linux系统下安装nginx

1. yum -y install gcc zlib zlib-devel pcre-devel openssl openssl-devel

    

2. (1)：使用yum安装nginx，安装nginx库

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

   
    (2)：使用下面命令安装nginx

   yum -y install nginx

   如果出现下方错误，修改/etc/yum.repos.d/nginx.repo文件把6改成7，然后再次yum -y install nginx：

1.  

2.  (3)：启动nginx

   service nginx start   #centos6
   或
   systemctl start nginx.service   #centos7

   (4):开启80端口

/sbin/iptables -I INPUT -p tcp --dport 80 -j ACCEPT

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