CentOS7.x安装nginx

1.安装先决条件

 yum install yum-utils

2.设置yum存储库和创建/etc/yum.repos.d/nginx.repo 使用以下内容命名的文件 ：
稳定版

[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

开发版

[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.key

3.默认情况用稳定版本的，使用主线nginx包，请运行以下命令：

yum-config-manager --enable nginx-mainline

4.安装nginx
yum install nginx -y

5.启动nginx和开机自启nginx设置
systemctl  start nginx 
systemctl enable  nginx

6.查看安装的nginx  版本

nginx  -v