Centos 7 yum源安装nginx

vim/etc/yum.repos.d/nginx.repo

[nginx-stable]name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.keymodule_hotfixes=true

[nginx-mainline]
name=nginx mainline repo
baseurl=http://nginx.org/packages/mainline/centos/$releasever/$basearch/gpgcheck=1
enabled=0
gpgkey=https://nginx.org/keys/nginx_signing.keymodule_hotfixes=true

yuminstallnginx-y