linux下ngix日志自动翻滚

vi /etc/logrotate.d/nginx/var/log/nginx/*.log {  daily  missingok  compress  rotate 30  dateext  notifempty  sharedscripts  extension gz  postrotate    [! -f /var/log/nginx/nginx.pid ] || kill -USR1 `cat /var/log/nginx/nginx.pid`  endscript}?/etc/init.d/syslog restart