系统基础环境：virtualbox下CentOS-Minimal-1810

1安装方法一：源码编译安装

基础环境 centos7.6 mini

目录：/usr/local/src

1、安装前准备（根据各软件最新版本信息更改url）

下载nginx、openssl、zlib、pcre

cd /usr/local/src

wget http://nginx.org/download/nginx-1.10.2.tar.gz
wget http://www.openssl.org/source/openssl-fips-2.0.10.tar.gz
wget http://zlib.net/zlib-1.2.11.tar.gz
wget https://ftp.pcre.org/pub/pcre/pcre-8.43.tar.gz

2安装（顺序不要错）

安装make

yum -y install gcc automake autoconf libtool make

安装gcc编译环境

# yum install gcc-c++

安装pcre

# tar zxvf pcre-8.43.tar.gz

# cd pcre-8.40

# ./configure && make && make install

安装openssl：

tar zxvf openssl-fips-2.0.10.tar.gz
cd openssl-fips-2.0.10
 ./config && make && make install

安装zlib

tar zxvf zlib-1.2.11.tar.gz
cd zlib-1.2.11
./configure && make && make install

安装nginx

tar zxvf nginx-1.10.2.tar.gz

cd nginx-1.10.2

./configure && make && make install

这样安装完成后，nginx的路径为/usr/local/nginx/sbin/nginx

2安装方法二：

查看CentOS的版本

cat /etc/redhat-release

添加资源库

在 CentOS 系统上安装 Nginx ，得先去添加一个资源库：

vim /etc/yum.repos.d/nginx.repo

  [nginx]

  name=nginx repo

  baseurl=http://nginx.org/packages/centos/$releasever/$basearch/

  gpgcheck=0

  enabled=1

安装nginx

yum -y install nginx

使用命令

systemctl stop nginx.service  #停止nginx服务
systemctl start nginx.service  #打开nginx服务
systemctl restart nginx.service  #重启nginx服务
systemctl status nginx.service  #查看nginx服务状态

验证nginx安装成果：

开启nginx，

cd /usr/local/nginx/sbin
./nginx
或
systemctl start nginx.service
验证：
curl http://localhost

应该能输出Welcome to nginx的html文件，说明安装启动成功。

开启外部访问

centos7默认开启了防火墙模块firewalld，可以查看一下是否开启

[root@localhost ~]# systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: active (running) since Mon 2019-03-18 10:12:46 EDT; 34s ago
     Docs: man:firewalld(1)
 Main PID: 3618 (firewalld)
   CGroup: /system.slice/firewalld.service
           └─3618 /usr/bin/python -Es /usr/sbin/firewalld --nofork...

Mar 18 10:12:46 localhost.localdomain systemd[1]: Starting firewal...
Mar 18 10:12:46 localhost.localdomain systemd[1]: Started firewall...
Hint: Some lines were ellipsized, use -l to show in full.

或者：

[root@localhost ~]# firewall-cmd --state
running

关闭firewalld，然后在虚拟机外可以访问

systemctl stop firewalld #关闭
systemctl start firewalld #打开
systemctl restart firewalld #重启
systemctl disable firewalld #关闭开机启动
systemctl enable firewalld #开机启动

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