下载CentOS最新可用RPM包进行安装，最新版在下面
下载安装命令如下
wget -c https://repo.jellyfin.org/releases/server/centos/stable/server/jellyfin-server-10.8.11-1.el7.x86_64.rpm
wget -c https://repo.jellyfin.org/releases/server/centos/stable/web/jellyfin-web-10.8.11-1.el7.noarch.rpm安装
rpm -Uvh --nodeps jellyfin-server-10.8.11-1.el7.x86_64.rpm
rpm -Uvh --nodeps jellyfin-web-10.8.11-1.el7.noarch.rpm启动jellyfin
systemctl start jellyfin
systemctl restart jellyfin
systemctl stop jellyfin
＃设置开机启动
systemctl enable jellyfin
systemctl disable jellyfin安装ffmpeg
先按照CentOS7 安裝 FFmpeg 再用下面的步骤覆盖
#下载ffmpeg
wget https://johnvansickle.com/ffmpeg/builds/ffmpeg-git-amd64-static.tar.xz
#解压
tar -xvf ffmpeg-git-amd64-static.tar.xz
#移动目录
cp ffmpeg-git-20200211-amd64-static/ffmpeg /usr/bin/
cp ffmpeg-git-20200211-amd64-static/ffprobe /usr/bin/打开Jellyfin后台 – 服务器 – 播放 – 将FFmpeg 路径设置为/usr/bin/ffmpeg