centos 7 安装vlc

安装方法：

　　https://www.videolan.org/vlc/download-redhat.html

 　　yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
    yum install https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm
    yum install vlc

root 无法运行， 需要修改配置, 修改方法：
　　cp /usr/bin/vlc  /usr/bin/vlc.bak
　　vim  /usr/bin/vlc 打开文件，把 geteuid 修改为 getppid