需要添加nginx的源
rpm -ivh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm
安装nginx
yum isntall nginx -y
以下是Nginx的默认路径：
Nginx配置路径：/etc/nginx/
PID目录：/var/run/nginx.pid
错误日志：/var/log/nginx/error.log
访问日志：/var/log/nginx/access.log
默认站点目录：/usr/share/nginx/html
事实上，只需知道Nginx配置路径，其他路径均可在/etc/nginx/nginx.conf 以及/etc/nginx/conf.d/default.conf 中查询到
启动与关闭
systemctl start nginx
启动
systemctl stop nginx
关闭
nginx -t
查看有没有错误