I need a way to create an entry on the crontab that executes a script only once in 24h.
Steps:
date
?). This will run only ONCE 24 hs after . If you don't want to pollute the crontab, you can use "at" eg
at now + 24 hours
now you will get "at>" prompt, and you'll be able to enter the code which will be executed in 24 hours
You can also execute a shell script using:
at -f shell_script now + 24 hours
additional info can be found here: https://en.wikipedia.org/wiki/At_(Unix)
and here: http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/scheduling.html
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