How do I get video thumbnails on Ubuntu

 

sudo apt install ffmpegthumbnailer

 sudo -H gedit /usr/share/thumbnailers/totem.thumbnailer

TryExec=/usr/bin/ffmpegthumbnailer
Exec=/usr/bin/ffmpegthumbnailer -s %s -i %i -o %o -c png -f 

rm -r ~/.cache/thumbnails 

reboot

source: https://askubuntu.com/questions/1112728/how-do-i-get-video-thumbnails-on-ubuntu-18-04-1-lts?utm_source=pocket_saves