Tag Archives: Debian GNU/Linux

Uim scm file for Hangul sebeol final and English Colemak keyboard layout

Four to five years ago I learned about Seboel keyboard layout for Hangul (Modern Korean alphabet invented by the Great King Sejong five hundred years ago.) To carry on enthusiasm about Hangul, I abandoned Duboel keyboard layout and switched to … Continue reading

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Firefox v40 doesn’t play sound on Flash videos.

Debian 8.0 (Jessie) Sound system: ALSA The soultion I found was to change /etc/asound.conf file. $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: SB [HDA ATI SB], device 0: ALC887-VD Analog [ALC887-VD Analog] Subdevices: 1/1 Subdevice … Continue reading

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Check Debian archive mirrors bandwidth using apt-spy

Full guide is here. I briefly write down how I used apt-spy for finding new Debian mirror site. Apparently the primary mirror site I have been became useless. The network connection was so slow that aptitude even failed to update … Continue reading

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Screen capture using ffmpeg in Debian Wheezy

I made a simple screen capture script that uses ffmpeg to create MPEG-4 video file. I replaced two script lines from the original script. If you are using ALSA sound driver, replace ‘-f alsa -i pulse’ to ‘-f alsa -i … Continue reading

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Making 3V 5/9 Icosahedron Dome by using Geodome

Geodome is open source Geodesic Dome design software. I installed it from the source tarball. To make a 3V 5/9 Icosahedron dome explained on SimplyDifferently.org page, you need to remove the bottom row. Main dome design program’s name is dome. … Continue reading

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Tesseract OCR engine

Optical Character Recognition (OCR) software convert image into text data. Installation of Tesseract in Debian Wheezy is simple. tesseract-ocr Command line OCR tool The Tesseract OCR engine was one of the top 3 engines in the 1995 UNLV Accuracy test. … Continue reading

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How to find shutter count of Nikon D200 in Debian Wheezy?

2016/03/18 I will make a script that read shutter count data from Nikon and Sony cameras. I think exiftool can do it. Sony A6000 Read shutter count from an image file. ./sc-sonya6000.sh sonya6000_2016031716.JPG sonya6000_2016031716.JPG : 1471 Read shutter counts from … Continue reading

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