如何检查是否安装了共享库?
我的问题来自启动ffmpeg的问题。我已经安装了ffmpeg,它显示为已安装: whereis ffmpeg ffmpeg: /usr/bin/ffmpeg /usr/bin/X11/ffmpeg /usr/share/ffmpeg /usr/share/man/man1/ffmpeg.1.gz 后来,我发现某些程序依赖于安装本身不附带的库,因此我使用ldd命令检查了缺少的内容: # ldd /usr/bin/ffmpeg linux-vdso.so.1 => (0x00007fff71fe9000) libavfilter.so.0 => not found libpostproc.so.51 => not found libswscale.so.0 => not found libavdevice.so.52 => not found libavformat.so.52 => not found libavcodec.so.52 => not found libavutil.so.49 => not found libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f5f20bdf000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 …