1.下载安装nux-desktop

到http://li.nux.ro/download/nux/dextop/el7/x86_64/找到nux-dextop-release-xxxx.nux.noarch.rpm

rpm -ivh nux-dextop-release-xxxx.nux.noarch.rpm

2.安装cairo-dock

yum install cairo-dock

3.启动

左上角的应用程序下的系统工具点击cairo-dock