sudo apt-get install libprotobuf-dev libleveldb-dev libsnappy-dev libopencv-dev libhdf5-serial-dev protobuf-compiler
sudo apt-get install --no-install-recommends libboost-all-dev

 sudo apt-get install libatlas-base-dev
（or install OpenBLAS or MKL for better CPU performance）

sudo apt-get update   
sudo apt-get upgrade  // 更新
//安装依赖库
sudo apt-get install build-essential  
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev  
//安装opencv
sudo cmake .
sudo make
sudo make install
//配置环境变量
sudo /bin/bash -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
sudo ldconfig
sudo gedit/etc /bash.bashrc
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
export PKG_CONFIG_PATH
//编译samples程序：
cd samples
sudo cmake .
sudo make -j $(nproc) 
cd cpp
//运行测试程序：
sudo ./cpp-example-facedetect ../data/lena.jpg

cd path_caffe // 到指定目录
git clone git://github.com/BVLC/caffe.git//下载Caffe
cp Makefile.config.example Makefile.config

LIBRARIES += glog gflags protobuf leveldb snappy \
lmdb boost_system hdf5_hl hdf5 m \
opencv_core opencv_highgui opencv_imgproc opencv_imgcodecs

 sudo ./deviceQuery
 ./deviceQuery Starting.

CUDA Device Query (Runtime API) version (CUDART static linking)
Detected 1 CUDA Capable device(s)
Device 0: "NVS 4200M"
CUDA Driver Version / Runtime Version          7.0 / 7.0
CUDA Capability Major/Minor version number:    2.1
Total amount of global memory:                 1024 MBytes (1073414144 bytes)
 ( 1) Multiprocessors, ( 48) CUDA Cores/MP:     48 CUDA Cores
 GPU Max Clock rate:                            1620 MHz (1.62 GHz)
 Memory Clock rate:                             800 Mhz
 Memory Bus Width:                              64-bit
 L2 Cache Size:                                 65536 bytes
 Maximum Texture Dimension Size (x,y,z)         1D=(65536), 2D=(65536, 65535), 3D=(2048, 2048, 2048)
  Maximum Layered 1D Texture Size, (num) layers  1D=(16384), 2048 layers
  Maximum Layered 2D Texture Size, (num) layers  2D=(16384, 16384), 2048 layers
  Total amount of constant memory:               65536 bytes
  Total amount of shared memory per block:       49152 bytes
  Total number of registers available per block: 32768
  Warp size:                                     32
  Maximum number of threads per multiprocessor:  1536
  Maximum number of threads per block:           1024
  Max dimension size of a thread block (x,y,z): (1024, 1024, 64)
  Max dimension size of a grid size    (x,y,z): (65535, 65535, 65535)
  Maximum memory pitch:                          2147483647 bytes
  Texture alignment:                             512 bytes
  Concurrent copy and kernel execution:          Yes with 1 copy engine(s)
  Run time limit on kernels:                     Yes
  Integrated GPU sharing Host Memory:            No
  Support host page-locked memory mapping:       Yes
  Alignment requirement for Surfaces:            Yes
  Device has ECC support:                        Disabled
  Device supports Unified Addressing (UVA):      Yes
  Device PCI Domain ID / Bus ID / location ID:   0 / 1 / 0
  Compute Mode:
     < Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) >

deviceQuery, CUDA Driver = CUDART, CUDA Driver Version = 7.0, CUDA Runtime Version = 7.0, NumDevs = 1, Device0 = NVS 4200M
Result = PASS

make clean
make all -j4
make test -j4
make runtest -j4

.build_release/tools/caffe: error while loading shared libraries: libcudart.so.7.0: cannot open shared object file: No such file or directory
make: 3* [runtest] Error 127

sudo sh  data/mnist/get_mnist.sh
sudo sh data/cifar10/get_cifar10.sh
sudo sh data/ilsvrc12/get_ilsvrc_aux.sh

sudo  ./examples/mnist/create_mnist.sh
sudo ./examples/mnist/train_lenet.sh

sudo apt-get install gcc-4.7 g++-4.7 g++-4.7-multilib gcc-4.7-multilib
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.7 100 
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 50 
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.7 100 
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 50
sudo update-alternatives --install /usr/bin/cpp cpp-bin /usr/bin/cpp-4.7 100
sudo update-alternatives --install /usr/bin/cpp cpp-bin /usr/bin/cpp-4.8 50
// 验证gcc默认版本：
 gcc -v

$ hexo new "My New Post"

$ hexo server

$ hexo generate

$ hexo deploy

sudo apt-get install build-essential cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev

sudo unzip opencv3.zip  #解压
sudo cmake .            #编译
sudo make 
sudo make install

sudo /bin/bash -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'  
sudo ldconfig

sudo gedit /etc/bash.bashrc

cd samples
sudo cmake .
sudo make -j $(nproc) #
cd cpp
sudo ./cpp-example-facedetect ../data/lena.jpg