The crontab syntax checker is simple to use. These examples demonstrate three ways to quickly check that an entry is formatted correctly. Keep in mind that the verify functions or CrontabLine#to_s may ...

I need to run some things at 22.00 on every 3rd Saturday of every month, would the following work? 00 22 15-21 * * [ `date +\%u` = 6 ] && /root/test.sh i would use 6 instead of Sat so that if someone ...

Have you ever experienced that heart-dropping moment when you realize you've accidentally deleted all your crontab entries? If you're nodding your head, you're not alone. I also did this mistake a ...

The crontab-ui is very user friendly. How to install crontab-ui for remote use Your email has been sent Jack Wallen walks you through the process of installing a web ...

Not a crontab solution but have a look at iCal alarms. I know they can be set to run when iCal isn't itself open but I don't know if they run when that user is not logged in.