清空文件內容

find /data/mysql/ -name mysql-error.log -exec cp /dev/null {} \;

echo "0 5 * * * find /data/mysql/ -name mysql.log -exec cp /dev/null {} \;" >> /var/spool/cron/root
echo "0 5 */2 * * find /data/mysql/ -name mysql.log -exec cp /dev/null {} \;" >> /var/spool/cron/root