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I want run a script every 10 minutes I created a file names dyndns em: /etc/cron.d
An I put that line: 0, 10, 20, 30, 40, 50 * * * * root /etc/ppp/ip-up.d/dyndns_update.sh >/dev/null 2>&1 But the script don't run. Why?
If you're sure that the syntax is already correct, first you must at least know if the script runs but just immediately bails out. Add a line similar to this in the beginning of the script. Check if a file is created.
cat /dev/null > /tmp/file
If a file is created, it should be a problem with the script. You can post the script here so that others can also see it if you like.
The cron.d is running the script is running to because when I execute the script in terminal there's no problem. The only problem can be this line 0, 10, 20, 30, 40, 50 * * * * root /etc/ppp/ip-up.d/dyndns_update.sh >/dev/null 2>&1