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Archive for the 'Linux' Category

Increasing disk performances

February 17th, 2010 by Melaneum

With all the recent multicore CPU, the bottleneck of processing is increasingly the IO from the disk. When compiling a bit project (especially linking), when processing gigabyte of data (now that loading up 4 GB in RAM is not a problem)…

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Complex system

December 18th, 2009 by Emmanuel Christophe

OTB is a complex system, if you don’t believe it, look at the image here (click on it for a full view): Read the rest of this entry »

Category: Linux, OTB | Comments Off

Fixing rectangular touchpad with square coordinates

June 30th, 2009 by Melaneum

Finally I gave in to the netbook trend and got a Lenovo S10-2. I couldn’t get a linux version, but sure enough Debian was running on it few hours after unpacking.

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Migrating: from Pocket PC to Android

June 9th, 2009 by Melaneum

I don’t usually follow the latest gadgets and tend to skip a few generations of products before getting a new one. That’s what happened recently when I switched from my Pocket PC staring Windows Mobile 2003 to the HTC Dream (aka G1) with Android. That’s a 6 years gap between technologies and involved some workaround to migrate the contact data.

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Category: Android, Linux, Pocket PC | No Comments »

Hacking stories (part 1)

May 13th, 2009 by Melaneum

Web server are not easy beast to handle: you want to make the stuff work but at the same time for security, you want to have as little stuff as possible to be opened.

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Category: Linux | 1 Comment »

Distributed version control system

March 4th, 2009 by Melaneum

Few months ago, I moved from Toulouse to Singapore. As I continue to play with satellite images, I wanted to keep an access to the OTB repository and still participate to this open source project. It was also a good opportunity to move to a distributed source control system: sometimes, when you’re stranded in a plane/train/meeting, you really wish to have access to a full repository to do some clean work. Also, if the repository is behind a triple firewall with no possible outside access, this is not a really good way to encourage contributions…

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Category: Linux, OTB | No Comments »

Segfaults everywhere

May 22nd, 2008 by Melaneum

After updating my Debian yesterday, I needed to restart because of some kernel changes. At first, nothing unusual, vlc player was working fine, net surfing went without a glitch but… couldn’t start the amarok player : Segmentation fault. Read the rest of this entry »

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Pdf diff ?

May 13th, 2008 by Melaneum

Situation

Your exchanging pdf files with an editor for a journal publication. Each time you send a list of modifications to be applied and the modified pdf file comes back to you, usually with some additional modifications that you didn’t ask for. How to spot these change easily and to make sure they are relevant? Read the rest of this entry »

Category: Linux | 6 Comments »

20000 fichiers dans un repertoire

December 12th, 2007 by Melaneum

Avez-vous déjà eu le message suivant:

ls -l *
bash: /bin/ls: Argument list too long

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Flash sur linux 64 bits

November 27th, 2007 by Melaneum

Sur debian amd64

apt-get install nspluginwrapper
wget http://fpdownload.macromedia.com/get/flashplayer/\
current/install_flash_player_9_linux.tar.gz
tar xzvf install_flash_player_9_linux.tar.gz
mv install_flash_player_9_linux/flashplayer.xpt \
    install_flash_player_9_linux/libflashplayer.so \
    ~/.mozilla/plugins/
nspluginwrapper -i ~/.mozilla/plugins/libflashplayer.so

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