是否有一个命令或现有的脚本可以让我一次查看*NIX系统的所有调度cron作业?我希望它包括所有用户crontab,以及/etc/crontab,以及/etc/cron.d.中的任何内容如果能在/etc/ crontable中看到run-parts运行的特定命令,那就太好了。

理想情况下,我希望输出以良好的列形式,并以某种有意义的方式排序。

然后,我可以合并来自多个服务器的这些清单,以查看总体的“事件时间表”。

我本来打算自己写一个这样的脚本,但如果有人已经费心了……


当前回答

向yukondude表示歉意和感谢。

我已经试着总结了时间设置以便于阅读,尽管这不是一个完美的工作,而且我不会碰“每周五”或“只有周一”的东西。

这是版本10 -现在:

runs much much faster has optional progress characters so you could improve the speed further. uses a divider line to separate header and output. outputs in a compact format when all timing intervals uencountered can be summarised. Accepts Jan...Dec descriptors for months-of-the-year Accepts Mon...Sun descriptors for days-of-the-week tries to handle debian-style dummying-up of anacron when it is missing tries to deal with crontab lines which run a file after pre-testing executability using "[ -x ... ]" tries to deal with crontab lines which run a file after pre-testing executability using "command -v" allows the use of interval spans and lists. supports run-parts usage in user-specific /var/spool crontab files.

我现在在这里发布完整的脚本。

https://gist.github.com/myshkin-uk/d667116d3e2d689f23f18f6cd3c71107

其他回答

向yukondude表示歉意和感谢。

我已经试着总结了时间设置以便于阅读,尽管这不是一个完美的工作,而且我不会碰“每周五”或“只有周一”的东西。

这是版本10 -现在:

runs much much faster has optional progress characters so you could improve the speed further. uses a divider line to separate header and output. outputs in a compact format when all timing intervals uencountered can be summarised. Accepts Jan...Dec descriptors for months-of-the-year Accepts Mon...Sun descriptors for days-of-the-week tries to handle debian-style dummying-up of anacron when it is missing tries to deal with crontab lines which run a file after pre-testing executability using "[ -x ... ]" tries to deal with crontab lines which run a file after pre-testing executability using "command -v" allows the use of interval spans and lists. supports run-parts usage in user-specific /var/spool crontab files.

我现在在这里发布完整的脚本。

https://gist.github.com/myshkin-uk/d667116d3e2d689f23f18f6cd3c71107

如果您使用NIS检查集群,查看用户是否有crontab条目的唯一方法是根据Matt的回答/var/spool/ crontab .

grep -v "#" -R  /var/spool/cron/tabs

你可以写所有用户列表:

sudo crontab -u userName -l

,

你也可以去

cd /etc/cron.daily/
ls -l
cat filename

这个文件将列出时间表

cd /etc/cron.d/
ls -l
cat filename

对Kyle Burton的回答稍加改进,改进了输出格式:

#!/bin/bash
for user in $(cut -f1 -d: /etc/passwd)
do echo $user && crontab -u $user -l
echo " "
done

取决于你的linux版本,但我使用:

tail -n 1000 /var/spool/cron/*

作为根。非常简单,非常简短。

输出如下:

==> /var/spool/cron/root <==
15 2 * * * /bla

==> /var/spool/cron/my_user <==
*/10 1 * * * /path/to/script