#Nux Dextop庫依賴於EPEL庫，所有要先安裝EPEL庫
yum -y install epel-release
#安裝Nux Dextop庫
rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
檢查Nux Dextop是否安裝成功：
$ yum repolist
安裝ffmpeg
yum -y install ffmpeg-libs
yum -y install ffmpeg