simplehooman

Author: admin

  • Install Crashplan on Raspberry Pi

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    Credits to http://www.bionoren.com/blog/2013/02/raspberry-pi-crashplan/ for this guide. I am replicating here for my own benefit, should the site above ever go offline. Download the latest version of Java JDK 8 for ARM and transfer it to your Raspberry Pi. Unpack it to /opt (the filename will probably change with each update) and check it is installed ok:…

  • Run Bittorrent Sync automatically on Linux startup

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    If you normally start btsync manually, you can easily make it start automatically on boot. Say your normal command to start btsync was: /opt/btsync –config /etc/btsync.conf   Create a file in a location such as /opt/btsync.startup containing the above command. Create a link to it in /etc/init.d ln -s /opt/btsync.startup /etc/init.d/btsync This will allow you…

  • Install Webmin on Raspberry Pi

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    This can be done by manually adding a webmin repository to the apt package management system, enabling a simple install via apt-get install webmin : sudo vi /etc/apt/sources.list Add the following lines to the file and save it: deb http://download.webmin.com/download/repository sarge contrib deb http://webmin.mirror.somersettechsolutions.co.uk/repository sarge contrib Run these commands to install the key for the repo, update…

  • Nest Thermostat data logging with Raspberry Pi and Node.js

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    First problem: Node version The version of Node installed from Raspbian repo is very old, and wouldn’t work with one of the required NPM modules. Second attempt was to install Node using the official script from node.js, but this resulted in segmentation faults whenever you try to do anything. I assume it must have installed…

  • Trimming video with avconv

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    To remove a section from the start of a video Use the -ss  (start seek) option before the -i  (input filename) parameter. The following would trim the first 35 seconds from the start of the video.: avconv -ss 35 -i input_filename.MP4 -codec copy output_filename.MP4 Using the -codec copy  option means it won’t alter the audio/video streams, and means…

  • Good default avconv settings for HD video compression/archival

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    Here are the avconv settings I like to use when converting 1080i HD movies from my camera: -crf 21 -c:v libx264 -preset medium -maxrate 2000k -bufsize 1835k -c:a libfaac -b:a 128k I find this results in a video which is only very inferior from the one taken from the camera, but is generally about 1/8…

  • Flat roof heat loss

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    I recently wanted to find out how much my poorly insulated flat roof was costing money-wise in terms of heat lost to the outside, and also how long it would take to pay back if I insulated it. This was mainly because the quotes I had from roofers for the recommended 120mm PIR board insulation…

  • Gimp Deskew Plugin Compiled for Ubuntu 64 bit

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    Below is a pre-compiled version of the deskew plugin for Gimp 2.8, which is a dependency for the widely used DivideScannedImages script. I couldn’t find a working Linux version of it to download, so I compiled it myself instead. It was compiled on 64 bit Ubuntu 12.10 but I would expect it to work on other…