Ubuntu

Sunday. May 12, 2019 - 1 min

Install OpenCV 3.3 on Ubuntu 16.04 LTS with CUDA 9.0

Instructions: https://github.com/BVLC/caffe/wiki/OpenCV-3.3-Installation-Guide-on-Ubuntu-16.04. Potential problems during installing https://stackoverflow.com/questions/46584000/cmake-error-variables-are-set-to-notfound https://stackoverflow.com/questions/46884682/error-in-building-opencv-with-ffmpeg Install ffmpeg: tar xvf ffmpeg-3.1.11.tar.bz2 cd ffmpeg-3.1.11 sudo apt-get install yasm ./configure –host-cppflags=-fPIC –host-cflags=-fPIC –enable-shared make sudo make install ——————— 作者：二十马赫来源：CSDN 原文：https://blog.csdn.net/qq_24878901/article/details/82382895 版权声明：本文为博主原创文章，转载请附上博文链接！

Show apt package version

sudo apt show <package_name>

Ubuntu 16.04 LTS randomly log out by itself

reference: https://askubuntu.com/questions/772777/ubuntu-16-04-lts-will-automatically-log-out

Ctrl+Alt+F6
sudo rm -v .Xauthority (in home directory)
sudo service lightdm restart (restrat lightdm to let system recreate .Xauthority file)