Follow these commands and the file will be set up for you. Make sure a cronjob is not currently running by typing crontab -l . If this message does not appear, contact your System Administrator before proceeding. Save the file. At a UNIX prompt, type crontab cronfile to start the cronjob.
Command is a sh command line to be executed.
It can contain blanks and tabs. Every time this cronjob is executed, a message is mailed to the user. Conclusion Displaying current satellite images on the homepage can be a benefit to the public, especially those interested in aviation weather, fire weather, marine weather, or flash flood situations. With the use of scripts and crontab files, real-time data are easily added to homepages.