[Pyatcron-devel-list] Cron backend: a correction

[NICOLOVICI Xavier]

Some comments about the cron and at backend.


Julien said:
1. The thing is that, on my Fedora distribution at least, the user files in
/var/spool/cron/ are really owned by root and are not user-writeable
other than by using the "crontab" command. So I fail to understand how
you want to edit those files directly if they are not user-writeable.

2. OK, so the question is the same as for cron. How does a non-root user
add a job to his /var/spool/at ?


Xavier respond:
1. Julien, you're right, and I was totally wrong !!! User crontab files are
readable by the users, but the /var/spool/cron folder is only readable by
root. So go back to your first idea, creating temporary files and call the
contrab command.

2. Same as cron I think, using the "at" command (at,atq,atrm). Looking at
the "at" manpage, I've found a command named "batch" which plans a task when
the system load decrease until a fixed value. From a desktop user
perspective, I would ignore this option in our project, but this might be
usefull sometime, what do you think?

Bye,

Xavier

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