Tag Archives: Debian GNU/Linux

Install Brave browser

Posted on January 11, 2021 by janpenguin

sudo apt install apt-transport-https curl gnupg curl -s https://brave-browser-apt-release.s3.brave.com/brave-core.asc | sudo apt-key –keyring /etc/apt/trusted.gpg.d/brave-browser-release.gpg add – echo “deb [arch=amd64] https://brave-browser-apt-release.s3.brave.com/ stable main” | sudo tee /etc/apt/sources.list.d/brave-browser-release.list sudo apt update sudo apt install brave-browser

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

Posted on November 9, 2015 by janpenguin

6/7/2019 Set up Colemak keyboard layout after Devuan installation $ sudo dpkg-reconfigure keyboard-configuration Activate the change in Xorg $ sudo udevadm trigger –subsystem-match=input –action=change To use Colemak in bootup, modify /etc/initramfs-toosl/initramfs.conf. KEYMAP=y $ sudo update-initramfs -u -k all Korean font … Continue reading →

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Firefox v40 doesn’t play sound on Flash videos.

Posted on September 11, 2015 by janpenguin

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

Posted on October 16, 2013 by janpenguin

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

Posted on October 16, 2013 by janpenguin

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

Posted on September 18, 2013 by janpenguin

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

Posted on May 18, 2013 by janpenguin

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?

Posted on March 28, 2013 by janpenguin

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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IPython and matplotlib

Posted on December 17, 2012 by janpenguin

OS: Debian Wheezy The explanation is here. $ ipython -pylab WARNING: `-pylab` flag has been deprecated. Use `–pylab` instead, or `–pylab=foo` to specify a backend.Python 2.7.3 (default, Sep 9 2012, 17:41:34) Type “copyright”, “credits” or “license” for more information. IPython … Continue reading →

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Tux key cap

Posted on November 17, 2012 by janpenguin

Few days ago I got upset thinking “Why do I have to see the Windows log every day on my keyboard?” I picked up a black and white Tux log, adjusted DPI to 300, then printed using GIMP. After cutting … Continue reading →

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