"error while loading shared libraries: xxx.so.x" 错误的原因和解决办法

ubuntu16.04安装realsenseD435i驱动。

源码编译驱动。尝试运行时，报错如下，

./realsense-viewer: error while loading shared libraries: librealsense2-gl.so.2.29: cannot open shared object file: No such file or directory

解决方案：

https://blog.csdn.net/sahusoft/article/details/7388617