vim /usr/local/nginx/sbin/log.conf //写入以下内容
rotate 48
nocompress
/home/logs/access.log {
sharedscripts
create 0644 www www
postrotate
/bin/kill -USR1 `cat /usr/local/nginx/var/nginx.pid`
LDATE=`date +%Y%m%d%H --date="-1 hour"`
/bin/mv /home/logs/access.log.1 /home/logs/${LDATE}-access_log
endscript
}