Installation of KernelCare

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Installation of KernelCare

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KernelCare is compatible with 64-bit versions of CentOS/RHEL 6.x and 7.x, CloudLinux 6.x and 7.x, Virtuozzo/PCS/OpenVZ 2.6.32, Debian 8 and 9, Proxmox VE 4, Virt-SIG/Xen4CentOS 6 and 7, Ubuntu 14.04, 15.04 and 16.04 kernels. The list of compatible kernels can be found on the following link:


To install KernelCare run:


curl -s | bash




wget -qq -O - | bash


If you are using IP-based license, nothing else required to be done.


If you are using key-based license, run:


$ /usr/bin/kcarectl --register KEY


If you are experiencing Key limit reached error after the end of the trial period you should first unregister the server by running:


kcarectl --unregister


To check if patches applied run:


$ /usr/bin/kcarectl --info


The software will automatically check for new patches every 4 hours.


If you would like to run update manually:


$ /usr/bin/kcarectl --update


To check current kernel compatibility with KernelCare use the following script by running:


curl -s | python




wget -qq -O - | python


More information can be found on the link: