centos直接yum安装nginx（centos yum 安装）

CentOS 6和CentOS 7，命令和版本都有区别，下方会有区别

1，处理安装源

//centos6

rpm -ivh http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm

//centos7

rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm

2，查看yum的nginx信息

yum info nginx

3,安装

[root@server ~]# yum install nginx

--如果出现依赖库错误，可使用下方命令，针对性地添加

yum install gcc-c++

yum install pcre

yum install pcre-devel

yum install zlib

yum install zlib-devel

yum install openssl

yum install openssl-devel

4,启动/重启

centos6启动：

[root@server ~]# service nginx start

//重启
//1,查找服务
ps -ef |grep nginx
//2,关闭进程--需要关闭两个
kill -9 进程号（数字）

centos7启动：

//    启动nginx
systemctl start nginx.service
//    结束nginx
systemctl stop nginx.service
//     重启nginx
systemctl restart nginx.service

重新加载配置文件：

nginx -s reload

注意：centos6此命令大部分时候无法保证能够有效加载，centos7可以正常加载

6，验证。进入浏览器，输入http://192.168.0.161/测试，如果看到

Welcome to nginx!

If you see this page, the nginx web server is successfully installed and working. Further configuration is required.

For online documentation and support please refer to nginx.org.

Commercial support is available at nginx.com.

Thank you for using nginx.

恭喜你，你成功了！

如果不能连接到nginx，原因很多，但是可以先检查

1,nginx服务是否真的起来了；

ps -ef | grep nginx

2,linux服务器防火墙是否打开