Linux 安装Nginx 以及优雅的配置 nginx.conf

1、到Nginx官网下载相应版本的Nginx nginx-1.12.1.tar.gz

2、解压到　　/usr/local/nginx-1.12.1

3、建立软链 ln -s /usr/local/nginx-1.12.1/ /usr/local/nginx

4、进入/usr/local/nginx/conf目录

vim 打开nginx.conf

在http{

　　.......　

　　include inc/*.conf;
　　include include/*.conf;

}底部添加红色代码，

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内容如下：注意红色部分

#user nobody;
worker_processes 1;

#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;

#pid logs/nginx.pid;


events {
worker_connections 1024;
}


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"';

#access_log logs/access.log main;

sendfile on;
tcp_nopush on;

#keepalive_timeout 0;
keepalive_timeout 65;

#gzip on;

server {
listen 80;
server_name localhost;

#charset koi8-r;

#access_log logs/host.access.log main;

location / {
root html;
index index.html index.htm;
}

#error_page 404 /404.html;

# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}

# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}

# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}


# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;

# location / {
# root html;
# index index.html index.htm;
# }
#}


# HTTPS server
#
#server {
# listen 443 ssl;


# server_name localhost;

# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;

# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;

# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;

# location / {
# root html;
# index index.html index.htm;
# }
#}
include inc/*.conf;
include include/*.conf;
}

5、到 /usr/local/nginx/conf/ 目录下创建两个文件夹 Inc include

6、进入 Inc 添加你所需要的基本配置

　　fastcgi.conf

    ##fastcgi
    fastcgi_connect_timeout 30;
    fastcgi_send_timeout 60;
    fastcgi_read_timeout 60;
    fastcgi_buffer_size 128k;
    fastcgi_buffers 8 256k;
    fastcgi_busy_buffers_size 256k;
    fastcgi_temp_file_write_size 256k;
    fastcgi_intercept_errors on;

upstream php_backend  {
        server 127.0.0.1:1026;
}

　　gzip.conf

## Compression
    gzip                on;
    ##gzip_static         on;
    gzip_min_length     1024;
    gzip_buffers        16 8k;
    gzip_http_version   1.1;
    gzip_comp_level     9;
    gzip_types          text/plain text/css application/x-javascript application/x-amf text/xml application/xml application/rss+xml text/javascri
pt image/gif image/jpeg image/png image/tiff image/x-icon image/x-ms-bmp application/pdf application/x-shockwave-flash application/vnd.wap.xhtml+
xml;
    gzip_vary           on;

　　logs.conf

log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for" '
          '"$host" "$server_port" $request_time';

access_log  /home/logs/nginx/access_log  main;
error_log  /home/logs/nginx/error_log;

　　ssl.conf

#ssl                on;
#ssl_certificate        certs/myssl.crt;
#ssl_certificate_key        certs/myssl.key;
#ssl_ciphers            "HIGH:!aNULL:!MD5:!EXPORT56:!EXP";
## ssl_ciphers            "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RS
A-AES256-SHA:ECDHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DE
S-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
#ssl_protocols            TLSv1 TLSv1.1 TLSv1.2;
#ssl_prefer_server_ciphers    on;
#ssl_session_cache        shared:SSL:10m;
#ssl_session_timeout        5m;

7、进入 /usr/local/nginx/conf/include 进行代理配置

8、具体打单个proxy.conf

upstream www_xiaoga_cn {
    server 127.0.0.1:8100 max_fails=3 fail_timeout=30s;
    server 127.0.0.1:8200 max_fails=3 fail_timeout=30s;
    }
server {
        listen 80;
        server_name www.xiaoga.cn;
        access_log  /home/logs/nginx/www.xiaoga.cn/access_log main;
        error_log  /home/logs/nginx/www.xiaoga.cn/error_log;
        log_not_found on;
        location / {
                proxy_pass http://www_xiaoga_cn;
                proxy_set_header Host $host:$server_port;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Real-PORT $remote_port;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_connect_timeout 300;
            proxy_send_timeout 300;
            proxy_read_timeout 600;
            proxy_buffers 4 256k;
            proxy_busy_buffers_size 256k;
            proxy_temp_file_write_size 256k;
            proxy_next_upstream error timeout invalid_header http_502 http_503 http_504;
            proxy_max_temp_file_size 128m;
        }
}

==================================================

由于每一个proxy.conf都是大度的一个配置文件，不担心配置时出错而影响其他代理配置

9、启动两个Tomcat服务8100 8200

由于域名是假的需要配置host，host配置不多讲，自行百度

测试：

到此实现了一个简单的负载均衡，over！

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Linux 安装Nginx 以及优雅的配置 nginx.conf

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