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Nginx??????????

???????

??????????????Nginx??????????????????

1. ????????

??nginx?????????????

vim /usr/local/nginx/conf/nginx.conf
server_tokens off;

2. ??????

???????????????

curl -I http://192.168.71.20

?????????

?????????????Nginx???????????

1. ??????

??Nginx?????????????

vim /opt/nginx-1.12.0/src/core/nginx.h
#define NGINX_VERSION "1.1.1"          # ?????
#define NGINX_VER "IIS" NGINX_VERSION  # ???????

2. ??????

???????

cd /opt/nginx-1.12.0/./configure --prefix=/usr/local/nginx --user=nginx --group=nginx --with-http_stub_status_module
make && make install

3. ??????

??Nginx????????????????

systemctl restart nginx

????????

????????????????????

1. ??????

??nginx????????????

vim /usr/local/nginx/conf/nginx.conf
location ~ \.(gif|jpg|png|bmp|ico)$ {
    expires 1d;          # ???????1?
    access_log off;      # ??????
}

2. ??????

??????????????

curl -I http://192.168.71.20

??????

??????????????

1. ????????

?????????

vim /log.sh
#!/bin/bash
day=`date -d "-1 day" "+%F"`
logs_path="/var/log/nginx"
pid=`cat /usr/local/nginx/logs/nginx.pid`
[ -d $logs_path ] || mkdir -p $logs_path
mv /usr/local/nginx/logs/access.log ${logs_path}/kgc.com.access.log-$day
kill -USR1 $pid
find $logs_path -mtime +30 -exec rm -rf {} \;

2. ????

????????????

chmod +x log.sh
./log.sh

3. ??????

?? cron ???

crontab -e
0 0 * * * /root/log.sh

????????

??HTTP???????????????

1. ??????

??nginx????????????

vim /usr/local/nginx/conf/nginx.conf
keepalive_timeout 65 180;   # KeepAlive????
client_header_timeout 80;   # ?????
client_body_timeout 80;     # ?????

2. ????

• keepalive_timeout???KeepAlive???????????65??
• client_header_timeout???????????????80??
• client_body_timeout???????????????80??

???????

??Nginx????????????

1. ??CPU??

??????CPU???

cat /proc/cpuinfo | grep -c "physical id"

2. ??????

??nginx???????????

vim /usr/local/nginx/conf/nginx.conf
worker_processes 2;      # ??CPU???????
worker_cpu_affinity 01 10;  # ??????

3. ????

??????Nginx?

systemctl restart nginx

????????

??Gzip??????????

1. ??????

??nginx???????Gzip???

vim /usr/local/nginx/conf/nginx.conf
gzip on;           # ??Gzip??
gzip_min_length 1k;  # ????????
gzip_buffers 4 64k;  # ?????
gzip_http_version 1.1;  # ????
gzip_comp_level 6;    # ????
gzip_vary on;        # ??????

2. ??????

????????Nginx???????

cd /usr/local/nginx/html
cp gt.jpg /usr/local/nginx/html/
vim index.html

3. ??????

????????????

curl -I http://192.168.71.20

???????

???????????????????????

1. ????

??nginx?????????????

vim /usr/local/nginx/conf/nginx.conf
location ~* \.(jpg|gif|swf)$ {
    valid_referers *.kgc.com kgc.com;
    if ($invalid_referer) {
        rewrite ^/ http://www.kgc.com/error.png;
    }
}

2. ???????

??????????????????????????