Installing F27 rpms (downgrading from F28 RpmFusion rpms): $ sudo dnf install ./*.rpm --releasever=27 Last metadata expiration check: 3:35:29 ago on Wed 04 Apr 2018 01:26:51 PM EDT. Dependencies resolved. ================================================================================ Package Arch Version Repository Size ================================================================================ Downgrading: ffmpeg x86_64 3.3.5-2.fc27 rpmfusion-free 1.5 M ffmpeg-libs x86_64 3.3.5-2.fc27 rpmfusion-free 6.4 M giflib x86_64 4.1.6-19.fc27 fedora 45 k gvfs x86_64 1.34.2.1-1.fc27 updates 375 k gvfs-archive x86_64 1.34.2.1-1.fc27 updates 52 k gvfs-client x86_64 1.34.2.1-1.fc27 updates 805 k libavdevice x86_64 3.3.5-2.fc27 rpmfusion-free 87 k libcddb x86_64 1.3.2-24.fc27 fedora 76 k libcdio x86_64 0.94-5.fc27 updates 250 k libcdio-paranoia x86_64 10.2+0.93+1-10.fc27 fedora 87 k libmfx x86_64 1.21-3.fc27 fedora 33 k libva x86_64 1.8.3-5.fc27 updates 90 k mencoder x86_64 1.3.0-11.fc27 rpmfusion-free 866 k mplayer-common x86_64 1.3.0-11.fc27 rpmfusion-free 1.2 M mytharchive x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 12 M mythbrowser x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 109 k mythffmpeg x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 6.3 M mythgallery x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 235 k mythgame x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 211 k mythmusic x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 683 k mythnetvision x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 15 M mythnews x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 121 k mythplugins x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 27 k mythtv x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 35 k mythtv-backend x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 1.8 M mythtv-base-themes x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 13 M mythtv-common x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 8.3 M mythtv-docs noarch 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 134 k mythtv-frontend x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 16 M mythtv-libs x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 7.8 M mythtv-setup x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 130 k mythweather x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 419 k mythzoneminder x86_64 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 161 k perl-MythTV noarch 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 41 k php-MythTV noarch 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 31 k pragha x86_64 1.3.3-10.fc27 updates 416 k python-MythTV noarch 29.1-15.20180228.8.g925ceea0fb.fc27 @commandline 291 k x264-libs x86_64 0.148-22.20170521gitaaa9aa8.fc27 rpmfusion-free 570 k x265-libs x86_64 2.5-1.fc27 rpmfusion-free 1.7 M Transaction Summary ================================================================================ Downgrade 39 Packages Total size: 98 M Total download size: 14 M Is this ok [y/N]: