Hello Gary,

On Wed, 17 Nov 2021 11:15:52 +0000 Gary Stainburn gary.stainburn@ringways.co.uk wrote:

Hi all,

This is crazy but I can't see the answer.  In my system crontab I've added a job to stop the music system at 10:59 on the 11th November, and restart it at 11:02 on the 11th November

# m    h    dom    mon  dow    user    command   59  10     *     11    *     root     /bin/squeezy -all -off >>/var/log/newplaylist 2>&1   02  11     *     11    *     root     /root/bin/newplaylist >/var/log/newplaylist 2>&1

However, it's doing this every day.  Can anyone see what's wrong?

# m    h    dom    mon  dow    user    command   59  10     *  11 ..

^

This * makes it run for all days of the 11th month. Should you use, instead:   59  10    11  11 ..

Regards,

On 11/17/21 12:15, Gary Stainburn wrote:

Hi all,

This is crazy but I can't see the answer.  In my system crontab I've added a job to stop the music system at 10:59 on the 11th November, and restart it at 11:02 on the 11th November

# m    h    dom    mon  dow    user    command   59  10     *     11    *     root     /bin/squeezy -all -off

...

...

/var/log/newplaylist 2>&1

02  11     *     11    *     root     /root/bin/newplaylist

...

/var/log/newplaylist 2>&1

However, it's doing this every day.  Can anyone see what's wrong?

Instead of crontabs, maybe check systemd timers.

https://fedoramagazine.org/systemd-timers-for-scheduling-tasks/ (CentOS - at least upto 7 - doesnt support user units, admin-managed system units are in /etc/systemd/system).

I personally prefer systemd timers over crontabs.

- Thomas