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January 3, 2018 15:59
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Configure DigitalOcean Droplet for cloud image processing
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| # Prepare system | |
| apt-get update | |
| apt-get upgrade | |
| apt-get install build-essential | |
| apt-get install cmake | |
| apt-get install git | |
| apt-get install pkg-config | |
| # Grab frest opencv library | |
| curl -sL https://github.com/Itseez/opencv/archive/master.zip > opencv.zip | |
| unzip opencv.zip | |
| rm opencv.zip | |
| # Configure & install OpenCV | |
| mkdir opencv-build | |
| cd opencv-build/ | |
| cmake -DCMAKE_BUILD_TYPE=RELEASE -DBUILD_DOCS=OFF -DBUILD_EXAMPLES=OFF -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF -DWITH_OPENEXR=OFF ../opencv-master/ | |
| make install | |
| # Install Node.js | |
| # See https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager | |
| apt-get update | |
| apt-get install python-software-properties python g++ make | |
| apt-get install software-properties-common | |
| add-apt-repository ppa:chris-lea/node.js | |
| apt-get update | |
| apt-get install nodejs | |
| # Make symbolic link to alias node and nodejs commands | |
| ln /usr/bin/nodejs /usr/bin/node | |
| npm install -g express | |
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Thanks.
As its on a DO droplet, what terminal do you use to do tests? I've been using putty when setting up various droplets in the past but now that I'm setting up for OpenCV face detect, I keep getting this result from a demo I am testing:
[[ 0.8660254 -0.5 162.29749663]
[ 0.5 0.8660254 -93.70250337]]
QXcbConnection: Could not connect to display
Aborted (core dumped)
The values are the results of the rotate.py demo I'm running but as you can see I am not able to do the visual. If it was on my local machine I guess all would be fine but as its a virtual machine I'm stuck on what I should use. Putty is text based (hence puTTY) so this may be the issue I am having.