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Blog Archive - Kenarius Octonotes

http://bikulov.org/blog/archives

Static notes about IT. Tips for LXC 2: unprivileged containers. Script for user configurations generation and sending at Ubuntu OpenVPN server. Install Jupyter Notebook and Scientific Environment in Ubuntu 14.04 With Python 3. Scan images from command line in Linux. Animations from scientific data using Paraview 4.3 and python. Install CUDA 6.5 on clean Ubuntu 14.04. Create video illustrations from numerical experiments data with Paraview and Python 2. SSH config for multiple hops in Linux. Creating Zip ...

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Create video illustrations from numerical experiments data with Paraview and Python 2 - Kenarius Octonotes

http://bikulov.org/blog/2014/11/15/create-video-illustrations-from-numerical-experiments-data-with-paraview-and-python-2

Static notes about IT. Create Video Illustrations From Numerical Experiments Data With Paraview and Python 2. We will use latest stable build of Paraview from official site. Note: latest version of Paraview has strange error: it loses color while rendering. You may use previous Paraview 4.1 without this bug. Extract tarball into /bin/paraview folder. Run paraview and prepare scene as you like. Remember the name of the pipeline with file you want to change every frame (in my case it is. Install Jupyter No...

bikulov.org

Ubuntu Server 12.04 + Drupal 7 + nginx + MySQL - Kenarius Octonotes

http://bikulov.org/blog/2013/04/28/ubuntu-server-12-04-drupal-7-nginx-mysql

Static notes about IT. Ubuntu Server 12.04 Drupal 7 Nginx MySQL. Default Drupal package in Ubuntu installs Apache, but I prefer nginx as a webserver. In this note I’ll describe steps necessary to get Drupal 7 work. All variables in square brackets must be replaced by your names or passwords. Site will be available at url [sitename]. Install all necessary packages:. Sudo apt-get install -y nginx php5-fpm php-apc php5-mysql mysql-client-core-5.5 mysql-server php5-gd. Login to MySQL console:. Chown -R www-d...

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Animations from scientific data using Paraview 4.3 and python - Kenarius Octonotes

http://bikulov.org/blog/2015/04/05/animations-from-scientific-data-using-paraview-4-dot-3-and-python

Static notes about IT. Animations From Scientific Data Using Paraview 4.3 and Python. This note describes usage of Paraview 4.3 (contrary to previous note. With Paraview before 4.1). Some changes were made:. Command line arguments were added to make code more reusable. It works with Paraview extracted from the archive (4.3.1). White background must be specified manually (. SetViewProperties(view, Background = [1, 1, 1]). Home/bikulov/bin/ParaView-4.3.1-Linux-64bit/lib/paraview-4.3. State file to load.

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Example of CMake file for CUDA+CPP code - Kenarius Octonotes

http://bikulov.org/blog/2013/12/24/example-of-cmake-file-for-cuda-plus-cpp-code

Static notes about IT. Example of CMake File for CUDA CPP Code. Makefiles are quite straightforward and easy to write (in reasonable situations). But GNU Make is not crossplafrom. CMake is cross-platform, cross-application (it can generate projects for different IDEs and Makefile itself). It also allows you to split source directory and directory with intermediate files and compiled binary. Now CMake natively supports CUDA. Std=c 0x -O3 -ffast-math -Wall. Arch=compute 20,code=sm 20. Animations From Scien...

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throw() in function signature in C++ - Kenarius Octonotes

http://bikulov.org/blog/2013/11/23/throw-in-function-signature-in-c-plus-plus

Static notes about IT. Throw() in Function Signature in C. In standard library (header. Default constructor, copy constructor, copy operator and destructor and virtual. Function. Latter returns string with additional information about exception. The most confusing part in the above code is. It assures no exception will be thrown from the. Function. For example, if you want to allow exception. To be raised in this function, you must write. Class without derivation from any standard library class. There is...

bikulov.org

Setup Drupal 7 with nginx and PostgreSQL on Ubuntu 14.04 - Kenarius Octonotes

http://bikulov.org/blog/2014/08/09/setup-drupal-7-with-nginx-and-postgresql-on-ubuntu-14-dot-04

Static notes about IT. Setup Drupal 7 With Nginx and PostgreSQL on Ubuntu 14.04. This note is similar to previous drupal. Installations. Install requirements (webserver, php5, DB server, DB adapter for php) as root:. Apt-get install -y nginx php5-fpm nginx postgresql php5-pgsql php5-gd. Create user and database (replace. With desired username and. With database name, we will need this values in Drupal setup later) for future site:. Sudo -u postgres -i. Createuser USER - pwprompt - encrypted. Listen 80 ;.

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Install up-to-date scientific environment in Ubuntu 14.04 with Python 3.4 - Kenarius Octonotes

http://bikulov.org/blog/2014/05/14/install-up-to-date-scientific-environment-in-ubuntu-14-dot-04-with-python-3-dot-4

Static notes about IT. Install Up-to-date Scientific Environment in Ubuntu 14.04 With Python 3.4. I’ve created an updated page. With most recent instructions for Jupyter Notebook. I use IPython notebook for processing numerical experiments results and plotting. The default Python 3 in Ubuntu 14.04 is 3.4, so it is easier to install really up-to-date bunch of software. Install python development packages and g. Apt-get install -y python3-dev g. Install dependencies for scipy. Ipython notebook has bug:.

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Universal screen capturing with scrot, imagemagick and ffmpeg - Kenarius Octonotes

http://bikulov.org/blog/2013/01/23/universal-screen-capturing-with-scrot-imagemagick-and

Crop screenshots - Make a …". Static notes about IT. Universal Screen Capturing With Scrot, Imagemagick and Ffmpeg. You can record your screen using only command line in Linux. Workflow will look like: Create a bunch of screenshots - Crop screenshots - Make a movie from images. Scrot is command line screen capturing tool. It’s basic usage is very simple:. Scrot filename .png. If you want to specify output filename. We will use magrify utility from ImageMagick package:. Creating movie from images.

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resume - Kenarius Octonotes

http://bikulov.org/resume

Static notes about IT. 2012 – 2015. Computer Methods of Physics, Lomonosov Moscow State University, PhD student. Dissertation text is ready. 2007 – 2012. Computer Methods of Physics, Lomonosov Moscow State University, Diploma. 2015, October – current. 2013, December – 2015, October. Junior programmer in Yandex. 2012, September – 2015, October. Postgraduate education in Lomonosov Moscow State University. 2013, May – 2015, January. Research fellow in Lomonosov Moscow State University, Physics Faculty.