添加 epel 源

rpm -ivh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-1.el7.nux.noarch.rpm
rpm -ivh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-2.el7.nux.noarch.rpm
rpm -ivh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-3.el7.nux.noarch.rpm
rpm -ivh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-4.el7.nux.noarch.rpm
rpm -ivh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm

安装fbida工具

yum install fbida -y

验证方法
终端运行命令: fbi <图片名> , 查看终端能否显示图片

fbi aa.jpg

 注意这个只能在终端输出，远程登录是不能用的。