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最新推荐文章于 2024-10-09 22:28:22 发布

qq_36417644

最新推荐文章于 2024-10-09 22:28:22 发布

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分类专栏： ubunut

本文链接：https://blog.youkuaiyun.com/qq_36417644/article/details/88992477

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0 篇文章

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1不能访问分区

在终端输入如下命令，查看分区挂载情况

修复挂载错误的相应的分区,如提示中的/dev/sda5，输入：

sudo fdisk -l
sudo ntfsfix /dev/sda5

2查看ubuntu 版本

gw@wg:~$ lsb_release
No LSB modules are available.
gw@wg:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.5 LTS
Release:	14.04
Codename:	trusty

3 opencv

3.1安装opencv 2.4.9

#Building OpenCV from scratch without Qt and with nonfree
wget http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.9/opencv-2.4.9.zip
unzip opencv-2.4.9.zip
rm opencv-2.4.9.zip
cd opencv-2.4.9
mkdir build
cd build
cmake -D BUILD_NEW_PYTHON_SUPPORT=OFF -D WITH_OPENCL=OFF -D WITH_OPENMP=ON -D INSTALL_C_EXAMPLES=OFF -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=OFF -D WITH_QT=OFF -D WITH_OPENGL=OFF -D WITH_VTK=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_TESTS=OFF -D WITH_CUDA=OFF -D BUILD_opencv_gpu=OFF ..
make -j8
sudo make install
echo "/usr/local/lib" | sudo tee -a /etc/ld.so.conf.d/opencv.conf
sudo ldconfig
echo "PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig" | sudo tee -a /etc/bash.bashrc
echo "export PKG_CONFIG_PATH" | sudo tee -a /etc/bash.bashrc
source /etc/bash.bashrc
cd ../..
rm -rf opencv-2.4.9

4 双屏显示

4.1 查看屏幕信息

txz2018@HP:~$ xrandr
Screen 0: minimum 8 x 8, current 3840 x 1080, maximum 32767 x 32767
DVI-D-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
   1920x1080     60.00*+
   1680x1050     59.95  
   1600x900      75.00    60.00  
   1440x900      59.89  
   1280x1024     75.02    70.00    60.02  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   800x600       75.00    72.19    60.32    56.25  
   640x480       75.00    72.81    59.94  
HDMI-0 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 368mm x 207mm
   1920x1080     60.00*+  59.94    50.00    60.05    60.00    50.04  
   1680x1050     59.95  
   1600x900      60.00  
   1440x900      59.89  
   1400x1050     59.98  
   1366x768      59.79  
   1280x1024     75.02    60.02  
   1280x960      60.00  
   1280x800      59.81  
   1280x768      59.87  
   1280x720      60.00    59.94    50.00  
   1024x768      75.03    70.07    60.00  
   800x600       75.00    72.19    60.32    56.25  
   720x576       50.00  
   720x480       59.94  
   640x480       75.00    72.81    59.94    59.93  
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)

4.2 编写脚本

txz2018@HP:~$ vim .xprofile.sh
i 插入
xrandr --output  VGA-0  --primary --auto 
xrandr --output  HDMI-0 --rotate normal  --left-of VGA-0  --auto 
esc 退出 :wq!强制保存并退出
txz2018@HP:~$ sudo chmod +x .xprofile.sh 
txz2018@HP:~$ ./.xprofile.sh