CentOS 7 Nginx 默认配置

在centos 7 下,用nginx official repo安装的nginx stable版本的config 默认配置如下:

user nginx;
worker_processes 1;

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;
}

但是很明显, 这个配置过于简单了,结合军哥的LNMP,我们可以稍微改动一下config:

user nginx;

worker_processes auto;
worker_cpu_affinity auto;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 51200;

events {
use epoll;
worker_connections 51200;
multi_accept off;
accept_mutex off;
}


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

server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 50m;

sendfile on;
sendfile_max_chunk 512k;
tcp_nopush on;

keepalive_timeout 60;

tcp_nodelay on;


gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.1;
gzip_comp_level 2;
gzip_types text/plain application/javascript application/x-javascript text/javascript text/css application/xml application/xml+rss;
gzip_vary on;
gzip_proxied expired no-cache no-store private auth;
gzip_disable "MSIE [1-6]\.";

#limit_conn_zone $binary_remote_addr zone=perip:10m;
##If enable limit_conn_zone,add "limit_conn perip 10;" to server section.


server_tokens off;
access_log off;

server {

listen 80 default_server;
server_name _;
index index.html index.htm index.php;
root /usr/share/nginx/html;


}


include /etc/nginx/conf.d/*.conf;
}

在CentOS7上,nginx的启动是有systemd 来管理的,位置在/usr/lib/systemd/system/nginx.service

配置文件为:

[Unit]
Description=nginx - high performance web server
Documentation=http://nginx.org/en/docs/
After=network-online.target remote-fs.target nss-lookup.target
Wants=network-online.target

[Service]
Type=forking
PIDFile=/var/run/nginx.pid
ExecStart=/usr/sbin/nginx -c /etc/nginx/nginx.conf
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s TERM $MAINPID

[Install]
WantedBy=multi-user.target

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