基本centos7 系统已自带logrotate，其他系统并未测试
#新建nginx 日志任务
vi /etc/logrotate.d/nginx
/usr/local/nginx/logs/access.log {
daily
rotate 7
missingok
dateext
nocompress
delaycompress
notifempty
sharedscripts
postrotate
[ -e /usr/local/nginx/logs/nginx.pid ] && kill -USR1 `cat /usr/local/nginx/logs/nginx.pid`
endscript
}
#启动任务
logrotate /etc/logrotate.d/nginx
#强制手动执行，是否可以生成日志文件
logrotate -vf /etc/logrotate.d/nginx
#新建定时任务，每天 23:55执行一次
crontab -e
55 23 * * * /usr/sbin/logrotate -vf /etc/logrotate.d/nginx
退出保存
