Nginx 安装

官方下载地址 http://nginx.org/download/ 查看最新稳定版本

安装编译工具及库文件

yum -y install make zlib zlib-devel gcc-c++ libtool openssl openssl-devel

安装 PCRE

PCRE 作用是让 Nginx 支持 Rewrite 功能。
官方下载地址 https://sourceforge.net/projects/pcre/files/pcre/

进入目录
cd /usr/src/

下载
wget https://nchc.dl.sourceforge.net/project/pcre/pcre/8.45/pcre-8.45.tar.gz

解压安装包
tar zxvf pcre-8.45.tar.gz

进入目录
cd pcre-8.45

编译安装
./configure
make && make install

查看pcre版本
pcre-config --version

安装nginx

进入目录
cd /usr/local/src/

下载
wget https://nginx.org/download/nginx-1.20.2.tar.gz

解压
tar zxvf nginx-1.20.2.tar.gz

进入安装包目录
cd nginx-1.20.2

编译安装

./configure --prefix=/usr/local/nginx

注：PREFIX= 这个关键字的作用是编译的时候用于指定程序存放的路径。假设不添加该关键字Linux会将可执行文件存放在/usr/local/bin目录，

make
make install

查看nginx版本
/usr/local/nginx/sbin/nginx -v

Nginx 配置

创建 Nginx 运行使用的用户 www
/usr/sbin/groupadd www
/usr/sbin/useradd -g www www

配置nginx.conf ，将/usr/local/nginx/conf/nginx.conf替换为以下内容

user www www;
worker_processes 2; #设置值和CPU核心数一致
error_log /usr/local/nginx/logs/nginx_error.log crit; #日志位置和日志级别
pid /usr/local/nginx/nginx.pid;
#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 65535;
events
{
  use epoll;
  worker_connections 65535;
}
http
{
  include mime.types;
  default_type application/octet-stream;
  log_format main  '$remote_addr - $remote_user [$time_local] "$request" '
               '$status $body_bytes_sent "$http_referer" '
               '"$http_user_agent" $http_x_forwarded_for';
  
#charset gb2312;
     
  server_names_hash_bucket_size 128;
  client_header_buffer_size 32k;
  large_client_header_buffers 4 32k;
  client_max_body_size 8m;
     
  sendfile on;
  tcp_nopush on;
  keepalive_timeout 60;
  tcp_nodelay on;
  fastcgi_connect_timeout 300;
  fastcgi_send_timeout 300;
  fastcgi_read_timeout 300;
  fastcgi_buffer_size 64k;
  fastcgi_buffers 4 64k;
  fastcgi_busy_buffers_size 128k;
  fastcgi_temp_file_write_size 128k;
  gzip on; 
  gzip_min_length 1k;
  gzip_buffers 4 16k;
  gzip_http_version 1.0;
  gzip_comp_level 2;
  gzip_types text/plain application/x-javascript text/css application/xml;
  gzip_vary on;
 
  #limit_zone crawler $binary_remote_addr 10m;
 #下面是server虚拟主机的配置
 server
  {
    listen 80;#监听端口
    server_name localhost;#域名
    index index.html index.htm index.php;
    root /usr/local/nginx/html;#站点目录
      location ~ .*\.(php|php5)?$
    {
      #fastcgi_pass unix:/tmp/php-cgi.sock;
      fastcgi_pass 127.0.0.1:9000;
      fastcgi_index index.php;
      include fastcgi.conf;
    }
    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$
    {
      expires 30d;
  # access_log off;
    }
    location ~ .*\.(js|css)?$
    {
      expires 15d;
   # access_log off;
    }
    access_log off;
  }
}

检查配置文件nginx.conf的正确性命令
/usr/local/nginx/sbin/nginx -t

启动 Nginx

Nginx 启动命令
/usr/local/nginx/sbin/nginx

访问IP或域名，显示如下成功

Nginx 其他命令

/usr/local/nginx/sbin/nginx -s reload # 重新载入配置文件
/usr/local/nginx/sbin/nginx -s reopen # 重启 Nginx
/usr/local/nginx/sbin/nginx -s stop # 停止 Nginx