I want to run three cron jobs commands twice per hour (once every half hour) and the interval between these command should be 1-2 minutes. How should I configure cron jobs from cpanel?
I can't speak for cpanel, I'm afraid, but the crontab entries (if you can get to those) should look like this:
That'll run each twice an hour, at 1, 3, and 5 minutes past the hour and half-hour.
The interval between starting the jobs should be 2 minutes, or the interval from after one finishes 'til the next one starts should be 2 minutes?
If it's the first case, see MadHatter's comment.
If it's the second case, it's easiest to wrap the whole thing in a shell script, and do
I'll often do this if the next task shouldn't fire off if the previous task didn't return cleanly. It also makes it easier to set a semaphore for the whole group of tasks so if a task gets hung, the next time it runs, you don't kick off the tasks again.