How to remove this cronjob in ubuntu

user_1264511 0
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I'm running a webserver with PLESK and installed an extension 'kernel care' which I later on deleted. However, it installed a cronjob which sends me a mail every 4 hours:

Cron <root@server> /usr/bin/kcarectl --auto-update
Unknown Kernel (Ubuntu 3.13.0-042stab123.9)

I ssh into the server and run crontab -l as root but don't see the specific cronjob. However, in /etc/cron.d there is a file kcare-cron and if I cat this file it shows

16 */4  * * * root /usr/bin/kcarectl --auto-update

So thats the one I want to delete. Can I just delete the file kcare-cron?

ubuntu cron
5 Answers

If you check file

/etc/cron.allow

and see if accounts other than root exist, if there is then su to those accounts and try all the suggested actions above.

user_121200690
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