Skip to content

Instantly share code, notes, and snippets.

View ngunsu's full-sized avatar
:octocat:

Cristhian Aguilera ngunsu

:octocat:
  • Universidad San Sebastian
  • Puerto Montt, Chile
View GitHub Profile
git submodule update --init --recursive
@ngunsu
ngunsu / README-setup-tunnel-as-systemd-service.md
Created July 29, 2019 20:13 — forked from drmalex07/README-setup-tunnel-as-systemd-service.md
Setup a secure (SSH) tunnel as a systemd service. #systemd #ssh #ssh-tunnel #ssh-forward

README

Create a template service file at /etc/systemd/system/secure-tunnel@.service. The template parameter will correspond to the name of target host:

[Unit]
Description=Setup a secure tunnel to %I
After=network.target
@ngunsu
ngunsu / sh
Created September 8, 2017 08:02
cpupower
sudo cpupower frequency-set -g <powersave|performance>
@ngunsu
ngunsu / gist:c60a638c9215380e25c3155625712c1f
Created September 12, 2016 10:07
Latexmk continuos build
latexmk -pdf -pvc main.tex
@ngunsu
ngunsu / gist:26f47c0cb5ea2f153794
Created August 4, 2015 14:36
Create user in mysql and grant access
CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON * . * TO 'newuser'@'localhost';
@ngunsu
ngunsu / gist:d92645863baa17778e90
Last active August 29, 2015 14:23
Compile opencv3 with contrib ubuntu
sudo apt-get -y install libopencv-dev build-essential cmake git libgtk2.0-dev pkg-config python-dev python-numpy libdc1394-22 libdc1394-22-dev libjpeg-dev libpng12-dev libtiff4-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libxine-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev libtbb-dev libqt4-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils unzip
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D WITH_QT=ON -D WITH_OPENGL=ON -DOPENCV_EXTRA_MODULES_PATH=opencv_contrib/modules -DBUILD_opencv_legacy=OFF BUILD_EXAMPLES=ON ..
@ngunsu
ngunsu / gist:e87764ade44cedab7b0e
Created June 16, 2015 07:10
Extract images from video
ffmpeg -i vid.avi
ffmpeg -i vid.avi -r 30 -f image2 image-%5d.png
@ngunsu
ngunsu / gist:0a18e5c20bf869694869
Last active July 17, 2017 16:40
Opencv from GitHub with contrib sierra
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D WITH_QT=OFF -D WITH_OPENGL=ON -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules -DBUILD_opencv_legacy=OFF -D PYTHON_EXECUTABLE=/usr/local/bin/python3 -D PYTHON_PACKAGES_PATH=/usr/local/lib/python3.6/site-packages -D INSTALL_PYTHON_EXAMPLES=ON -D PYTHON_INCLUDE_DIR=/usr/local/Cellar/python3/3.6.1/Frameworks/Python.framework/Versions/3.6/Headers -D PYTHON_LIBRARY=/usr/local/Cellar/python3/3.6.1/Frameworks/Python.framework/Versions/3.6/lib/libpython3.6.dylib -D BUILD_EXAMPLES=ON -D WITH_CUDA=OFF ..
@ngunsu
ngunsu / gist:14608d60f71a748d5502
Created October 30, 2014 20:37
Run Matlab from command line example
matlab -nodesktop -nosplash -r "try,script,end;exit;"
@ngunsu
ngunsu / gist:52bfa6cbce7e80b97eec
Last active August 29, 2015 14:05
Compile and install OpenCV 2.4.x in ubuntu
cmake -D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON -D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON -D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON ..