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- Crontab. guru - The cron schedule expression generator
From the creators of Crontab guru, Cronitor tracks every job execution, alerts on any failure, and tells you everything you need to know about your cron jobs Get started free
- Cron Expression Examples - Crontab. guru
Get started with 68 popular crontab expressionsThe quick and simple editor for cron schedule expressions by Cronitor
- Cron tips - Crontab. guru
Tip 3: Some cron implementations allow to specify years and seconds However, cron is not the best tool if you need to operate at those levels, which is also why crontab guru doesn't support them
- Crontab Guru Dashboard - Self-hosted cron job management
A free, self-hosted, open source control panel for your cron jobs with Crontab guru built in
- Cron manpage - cron. 8 - Crontab. guru
Cron examines all stored crontabs and checks each job to see if it needs to be run in the current minute When executing commands, any output is mailed to the owner of the crontab (or to the user specified in the MAILTO environment variable in the crontab, if such exists)
- Crontab manpage - crontab. 5 - Crontab. guru
Different character encodings can be used for mailing cron job outputs by setting the CONTENT_TYPE and CONTENT_TRANSFER_ENCODING variables in a crontab to the correct values of the mail headers of those names The CRON_TZ variable specifies the time zone specific for the cron table
- Crontab manpage - crontab. 1 - Crontab. guru
In this version of Cron it is possible to use a network-mounted shared var spool cron across a cluster of hosts and specify that only one of the hosts should run the crontab jobs in the particular directory at any one time
- crontab. guru - Cron bug
The latest versions of Ubuntu, Debian, FreeBSD, OpenBSD, MacOS all include Vixie cron with this behaviour Red Hat, Fedora, and CentOS have switched from Vixie cron to cronie However, the schedule-parsing part of cronie is based on Vixie cron with the same problematic implementation
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