/usr/bin/kcarectl -q --auto-update: The IP was already used for a trial license

Issues and how to solve KernelCare update on Cpanel

Sometimes you may receive a cron notification on your server with the following where IPAddress is your servers public IP and YYYY-MM-DD is the year, month, and day:


The xxxxxxxx was already used for a trial license on YYYY-MM-DD

This problems popups sometimes when KernelCare is not licensed and is not enabled for a trial license, you will receive this notification when the following cronjob runs:

So check cron and you will see that there is cron job set up there.

# cat /etc/cron.d/kcare-cron
14 */4 * * * root /usr/bin/kcarectl -q --auto-update

To resolve this problem, best is to purchase a KernelCare license or uninstall with command

yum remove kernelcare

Marko Tiosavljevic

Marko is an IT and eCommerce expert for over 10 years, he is CEO of the Cloud Industry and an occasional writer on the blog. He writes about technology, e-commerce, analytics, big data, cryptocurrency

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