ubuntu装软件包

查找包

aptitude search pkgName

pkgName可以有多个（空格分隔）

ffmpeg

sudo add-apt-repository ppa:kirillshkrogalev/ffmpeg-next

sudo apt-get update

sudo apt-get install ffmpeg

编译安装opencv和opencv contrib 以及python接口

罗嗦版：http://www.cnblogs.com/zjutzz/p/6714490.html

mkdir -p ~/work/gitdown

cd $_

git clone https://github.com/opencv/opencv

git clone https://github.com/opencv/opencv_contrib

cd opencv

mkdir build

cd build

cmake \

-D CMAKE_BUILD_TYPE=Release \

-D CMAKE_INSTALL_PREFIX=/usr/local/opencv-git-master \

-D WITH_CUDA=OFF \

-D WITH_VTK=OFF \

-D WITH_MATLAB=OFF \

-D BUILD_DOCS=ON \

-D OPENCV_EXTRA_MODULES_PATH=/home/chris/work/gitwhat/opencv_contrib/modules \

-D PYTHON2_EXECUTABLE=/usr/bin/python \

-D PYTHON3_EXECUTABLE=/usr/bin/python3 \

-D PYTHON_INCLUDE_DIR=/usr/include/python2.7 \

-D PYTHON_INCLUDE_DIR2=/usr/include/x86_64-linux-gnu/python2.7 \

-D PYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython2.7.so \

-D PYTHON2_NUMPY_INCLUDE_DIRS=/usr/lib/python2.7/dist-packages/numpy/core/include/ \

-D PYTHON3_NUMPY_INCLUDE_DIRS=/usr/lib/python3.5/dist-packages/numpy/core/include/ \

..

期间容易出现ippicv等第三方包下载不下来的情况。找到对应的.cmake文件，把下载地址拼接出来自行下载，注意替换掉md5的hash值。下载的文件放到<opencv_root>/.cache目录下，例如：

.cache

├── ippicv

│   └── 1469ff5ced054be500921d2d46278ef4-ippicv_linux_20151201.tgz

├── protobuf

│   └── bd5e3eed635a8d32e2b99658633815ef-protobuf-cpp-3.1.0.tar.gz

├── tiny_dnn

│   └── adb1c512e09ca2c7a6faef36f9c53e59-v1.0.0a3.tar.gz

└── xfeatures2d

    ├── boostdesc

    │   ├── 0ae0675534aa318d9668f2a179c2a052-boostdesc_lbgm.i

    │   ├── 0ea90e7a8f3f7876d450e4149c97c74f-boostdesc_bgm.i

    │   ├── 202e1b3e9fec871b04da31f7f016679f-boostdesc_binboost_064.i

    │   ├── 232c966b13651bd0e46a1497b0852191-boostdesc_bgm_bi.i

    │   ├── 324426a24fa56ad9c5b8e3e0b3e5303e-boostdesc_bgm_hd.i

    │   ├── 98ea99d399965c03d555cef3ea502a0b-boostdesc_binboost_128.i

    │   └── e6dcfa9f647779eb1ce446a8d759b6ea-boostdesc_binboost_256.i

    └── vgg

        ├── 151805e03568c9f490a5e3a872777b75-vgg_generated_120.i

        ├── 7126a5d9a8884ebca5aea5d63d677225-vgg_generated_64.i

        ├── 7cd47228edec52b6d82f46511af325c5-vgg_generated_80.i

        └── e8d0dcd54d1bcfdc29203d011a797179-vgg_generated_48.i

新编译出来的cv2.so位于/usr/local/opencv-git-master/lib/cv2.so

sudo apt-get remove python-opencv

sudo ln -sf /usr/local/opencv-git-master/lib/python2.7/dist-packages/cv2.so /usr/lib/python2.7

或者设定PYTHONPATH也可以

编译安装protobuf3.2

apt装的protobuf是2.5版本. pip装的protobuf是3.2版。使用了python layer的网络，如果用tools/caffe.cpp编译出的工具build/caffe来执行网络，会报protobuf版本问题，需要protobuf-cpp的版本装3.2版

编译装protobuf3.2

卸载apt的protobub

sudo apt-get remove --purge libprotobuf-dev

如果你是ubuntu-desktop用户，那你的桌面有可能被误删。立即安装（不要重启）：

sudo apt-get install ubuntu-desktop -y

sudo apt-get install unity -y

sudo apt-get install compiz-gnome -y

sudo apt-get install libcompizconfig0 -y

静态编译protobuf（产生libprotobuf.a而不是.so文件，否则caffe编译会报错）

sudo apt-get install autoconf automake libtool curl make g++ unzip

cd ~/work/gitdown

git clone https://github.com/google/protobuf

git checkout -b 3.2.x origin/3.2.x

cd protobuf

vim configure

修改2658行和2661行，引号里面都换成"-fPIC"

./autogen.sh

./configure --disable-shared

make -j8

sudo make install

sudo ldconfig

重新编译caffe

cd ~/work/caffe-BVLC

make clean

make -j8

make pycaffe

android-studio

真机调试：需要先设定udev的规则。

参考：http://www.jianshu.com/p/958361328ae5

exfat无法挂载？

sudo apt-get install exfat-utils

flash

sudo apt-get install flashplugin-installer

refs

http://blog.csdn.net/linyushan11/article/details/10378419

https://github.com/BVLC/caffe/issues/19