centos7安装VLC播放器
1.安装eple
下载地址：https://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm
2.安装nux-dextop
下载地址：http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
3.执行yum update
4.执行yum install vlc
