this post was submitted on 03 Aug 2026
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Programming

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cron PATH bit me again today (lemmy.world)
submitted 1 week ago* (last edited 1 week ago) by indidev@lemmy.world to c/programming@programming.dev
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Deployed a backup script on a new server, tested it manually — worked fine. Set up crontab, came back next morning, no backup. Turns out /usr/local/bin wasn't in cron's PATH so pg_dump just silently didn't exist.

Switched to absolute path and it worked immediately. Fifteen minutes of debugging for a one-character fix. I keep making this mistake every time I set up a new box. At this point I should just have a checklist taped to my monitor.

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[–] 87Six@lemmy.zip 4 points 6 days ago* (last edited 6 days ago) (1 children)

This bit me so many times I have

# USE ABSOLUTE PATHS, ASSUME ALL COMMANDS ARE UNDEFINED, SPECIFY ALL VERSIONS, REDIRECT OUTPUT

at the top of my local crontab so I remember from when I take something from it to prod, lol.

Edit: formatting whoopsie

[–] Kissaki@programming.dev 3 points 6 days ago

When will this be part of the packaged default? :)