You will do this assignment on the server. In the following instructions, filename refers to the file /tmp/lastname_firstname. Thus, if your name is Diane Arbus, every time you see filename, you should write /tmp/arbus_diane
Use
crontab -e to edit your
crontab to do the following. Each of these will be done
with a single line in the crontab file.
At 2:45 PM every day, this command will occur:
echo "A quarter to three. $(date)" >> filename
At 10 AM, 2PM, and 4 PM every day, this command will occur:
echo "It's Dr. Pepper (TM) time. $(date)" >> filename
Every Thursday at 6 PM, this command will occur:
Echo "Time to go to class. $(date)" >> filename
Every hour on the hour Saturday and Sunday, this command will occur:
echo "cron works weekends. $(date)" >> filename
Figure out whatever day and month tomorrow will be; on that day at 2 AM, this command will occur:
echo "Closing time. $(date)" >> filename
Use crontab -l (that’s the letter ell, not the
digit one) to list your crontab file; redirect the output
of the command to a file named
lastname_firstname_cron.txt and
mail that file to the instructor.
If you want to see the tasks that the system runs with
cron, look at these files and directories:
/etc/crontab,
/etc/cron.daily,
/etc/cron.hourly,
/etc/cron.monthly, and
/etc/cron.weekly