nginx
1.centos 5：
rpm -ivh http://nginx.org/packages/centos/5/noarch/RPMS/nginx-release-centos-5-0.el5.ngx.noarch.rpm
centos 6：
rpm -ivh http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
centos 7：
rpm -ivh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm
2.yum install nginx
到此nginx就安装好了
nginx的默认路径是/usr/share/nginx/html
利用/etc/init.d/nginx start 来试试吧