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How do I run crontab with root privileges?
6 Answers. Yes, just add it to the root users’ crontab; run the crontab -e command. The places cron stores its files can be a little bizzare, so use the crontab -e command which will make sure it’s in the right place, and I believe it checks the syntax.
How do I run a sh script with root privileges?
Write your script, with the commands you want to run as root, and save it e.g. as /path/to/root-script.sh . Make root (or the desired user) the owner of the script. Set the setuid bit on the script, with other desired permissions. (make sure it is not universally writable etc.)
Does cron execute as root?
You can edit the configuration file by using the -e option in the crontab command. You can usually run cron jobs as root without any issues. Most system maintenance jobs will need to be run root or super user anyways. However it is possible for each user in the system to have their own crontab or cron jobs.
Why are my crontab scripts not being executed?
Often, crontab scripts are not executed on schedule or as expected. There are numerous reasons for that: This community wiki aims to aggregate the top reasons for crontab scripts not being executed as expected. Write each reason in a separate answer.
Why is Cron calling scripts that are not executable?
If your crontab command has a % symbol in it, cron tries to interpret it. So if you were using any command with a % in it (such as a format specification to the date command) you will need to escape it. Cron is calling a script that is not executable.
Why is cron job not running with same user?
The cron job doesn’t run with the same user with which you are executing the script manually – so it doesn’t have access to the same $PATH variable as your user which means it can’t locate the Java executable to execute the commands in the script. We should first fetch the value of PATH variable as below and then set it (export) in the script –
How to run scripts as root and as user?
And executed the following command as root. which shows that root was able to execute both as a normal user and as root. So keep your user housekeeping script in the script, replace the nonrootuser with Bob and some-admin-command with the shutdown command and run it as root.