Re: where are the crontab files in Trixie?

From	Gary Dale <gary@extremeground.com>
Newsgroups	linux.debian.user
Subject	Re: where are the crontab files in Trixie?
Date	2024-02-27 20:20 +0100
Message-ID	<Icb9D-d2Jf-7@gated-at.bofh.it> (permalink)
References	<Ic7pn-d0tg-5@gated-at.bofh.it> <Ic7z3-d0wy-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

On 2024-02-27 10:25, Kushal Kumaran wrote:
> On Tue, Feb 27 2024 at 10:15:59 AM, Gary Dale <gary@extremeground.com> wrote:
>> I'm running Debian/Trixie on an AMD64 system. I have an old wifi
>> adapter that Linux has problems with that works once I run:
>>
>> /usr/sbin/modprobe brcmfmac
>> echo 13b1 0bdc > /sys/bus/usb/drivers/brcmfmac/new_id
>>
>> However when I add those lines to the root's crontab using # crontab -e as
>>
>> @reboot /usr/sbin/modprobe brcmfmac
>> @reboot echo 13b1 0bdc > /sys/bus/usb/drivers/brcmfmac/new_id
>>
>> the second line fails. I get an e-mail stating "/bin/sh: 1: cannot
>> create /sys/bus/usb/drivers/brcmfmac/new_id: Directory nonexistent"
>>
>> I'm not sure if the modprobe is working or if the module is being
>> loaded without it. It's likely that debian detects the need for the
>> module and loads it.
>>
> Is it possible that the command is being run before the module is
> loaded.  Consider putting both into a single command, perhaps by writing
> a script that does both things.
>
>> Anyway, that got me down the rabbit hole to try to find where the
>> crontab file is.
>>
>>   ls -l /root/cron*
>> ls: cannot access '/root/cron*': No such file or directory
>>
>> also
>>
>> # whereis crontab
>> crontab: /usr/bin/crontab /etc/crontab
>> /usr/share/man/man1/crontab.1.gz /usr/share/man/man5/crontab.5.gz
>>
>> so it's not in the location that you'd expect. Nor can I find it in
>> /etc/. The various cron files there don't contain the lines I;m
>> looking for.
>>
> Editing/creating crontab files using "crontab -e" creates it in
> /var/spool/cron/crontabs.
>
>> <snipped crontab content>
>>
>> Can anyone explain how Trixie is handling crontabs now?
> This behavior has existed forever.  I'm on bookworm, though, so no idea
> if anything is changing in trixie.
The debian wiki suggests that the handling of cron/anacron is evolving.

Thread

where are the crontab files in Trixie? Gary Dale <gary@extremeground.com> - 2024-02-27 16:20 +0100
  Re: where are the crontab files in Trixie? The Wanderer <wanderer@fastmail.fm> - 2024-02-27 16:30 +0100
    Re: where are the crontab files in Trixie? Gary Dale <gary@extremeground.com> - 2024-02-27 20:20 +0100
      Re: where are the crontab files in Trixie? Greg Wooledge <greg@wooledge.org> - 2024-02-28 04:20 +0100
      Re: where are the crontab files in Trixie? The Wanderer <wanderer@fastmail.fm> - 2024-02-28 04:20 +0100
  Re: where are the crontab files in Trixie? Kushal Kumaran <kushal@locationd.net> - 2024-02-27 16:30 +0100
    Re: where are the crontab files in Trixie? Gary Dale <gary@extremeground.com> - 2024-02-27 20:20 +0100
      Re: where are the crontab files in Trixie? Jeffrey Walton <noloader@gmail.com> - 2024-02-27 20:20 +0100
        Re: where are the crontab files in Trixie? Gary Dale <gary@extremeground.com> - 2024-02-27 20:40 +0100
          Re: where are the crontab files in Trixie? Gremlin <scott-andrews@columbus.rr.com> - 2024-02-27 22:10 +0100
        Re: where are the crontab files in Trixie? Charles Curley <charlescurley@charlescurley.com> - 2024-02-27 21:00 +0100
          Re: where are the crontab files in Trixie? Greg Wooledge <greg@wooledge.org> - 2024-02-27 21:00 +0100
            Re: where are the crontab files in Trixie? Gremlin <scott-andrews@columbus.rr.com> - 2024-02-27 22:20 +0100
            Re: where are the crontab files in Trixie? Andy Smith <andy@strugglers.net> - 2024-02-28 16:10 +0100
  Re: where are the crontab files in Trixie? Greg Wooledge <greg@wooledge.org> - 2024-02-27 16:40 +0100
    Re: where are the crontab files in Trixie? Gary Dale <gary@extremeground.com> - 2024-02-27 20:20 +0100
  Re: where are the crontab files in Trixie? Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-02-27 16:40 +0100
    Re: where are the crontab files in Trixie? David Wright <deblis@lionunicorn.co.uk> - 2024-02-28 04:40 +0100
      Re: where are the crontab files in Trixie? Max Nikulin <manikulin@gmail.com> - 2024-02-28 16:40 +0100
        Re: where are the crontab files in Trixie? Nicolas George <george@nsup.org> - 2024-02-28 17:00 +0100
        Re: where are the crontab files in Trixie? David Wright <deblis@lionunicorn.co.uk> - 2024-02-29 05:40 +0100
          Re: where are the crontab files in Trixie? Max Nikulin <manikulin@gmail.com> - 2024-02-29 16:20 +0100

csiph-web