定时任务
0 0 * * * /usr/sbin/logrotate -f /etc/logrotate.d/nginx
/etc/logrotate.d/nginx文件
/letv/logs/nginx/api.pv.log /letv/logs/nginx/boss.pv.log{
daily
dateext
maxage 60
rotate 60
missingok
sharedscripts
postrotate
if [ -f /usr/local/nginx/logs/nginx.pid ]; then
kill -USR1 `cat /usr/local/nginx/logs/nginx.pid`
fi
endscript
}