How to use clock to run program on time?

Question

For example:

I want to set when 6:00 am it plays 1.mp3 (if 2.mp3 is playing then close 2.mp3).

When 18:00 it plays 2.mp3 to replace 1.mp3 (replace means close 1.mp3 and play 2.mp3).

Everyday was the above sequence.

How to do it?

I try to edit crontab's conf: 51 22 * * * /home/sam/mp3.sh and I restart cron service by 'sudo service cron restart'.Why it also couldn't run? — sam, Oct 10 '11 at 14:52

score 1 · Accepted Answer · answered Oct 07 '11 at 16:48

Alarm Clock (alarm-clock-applet) in the Ubuntu Software Center provides an easy way to execute certain commands at certain times on a repeating schedule.

I imagine your commands executed at each alarm would look something like this: banshee --hide --stop; banshee --hide --play <Your .mp3 filename and path here>

How to use clock to run program on time?

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