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ssh tunnelling again - 25 Jul 2012

this damn small tool is surprising and delightening again!
i had to move some virtual machines at work, and wanted to do it from home. however, i was not sure whether i would experience problems using the citrix server at work as i was also moving vms that provide the user home directory etc. i chose [...]

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script to clean a mysql database without dropping it - 06 Dec 2011

if you dont want to give a certain user create database permissions, he can run this script
# Detect paths
MYSQL=$(which mysql)
AWK=$(which awk)
GREP=$(which grep)
if [ $# -ne 3 ]
echo “Usage: $0 {MySQL-User-Name} {MySQL-User-Password} {MySQL-Database-Name}”
echo “Drops all tables from a MySQL”
exit 1
mysql –user=$MUSER –password=$MPASS -BNe “show tables” $MDB | tr ‘\n’ ‘,’ | sed -e ’s/,$//’ | awk [...]

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new citrix client for linux - 22 Oct 2011

maybe it’s not too new anymore, but it’s nice nevertheless: citrix releases version 12 of the citrix receiver for linux. they have seperate versions for x86 and x64 and i could install the deb without having problems with dependencies on my ubuntu 11.10
one problem they have has still not been fixed though: the client brings [...]

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java class helping to understand floats - 14 Mar 2011

i tried to better understand how float values are stored on a computer so i decided to write a little class that should help me with this.
IMPORTANT NOTE: i can’t be held responsible for anything that this class does or does not, you’ve been warned :p
list of know issues:

the methods floatUnderstandingFromLongValue() and floatUnderstandingFromDoubleValue() return WRONG [...]

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remember this? - 05 Dec 2010

just love it

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nice ssh option for tunneling - 07 Jun 2010

didn’t know about this so i always used a little http proxy (tinyproxy) on my server, but this is not needed as i just learned;
see here:

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strange n900 pricing - 10 Apr 2010

i’ll probably buy a nokia n900 to (finally!) replace my nice htc touch hd which is broken because of windows mobile (how could htc do this, after all?!).
i was quite surprised about the price differences between and mobilezone and swisscom-shop;

price with extending my contract another year at swisscom shop: about chf 750.-
price with extending [...]

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updating windows 7 rc to final - 24 Jan 2010

just wanted to create a little post about the possibility and my experiences with the upgrade;

to allow the update, steps as described on this howtogeek post are needed.
the upgrade must be run from your running windows 7 rc installation, not from the cd or usb-stick
it will take around 30 minutes to complete

there were only a [...]

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getting hp w2216 to work with ubuntu 9.10 beta on ibm z60m (radeon x600mobility) - 05 Oct 2009

this was strange;
usually, when xrandr outputs the following:

Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 1680 x 1680

VGA-0 connected 1680×1050+0+0 (normal left inverted right x axis y axis) 465mm x 291mm

   1680×1050      60.0*+

   1600×1000      60.0  

   1280×1024      75.0     60.0  

   1440×900       [...]

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vmware workstation on ubuntu 9.10 beta - 03 Oct 2009

just installed the new ubuntu beta ond my notebook which i use for work. i need vmware on it for the xp vm that i have to use at work.
as always with new kernels and x-servers, vmware doesn’t just work even when using the newest version (6.5.3). in order to get it to work more [...]

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compression using fifo’s - 28 Aug 2009

little problem, smart solution;
i’m backing up my citrix xenserver vm’s using the command

xe template-export

i write the backup directly to a cifs-mounted share on the network. however, i need to compress those images, ideally before i send them over the network. the problem is that the template-export command doesn’t support writing to stdout, which would allow [...]

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problems with enigmail after update/reinstallation of ubuntu - 15 Aug 2009

just had a little problem to fix;
when i opened an encrypted or signed message in thunderbird, the error “the enigmime service is not available” was shown. however, enigmail and thunderbird were installed and even setting the path to the gpg binary manually doesn’t fix the problem.
however, it’s not too difficult to fix;

apt-get remove –purge enigmail

this [...]

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System Administrators Day - 31 Jul 2009

well, not much to say, just read it.

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HP Universal Print Driver with Citrix on Windows 2008 x64 - 15 Jul 2009

seems like there is a quite bad problem with HP Universal Print Driver 4.7 (and older) when used on a Citrix Server. According to some forum threads, the issues were resolved in version 4.7.2, however, this version is not available for public download, one needs to contact HP support to get it.
as I did this, [...]

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new computer - 31 May 2009

hi everyone!
i’m still there, and of course, from time to time, i need a new pc =)
this time i replaced my core2duo e6600 (2.4ghz) on a msi p965 neo-f with 2gb memory on it with my new:

core i7 920 (2.66ghz)
gigabyte ga-ex58-ud5 (with heatpipes, onboard power button, debug leds and everything…)
3x 2gb kingston ddr3 hyper-x
and a [...]

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