how to execute a command on the first, second, third and fourth Sunday of the month with crontab
3133
Why is my crontab not working, and how can I troubleshoot it?
105042
Can I use cron to chime at top of hour like a grandfather clock?
91220
php script not executed by crontab
36810
Executing periodic actions
69927
How to make crontab email me with output?
21835
Using notify-send with cron
7213
Conveniently schedule a command to run later?
29597
crontab - /bin/sh: wget: command not found
61956
How to log cron jobs?
5771
How do I time a specific command?
87480
Where is cron's PATH set?
54121
What is the story behind the default times set in /etc/crontab?
131828
Why isn't this crontab job running
107284
How to run a cron job using the sudo command
138651
How to run a script on each login or once a day if not run that day already?
150850
Joda-Time: Get first/second/last sunday of month
30504
escaping double quotes and percent signs (%) in cron