PHP - MySQL - 每日备份数据库

Question

I have developed an agenda which works (server-side) with PHP and MySQL. The last thing I need to do is to make an authomatic daily backup of the database.

This is what I have thought may be the easiest: Write a php script which once every 24hs saves a file(Whose name would be a timestamp) in certain folder in the server. Combining this with time machine or some other backup software to backup this folder into an external disk should be enough.

So now, the questions are: How do I make a php script to run automatically once per day? How do I save a file with sql backup from a php script?(Similar to phpMyAdmin export as sql)

Thanks!

Answer 1

If you are running apache server:

sudo nano /etc/crontab

Add below line:

0 0 * * * root mysqldump -u root -proot db_name > /home/username/db_backup/$( date +"\%Y_\%m_\%d" ).sql

0 0 * * * => every 24 hours