Live Linux Forensics training coming up @WWHackinFest Deadwood! Let's do some daily Linux Forensics trivia as a lead-up! wildwesthackinfest.com/deadw…
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Daily Linux Forensics Trivia #31 - Name three places in Linux where scheduled tasks can be configured.
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Trivia Answer #31 - Kudos to @CraigHRowland for checking in with a scarily complete answer. Honorable mention to @jwmwi. The full answer is long, so buckle up friends...
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Let's start with traditional aka "Vixie" cron (yes, named after @paulvixie who isn't just "that BIND guy") which uses /etc/crontab, /etc/cron.d, and /var/spool/cron/crontabs
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we moved /var/spool/cron/crontabs to /var/cron/tabs back in ~1994 or so. hopefully every private fork followed us? see also github.com/vixie/cron

GitHub - vixie/cron: Vixie Cron, an open source implementation of POSIX Cron, later imported into...

Vixie Cron, an open source implementation of POSIX Cron, later imported into BSD and Linux - GitHub - vixie/cron: Vixie Cron, an open source implementation of POSIX Cron, later imported into BSD an...

github.com
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RedHat still uses /var/spool/cron/crontabs I'm afraid
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Doesn't everything. I can't actually recall seeing vixie in prod.
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Also, no mention of at? *boohiss*. I heard a case of bad at juju causing an outage for a well known, unnamed researcher recently...
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Replying to @timb_machine @paulvixie
Read the whole thread. "at" is definitely in there!

Oct 7, 2022 · 7:13 PM UTC

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Replying to @hal_pomeranz @paulvixie
Yeh, I expanded the thread after I typed :)
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