• restart crontab

    From Bitfox@21:1/5 to All on Sat Dec 7 00:30:01 2024
    How can I restart crontab daemon?
    I tried "service crontab restart" and "dpkg --list |grep crontab", they
    have no help.

    Please help. thanks.

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  • From Greg Wooledge@21:1/5 to Bitfox on Sat Dec 7 00:50:02 2024
    On Sat, Dec 07, 2024 at 07:20:12 +0800, Bitfox wrote:
    How can I restart crontab daemon?
    I tried "service crontab restart" and "dpkg --list |grep crontab", they have no help.

    crontab(1) is the name of the command that you use, as a user, to
    display or alter your personal crontab.

    The daemon (service) that runs your crontab jobs, however, is usually
    named "cron". Or possibly "crond" on some systems.

    hobbit:~$ ps -ef | grep cron
    root 826 1 0 Dec05 ? 00:00:00 /usr/sbin/cron -f
    greg 57136 1769 0 18:44 pts/14 00:00:00 man 1 crontab
    greg 57161 1765 0 18:44 pts/13 00:00:00 grep cron

    Given that the daemon's name is "cron", the service name is probably
    similar. Let's just take a guess that it's the same:

    hobbit:~$ systemctl status cron
    ● cron.service - Regular background program processing daemon
    Loaded: loaded (/lib/systemd/system/cron.service; enabled; preset: enabled)
    Active: active (running) since Thu 2024-12-05 06:48:41 EST; 1 day 11h ago
    Docs: man:cron(8)
    Main PID: 826 (cron)
    Tasks: 1 (limit: 18737)
    Memory: 10.6M
    CPU: 2.202s
    CGroup: /system.slice/cron.service
    └─826 /usr/sbin/cron -f

    Warning: some journal files were not opened due to insufficient permissions.

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    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Bitfox@21:1/5 to Greg Wooledge on Sat Dec 7 01:00:01 2024
    On 2024-12-07 07:47, Greg Wooledge wrote:
    On Sat, Dec 07, 2024 at 07:20:12 +0800, Bitfox wrote:
    How can I restart crontab daemon?
    I tried "service crontab restart" and "dpkg --list |grep crontab",
    they have
    no help.

    crontab(1) is the name of the command that you use, as a user, to
    display or alter your personal crontab.

    The daemon (service) that runs your crontab jobs, however, is usually
    named "cron". Or possibly "crond" on some systems.

    hobbit:~$ ps -ef | grep cron
    root 826 1 0 Dec05 ? 00:00:00 /usr/sbin/cron -f
    greg 57136 1769 0 18:44 pts/14 00:00:00 man 1 crontab
    greg 57161 1765 0 18:44 pts/13 00:00:00 grep cron

    Given that the daemon's name is "cron", the service name is probably
    similar. Let's just take a guess that it's the same:


    Thanks Greg.

    Now it has been working after this command,
    sudo systemctl restart cron

    Regards.

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