Linux 基本运维优化和 Nginx 缓存搭建

Linux 基本运维优化

  • SSH 端口修改,关闭密码登陆,改私钥登陆
  • Iptables 防火墙配置优化
  • 最大监控文件个数
  • 最大文件打开数量
  • 安装其他软件

Nginx 优化配置

  • SSL 证书导入
  • 配置优化
  • 日志存放天数 logrotate.d

user nginx;
worker_processes 2;
worker_rlimit_nofile 60000;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
worker_connections 102400;
}

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;
keepalive_timeout 300s;
include /etc/nginx/conf.d/*.conf;
server_tokens off;
server_names_hash_max_size 512;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
gzip on;
gzip_disable msie6;
gzip_min_length 1k;
gzip_comp_level 5;
gzip_buffers 4 16k;
gzip_http_version 1.1;
gzip_proxied any;
gzip_vary on;
gzip_types text/plain text/css text/xml text/javascript text/x-component application/json application/javascript application/xml application/xhtml+xml application/xml+rss application/rss+xml application/atom+xml application/x-font-ttf application/x-web-app-manifest+json font/opentype image/svg+xml image/x-icon;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 256k;
client_max_body_size 10m;
proxy_connect_timeout 10;
proxy_read_timeout 180;
proxy_send_timeout 30;
proxy_buffer_size 32k;
proxy_buffers 8 64k;
proxy_busy_buffers_size 256k;
proxy_temp_file_write_size 256k;
proxy_temp_path /data/cache/temp;
proxy_cache_path /data/cache/cache_files levels=1:2 keys_zone=cache_one:100m inactive=1d max_size=10g;
}

Nginx 配置

location ~* \.(js|css|jpg|png|gif|txt)$ {
proxy_pass https://www.baidu.com;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_redirect off;
proxy_cache cache_one;
proxy_cache_key $host$uri$is_args$args;
proxy_cache_valid 200 302 301 1d;
proxy_cache_valid any 1m;
expires 6h;
add_header X-Cache $upstream_cache_status;
}

location ~* \.(shtml|html)$ {
if ($http_user_agent ~* ‘(Android|webOS|iPhone|iPod|Mobile)’) {
rewrite ^.+ https://m.baidu.com$uri permanent;
}

proxy_pass https://www.baidu.com;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}

location / {
proxy_pass https://m.baidu.com;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_cache cache_one;
proxy_cache_valid 200 302 301 1d;
proxy_cache_valid any 1m;
expires 6h;
add_header X-Cache-Status $upstream_cache_status;
}

location ~ \.php$ {
proxy_pass https://m.baidu.com;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}

 

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