane Electric provides free IPv6 tunnels via the 6in4 protocol on the website After signing up, one can create up to 5 tunnels. When settings up a standard tunnel, one has to provide one's endpoint IPv4 address which may change from time to time (moving around or 24-hour...

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Arch Linux

I wanted to have a closer look into Arch Linux and so I downloaded the x86-64 netinstall image from I created a virtual machine and started by using the .iso image as boot device. The installation was pretty smoth, no surprises for a Linux user.

Excellent Beginners Guide: <a...

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Install Python Library for WordPress XML-RPC integration

cd ~/Downloads
git clone git://
cd python-wordpress-xmlrpc
python install



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Install Markdown Python Module on Mac OS X

easy_install Markdown



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