Linux環境でのNginxのインストールとその使用

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まず、CentOSのバージョンを確認してください


cat /etc/redhat-release

次に、リソースライブラリを追加します。

CentOSシステムにNginxをインストールするには、まずリポジトリを追加する必要があります:


vim /etc/yum.repos.d/nginx.repo
[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=0
enabled=1

第三に、nginxをインストールする


yum -y install nginx

第四に、nginxの設定ファイルが正しいかどうかをテストする


nginx -t

次のように印刷します。

Nginx:設定ファイル/etc/nginx/nginx.confの構文はokです
Nginx:設定ファイル/etc/nginx/nginx.confテストが成功しました

第5に、CentOS7.0 + nginxの実装が停止、起動、再起動


systemctl stop nginx.service  
systemctl start nginx.service
systemctl restart nginx.service
systemctl status nginx.service

起動から起動する:


systemctl enable nginx.service

起動からの起動をキャンセルする:


systemctl disable nginx.service

第六、nginx.confの設定例

私の設定:


user nginx;
worker_processes 4;
error_log /var/log/nginx/error.log warn;
pid    /var/run/nginx.pid;
events {
worker_connections 1024;
}
http {
include    /etc/nginx/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 /var/log/nginx/access.log main;
sendfile    on;
#tcp_nopush   on;
keepalive_timeout 65;
#gzip on;
include /etc/nginx/conf.d/*.conf;
#设定负载均衡的服务器列表
upstream pay_server {
ip_hash;
server 10.74.248.01:8088 max_fails=2 fail_timeout=2;
server 10.74.248.02:8088 max_fails=2 fail_timeout=2;
}
upstream print_server {
ip_hash;
server 10.74.248.03:2001 max_fails=2 fail_timeout=2;
server 10.74.248.04:2001 max_fails=2 fail_timeout=2;
}
upstream accss_door_server {
ip_hash;
server 10.74.248.05:2002 max_fails=2 fail_timeout=2;
server 10.74.248.06:2002 max_fails=2 fail_timeout=2;
}
server {
listen 80;
server_name wab.kupu.ccoop.com.cn;
location /invengo {
proxy_pass http://pay_server;
index index.jsp index.html index.htm;
}
location /invengo/epc {
proxy_pass http://print_server;
index index.jsp index.html index.htm;
}
location /invengo/print {
proxy_pass http://print_server;
index index.jsp index.html index.htm;
}
location /checkout {
proxy_pass http://accss_door_server;
index index.jsp index.html index.htm;
}
location /asset {
proxy_pass http://accss_door_server;
index index.jsp index.html index.htm;
}
}

よく使われるnginx.confの設定


user www www;
worker_processes 2;
error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
pid    logs/nginx.pid;
events {
use epoll;
worker_connections 2048;
}
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 65;
# gzip压缩功能设置
gzip on;
gzip_min_length 1k;
gzip_buffers  4 16k;
gzip_http_version 1.0;
gzip_comp_level 6;
gzip_types text/html text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;
gzip_vary on;
# http_proxy 设置
client_max_body_size  10m;
client_body_buffer_size  128k;
proxy_connect_timeout  75;
proxy_send_timeout  75;
proxy_read_timeout  75;
proxy_buffer_size  4k;
proxy_buffers  4 32k;
proxy_busy_buffers_size  64k;
proxy_temp_file_write_size 64k;
proxy_temp_path  /usr/local/nginx/proxy_temp 1 2;
# 设定负载均衡后台服务器列表 
upstream backend { 
#ip_hash; 
server  192.168.10.100:8080 max_fails=2 fail_timeout=30s ; 
server  192.168.10.101:8080 max_fails=2 fail_timeout=30s ; 
}
# 很重要的虚拟主机配置
server {
listen    80;
server_name itoatest.example.com;
root  /apps/oaapp;
charset utf-8;
access_log logs/host.access.log main;
#对 / 所有做负载均衡+反向代理
location / {
root  /apps/oaapp;
index index.jsp index.html index.htm;
proxy_pass    http://backend; 
proxy_redirect off;
# 后端的Web服务器可以通过X-Forwarded-For获取用户真实IP
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr; 
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
}
#静态文件,nginx自己处理,不去backend请求tomcat
location ~* /download/ { 
root /apps/oa/fs; 
}
location ~ .*\.(gif|jpg|jpeg|bmp|png|ico|txt|js|css)$  
{  
root /apps/oaapp;  
expires   7d; 
}
location /nginx_status {
stub_status on;
access_log off;
allow 192.168.10.0/24;
deny all;
}
location ~ ^/(WEB-INF)/ {  
deny all;  
}
#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;
}
}
## 其它虚拟主机,server 指令开始
}

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