Level 2
Have you tried to run apt-get -f install?
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show like this
root :~# sudo apt-get install ffmpeg
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
ffmpeg : Depends: libavcodec57 (>= 7:3.4.2) but it is not going to be installed or
libavcodec-extra57 (>= 7:3.4.2) but it is not going to be installed
Depends: libavdevice57 (>= 7:3.4.2) but it is not going to be installed
Depends: libavfilter6 (>= 7:3.4.2) but it is not going to be installed or
libavfilter-extra6 (>= 7:3.4.2) but it is not going to be installed
Depends: libavformat57 (>= 7:3.4.2) but it is not going to be installed
Depends: libavresample3 (>= 7:3.4.2) but it is not going to be installed
Depends: libavutil55 (>= 7:3.4.2) but it is not going to be installed
Depends: libpostproc54 (>= 7:3.4.2) but it is not going to be installed
Depends: libsdl2-2.0-0 (>= 2.0.4) but it is not going to be installed
Depends: libswresample2 (>= 7:3.4.2) but it is not going to be installed
Depends: libswscale4 (>= 7:3.4.2) but it is not going to be installed
linux-image-virtual : Depends: linux-image-4.4.0-122-generic but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
Why?
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