能否使用python-crontab在远程服务器上执行Cron任务？

Hey there,

I’ve spent some time working with python-crontab, so I can give you a clear answer: this library doesn’t natively support managing Cron jobs on remote servers.

The reason is straightforward: python-crontab is built to interact directly with your local system’s crontab files (think /var/spool/cron/crontabs/ for Linux) or run the local crontab command to make changes. It has no built-in tools for SSH or remote connections to reach another server’s Cron setup.

That said, there are workarounds if you still want to leverage python-crontab’s convenient interface:

• Use a Python SSH library like paramiko to establish a connection to your remote server. Once connected, you have two solid options:
  1. Install python-crontab on the remote server, then run your Cron-management scripts directly there via the SSH connection
  2. Generate the crontab configuration locally using python-crontab, send that configuration text over SSH, and load it into the remote crontab with a command like echo "<your_crontab_content>" | crontab -
• If you don’t want to handle remote library installation, you could skip python-crontab for remote tasks and manage the remote crontab directly via SSH commands—but you’ll lose the library’s Pythonic, easy-to-use syntax for building Cron schedules.

To sum up: You can’t use python-crontab from your local machine to directly modify a remote server’s Cron jobs, but combining it with remote execution tools lets you achieve the same end result.

内容的提问来源于stack exchange，提问作者user3167654