http://nginx.org/en/linux_packages.html#RHEL-CentOS
cat << 'EOF' > /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.key
module_hotfixes=true
EOF
查看能够安装的nginx版本 yum list nginx --showduplicates
yum install nginx-1.16.1
nginx -V
##################################################### 冗余信息 #################################################
yum list nginx --showduplicates
Available Packages
nginx.x86_64 1:1.8.0-1.el7.ngx nginx-stable
nginx.x86_64 1:1.8.1-1.el7.ngx nginx-stable
nginx.x86_64 1:1.10.0-1.el7.ngx nginx-stable
nginx.x86_64 1:1.10.1-1.el7.ngx nginx-stable
nginx.x86_64 1:1.10.2-1.el7.ngx nginx-stable
nginx.x86_64 1:1.10.3-1.el7.ngx nginx-stable
nginx.x86_64 1:1.12.0-1.el7.ngx nginx-stable
nginx.x86_64 1:1.12.1-1.el7.ngx nginx-stable
nginx.x86_64 1:1.12.2-1.el7_4.ngx nginx-stable
nginx.x86_64 1:1.14.0-1.el7_4.ngx nginx-stable
nginx.x86_64 1:1.14.1-1.el7_4.ngx nginx-stable
nginx.x86_64 1:1.14.2-1.el7_4.ngx nginx-stable
nginx.x86_64 1:1.16.0-1.el7.ngx nginx-stable
nginx.x86_64 1:1.16.1-1.el7 epel
nginx.x86_64 1:1.16.1-1.el7.ngx nginx-stable
nginx.x86_64 1:1.18.0-1.el7.ngx nginx-stable
See what resources are included in the installed package
[root@node1 ~]# rpm -ql nginx
/etc/logrotate.d/nginx
/etc/nginx
/etc/nginx/conf.d
/etc/nginx/conf.d/default.conf
/etc/nginx/fastcgi_params
/etc/nginx/koi-utf
/etc/nginx/koi-win
/etc/nginx/mime.types
/etc/nginx/modules
/etc/nginx/nginx.conf
/etc/nginx/scgi_params
/etc/nginx/uwsgi_params
/etc/nginx/win-utf
/etc/sysconfig/nginx
/etc/sysconfig/nginx-debug
/usr/lib/systemd/system/nginx-debug.service
/usr/lib/systemd/system/nginx.service
/usr/sbin/nginx
/usr/sbin/nginx-debug
/var/cache/nginx
/var/log/nginx
....