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#杂七杂八常识

安装nginx：

如果要安装nginx，不同发行版，会有细微区别：

1、Debian或Ubuntu

# 更新软件包索引
sudo apt update

# 安装 Nginx
sudo apt install nginx

# 启动并设置开机自启
sudo systemctl start nginx
sudo systemctl enable nginx

2、RHEL / CentOS / Rocky Linux / AlmaLinux（基于 yum 或 dnf） CentOS 7 / RHEL 7（使用 yum）

# 安装 EPEL 仓库（如果需要）
sudo yum install epel-release

# 安装 Nginx
sudo yum install nginx

# 启动并设置开机自启
sudo systemctl start nginx
sudo systemctl enable nginx

3、Fedora（基于 dnf）

# 安装 Nginx
sudo dnf install nginx

# 启动并设置开机自启
sudo systemctl start nginx
sudo systemctl enable nginx

4、Arch Linux / Manjaro（基于 pacman）

# 安装 Nginx
sudo pacman -S nginx

# 启动并设置开机自启
sudo systemctl start nginx
sudo systemctl enable nginx

5、openSUSE（基于 zypper）

# 安装 Nginx
sudo zypper install nginx

# 启动并设置开机自启
sudo systemctl start nginx
sudo systemctl enable nginx

6、Alpine Linux（基于 apk）

# 安装 Nginx
sudo apk add nginx

# 启动并设置开机自启
sudo rc-service nginx start
sudo rc-update add nginx

通过这个指令，可以判断，nginx是否安装成功

systemctl status nginx

查看nginx版本，同时测试配置文件，是否正常可以跑通，相关指令：

nginx -t

运行结果：

然后，就可以开始，修改nginx的相关配置了，跳转到对应目录，然后nano看一下，对应的配置文件

cd /etc/nginx/
nano nginx.conf

配合rz 和 sz工具，可以把配置文件nginx.conf拷贝到，电脑本地；然后，开始修改配置：同时存在多个，端口转发配置，都是以server包裹起来的，结构体，举例说明：

完整配置参考：

# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 4096;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    server {
        listen 81;
        server_name _;

        location / {
            root /usr/local/games/errorwebview/dist;
            index index.html index.htm;
            try_files $uri $uri/ /index.html;
        }

        location /api/ {
            proxy_pass http://127.0.0.1:8080/api/;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }

        error_page 404 /404.html;
        location = /404.html {
            internal;
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
            internal;
        }
    }

        # 新增的 server 块，监听 82 端口并路由到 3000 端口
    server {
        listen 82;
        server_name _;

        location / {
            proxy_pass http://127.0.0.1:3000/;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }
	
    # 主服务配置（80端口）
    server {
        listen       80;
        server_name  _;

        # 处理/report到8080端口
        location = /report {
            proxy_pass http://127.0.0.1:8080;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        # 处理/collect到83端口
        location = /collect {
            proxy_pass http://127.0.0.1:83;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        # 其他请求处理规则（可选）
        location / {
            # 默认处理规则，例如返回404或转发到其他服务
            return 404;
        }

        # 错误页面配置
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   /usr/share/nginx/html;
        }
    }

# Settings for a TLS enabled server.
#
#    server {
#        listen       443 ssl http2;
#        listen       [::]:443 ssl http2;
#        server_name  _;
#        root         /usr/share/nginx/html;
#
#        ssl_certificate "/etc/pki/nginx/server.crt";
#        ssl_certificate_key "/etc/pki/nginx/private/server.key";
#        ssl_session_cache shared:SSL:1m;
#        ssl_session_timeout  10m;
#        ssl_ciphers PROFILE=SYSTEM;
#        ssl_prefer_server_ciphers on;
#
#        # Load configuration files for the default server block.
#        include /etc/nginx/default.d/*.conf;
#
#        error_page 404 /404.html;
#            location = /40x.html {
#        }
#
#        error_page 500 502 503 504 /50x.html;
#            location = /50x.html {
#        }
#    }

}

需要注意的是，80是默认端口，这里是把俩服务，分别转发到，对应的端口，例如8080和83

修改完成后，也再通过rz 和 sz把配置文件，提交到linux服务器即可，如果注意的是，如果同文件夹，已有同名文件，是需要先把同名文件，改掉的，不然可能会出现，提交失败的情况，直接使用mv修改备份即可

mv nginx.conf nginx.conf.bak

然后，重启一下nginx

systemctl reload nginx

需要注意的是，原本80端口的服务，就需要改成8080了，不然会出现异常，因为nginx端口转发成功了

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安装nginx：

完整配置参考：

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