On 4/7/22 11:53, olivares33561 via users wrote:
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------- Original Message -------
On Wednesday, April 6th, 2022 at 8:09 PM, Tim via users <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
On Tue, 2022-04-05 at 20:18 +0000, olivares33561 via users wrote:
How can I convert a crontab
#
[olivares@fedora Downloads]$ crontab -l
# min hour day-of-month month day-of-week command
# 0-59 0-23 1-31 1-12 0-6 0=sun 1=mon
#50 04 * * 1-5 ~/.xalarm >/dev/null 2>&1
#50 04 * * 0,6 ~/.salarm >/dev/null 2>&1
#59 09 * * 0,6 ~/.salarm >/dev/null 2>&1
#00 07 * * 1-5 ~/.xalarm >/dev/null 2>&1
42 08 * * 1-5 ~/.dalarm >/dev/null 2>&1
52 09 * * 1-5 ~/.dalarm >/dev/null 2>&1
40 10 * * 1-5 ~/.dalarm >/dev/null 2>&1
28 11 * * 1-5 ~/.dalarm >/dev/null 2>&1
16 12 * * 1-5 ~/.dalarm >/dev/null 2>&1
57 12 * * 1-5 ~/.dalarm >/dev/null 2>&1
40 14 * * 1-5 ~/.dalarm >/dev/null 2>&1
28 15 * * 1-5 ~/.dalarm >/dev/null 2>&1
17 16 * * 1-5 ~/.dalarm >/dev/null 2>&1
#30 16 * * 1-5 ~/.lalarm > /dev/null 2>&1
25 16 * * 1-5 /usr/sbin/poweroff >/dev/null 2>&1
#
to systemd timers? An easy idiot proof way. The .dalarm script
calls mplayer and plays from a playlist.
Tangentially, can you get mplayer to make sounds when it's not you
that runs it? i.e. A system user rather than a real user.
I have read https://opensource.com/article/20/7/systemd-timers
and https://www.maketecheasier.com/use-systemd-timers-as-cron-replacement/
but have not tried it out. Any help on this is appreciated.
You could look at this, too:
https://wiki.archlinux.org/title/Systemd/Timers
Archlinux docs often get good recommendations
NB: I've only just looked at this just now, I've only ever done the
odd crontab thing a few times. Each time I have to work it out.
--
uname -rsvp
Linux 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb 23 16:47:03 UTC 2022 x86_64
Boilerplate: All unexpected mail to my mailbox is automatically deleted.
I will only get to see the messages that are posted to the mailing list.
Thanks to all who have responded. I am trying it out, but I have it not working. I created a poweroff.service and poweroff.timer.
[olivares@fedora ~]$ cat /etc/systemd/system/poweroff.service
# /etc/systemd/system/poweroff.service
[Unit]
Description = Poweroff maschine at 16:20 PM Mo-Fri
[Service]
Type=oneshot
ExecStart=sudo systemctl poweroff
[olivares@fedora ~]$ cat /etc/systemd/system/poweroff.
poweroff.service poweroff.timer
[olivares@fedora ~]$ cat /etc/systemd/system/poweroff.timer
# /etc/systemd/system/poweroff.timer
[Unit]
Description=Poweroff maschine at 4:20 PM Mo-Fri
[Timer]
OnCalendar=Mon..Fri *-*-* 16:20:00
Persistent=true
[Install]
WantedBy=timers.target
[olivares@fedora ~]$
and I test it and it did not work. (tested shutdown at 8:20 AM, have changed it to 16:20:00 which is 4:20 pm) What do I need to add?
I had /usr/sbin/poweroff in a crontab, and it too failed. I get the following messages for attempting to debug.
</snip>
1) systemctl requires a command such as "start"
2) the poweroff.service is calling itself in the ExecStart line.
3) I think sudo shouldn't be necessary since poweroff.service is defined
as a system service which already runs as root.
4) there is already a poweroff.target; I don't know if that presents a
problem/conflict.
5) you might try "/sbin/poweroff -p" as the ExecStart argument
Looks like you're on the right path. Good luck!
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