Arch Linux update script

12 07 2012

A script to automate the process of updating Arch Linux, removing orphane packages, cleaning pacman caches, locales and manpages.



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Solving linux MTRR problems

23 05 2012

If you find one or several of the following lines in your kernel message buffer, your system suffers from memory management problems:


mtrr_cleanup: can not find optimal value
please specify mtrr_gran_size/mtrr_chunk_size
MTRR allocation failed. Graphics performance may suffer.

Keep on reading for some background info and a few steps to solve that problem.


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Getting valid email recipients from Active Directory with ldap

18 02 2011

Using a postfix relay in front of an Exchange is a common use case, but how to pull a list of all valid emailaddresses from your Active Directory to directly reject non valid ones? Its pretty easy with some LDAP and perl magic.


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Hacking Motorola LS1000W Photoframe

31 10 2010

This short how-to shows you how to use your Motorola LS1000W Photoframe as a cheap and flexible wireless display inside your trusted lan and why you should NEVER EVER use the included FrameChannel account for privacy reasons.


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