cron = CronTab(user=True) # 为当前用户创建 CronTab 对象 # 或者 cron = CronTab(user='specific_username') # 为指定用户创建 CronTab 对象 添加、编辑或删除定时任务: 添加任务: 你可以使用 new 方法来添加一个新的定时任务。例如,添加一个每隔 1 分钟执行一次的 Python 脚本: python job = cron.new...
crontab -r## Delete job for specific user. Must be run as root user ## crontab -r -u username Use special string to save time Instead of the first five fields, you can use any one of eight special strings. It will not just save your time but it will improve readability. Examples R...
The -i option modifies the -r option to prompt the user for a 'y/Y' response before actually removing the crontab. DEBIAN SPECIFIC The "out-of-the-box" behaviour for crontab -l is to display the three line "DO NOT EDIT THIS FILE" header that is placed at the begin‐ ning of the ...
1. Scheduling a Job For a Specific Time The basic usage of cron is to execute a job in a specific time as shown below. This will execute the Full backup shell script (full-backup) on10th June 08:30 AM. Please note that the time field uses 24 hours format. So, for 8 AM use 8,...
is omitted, the name of the local host returned by gethostname(2) is used. Using this option has no effect on the /etc/crontab file and the files in the /etc/cron.d directory, which are always run, and considered host-specific. For more information on clustering support, see cron(8...
Acron jobis a task that is scheduled to run at a specific time or interval. Cron jobs are commonly used to automate system maintenance or administration tasks, such as running backups or sending emails. Each user has their owncrontabfile, and the commands in this file are only executed by...
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The-ioption modifies the-roption to prompt the userfora'y/Y'response before actually removing the crontab. DEBIAN SPECIFIC The"out-of-the-box"behaviourforcrontab-lis to display the three line"DO NOT EDIT THIS FILE"header that is placed at the beginning of thecrontabwhen it is installed. ...
Ensure that if your script requires root privileges or a specific user, you use the "su" command to switch to that user and add the cronjob accordingly. Also very important! The cronjob can be unintelligent at times. It is important to always provide the complete PATH to theapplication/com...
the /etc/cron.d directory, which are always run, and considered host-specific. For more information on clustering support, see cron(8). -c This option is only relevant if cron(8) was started with the -c option, to enable clustering support. It is used to query which host in the clus...