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ubuntu解决网络连接的优先级

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apt install linux-headers-4.15.0-188-generic apt install linux-image-4.15.0-188-generic apt install linux-modules-4.15.0-188-generic apt install linux-modules-extra-4.15.0-188-generic

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ubuntu下app在加载so库时，会报错： error while loading shared libraries: /lib/libhcnetsdk.so: file too short 原因:app中的链接文件太小，有可能是文件损坏或文件是软链接

报错内容： cvReleaseImage 等opencv函数无法链接 libopencv_core.so.4.3: error adding symbols: DSO missing from command line 解决思路： $ sudo chmod +r libopencv_core.so.4.3 $ sudo ln -sf libopencv_core.so.4.3 libopencv_core.so.4.3.0 $ sudo ldconfig 编译成功 ...