How to Install/Uninstall KernelCare and Important Kernel commands

What is KernelCare

KernelCare is a service that provides important updates for your running kernel, removing the need to reboot your server. KernelCare is compatible with 64bit versions of RHEL/CentOS 5.x, 6.x , 7.x, CloudLinux 5.x, 6.x, Virtuozzo/PCS/OpenVZ 2.6.32, Debian 6.x, 7.x and Ubuntu 14.04 kernels .

KernelCare Installation

To install KernelCare on RPM based system, run:

rpm -i

To install KernelCare on Debian system, run the following command:

dpkg -i kernelcare-latest.deb
To check if the new patches applied
/usr/bin/kcarectl –info

KernelCare will automatically check for new patches every 4 hours. If you would like to run update manually:

/usr/bin/kcarectl –update

Uninstall KernelCare

To Uninstall KernelCare run the following command as root privileges:

yum remove kernelcare

To disable KernelCare automatic updates

Edit file /etc/sysconfig/kcare/kcare.conf


View current version of KernelCare

View current version of KernelCare run the command as root:

/usr/bin/kcarectl –uname
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