!sudo apt-get update
! sudo apt-get install -y cmake build-essential pkg-config ant \
libtiff5-dev libopenexr-dev libwebp-dev Libpng-dev \
libdc1394-22-dev libavcodec-dev libavformat-dev libswscale-dev libavresample-dev Libv4l-dev \
Libgtk-3-dev Libtesseract-dev Libhdf5-dev -y libopenblas-dev libopenblas-base Liblapacke-dev \
libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev \
Libtbb-dev
lists... Done Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package Libpng-dev E: Unable to locate package Libv4l-dev E: Unable to locate package Libgtk-3-dev E: Unable to locate package Libtesseract-dev E: Unable to locate package Libhdf5-dev E: Unable to locate package Liblapacke-dev E: Unable to locate package Libtbb-dev