Appunti cPanel: creare e cancellare un Cron Job

I Cron Jobs consentono di eseguire operazioni pianificate in orari specifici. Per creare un nuovo cron job eseguire le seguenti operazioni:

  1. nel cPanel nella scheda Advanced (l’ultima in basso) cliccare l’iconcina Cron Jobs
  2. controlla che l’indirizzo email sia corretto, in caso contrario inseriscine uno cliccando poi sul bottone Update Email
  3. Seleziona i settaggi più comuni per il tuo Cron Job dal menu a tendina Common Settings
  4. In alternativa è possibile regolare le impostazioni temporali individualmente: minuto, ora, giorno del mese, mese e giorno della settimana possono essere modificati singolarmente per raggiungere qualsiasi momento temporale.
  5. Nel campo a destra di Command digitare il nome del tipo di file seguito da uno spazio e dal percorso al file da eseguire.
  6. Clicca il bottone Add New Cron Job

Per cancellare o modificare i Cron Job:

  1. Cliccare Cron Jobs nella scheda Advanced di cPanel
  2. In basso, nella sezione Current Cron Jobs vengono elencati tutti i Cron Job attivi
  3. trova il Cron Job che desideri modificare e clicca su Edit o Delete nella colonna Actions



One thought on “Appunti cPanel: creare e cancellare un Cron Job

  1. windupturbin

    crontab(1) – Linux man page
    Name

    crontab – maintain crontab files for individual users (ISC Cron V4.1)
    Synopsis

    crontab [-u user] file
    crontab [-u user] [-l | -r | -e] [-i] [-s]
    Description

    Crontab is the program used to install, deinstall or list the tables used to drive the cron(8) daemon in ISC Cron. Each user can have their own crontab, and though these are files in /var/spool/ , they are not intended to be edited directly. For SELinux in mls mode can be even more crontabs – for each range. For more see selinux(8).

    If the cron.allow file exists, then you must be listed therein in order to be allowed to use this command. If the cron.allow file does not exist but the cron.deny file does exist, then you must not be listed in the cron.deny file in order to use this command. If neither of these files exists, only the super user will be allowed to use this command.
    Options

    -u

    It specifies the name of the user whose crontab is to be tweaked. If this option is not given, crontab examines “your” crontab, i.e., the crontab of the person executing the command. Note that su(8) can confuse crontab and that if you are running inside of su(8) you should always use the -u option for safety’s sake. The first form of this command is used to install a new crontab from some named file or standard input if the pseudo-filename “-” is given.

    -l

    The current crontab will be displayed on standard output.

    -r

    The current crontab will be be removed.

    -e

    This option is used to edit the current crontab using the editor specified by the VISUAL or EDITOR environment variables. After you exit from the editor, the modified crontab will be installed automatically.

    -i

    This option modifies the -r option to prompt the user for a ‘y/Y’ response before actually removing the crontab.

    -s

    It will append the current SELinux security context string as an MLS_LEVEL setting to the crontab file before editing / replacement occurs – see the documentation of MLS_LEVEL in crontab(5).

    See Also

    crontab(5), cron(8)
    Files

    /etc/cron.allow
    /etc/cron.deny

    Standards

    The crontab command conforms to IEEE Std1003.2-1992 (”POSIX”). This new command syntax differs from previous versions of Vixie Cron, as well as from the classic SVR3 syntax.
    Diagnostics

    A fairly informative usage message appears if you run it with a bad command line.
    Author

    Paul Vixie

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