从新的内核重启后，一条命令

sudo dnf remove --oldinstallonly

https://www.jianshu.com/p/856d413372e0

启用rpmfusion

sudo dnf install gstreamer1-plugins-{bad-\*,good-\*,base} gstreamer1-plugin-openh264 gstreamer1-libav --exclude=gstreamer1-plugins-bad-free-devel
sudo dnf group upgrade --with-optional --allowerasing Multimedia

https://ostechnix.com/how-to-install-multimedia-codecs-in-fedora-linux/

sudo restorecon -rv /usr/local/bin/

https://blog.csdn.net/kunyus/article/details/106592236