1.加入YUM源
rpm -Uvh http://download.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-8.noarch.rpm
2.更新
sudo yum update
3.安装软件
yum install qgis qgis-python qgis-grass qgis-mapserver
CentOS7上安装QGIS
原文：http://www.cnblogs.com/gispathfinder/p/6220430.html
