With customers like Dell and LiquidWeb, which run KernelCare on thousands of their servers, CloudLinux managed to offer users an unmatched kernel live patching solution that offers a no roll-back functionality that offers great flexibility to system administrators, allowing them to test their servers with or without it, as well as to install and uninstall without a reboot.
At the moment, KernelCare works on CentOS 5.x, 6.x, and 7.x, as well as CentOS 7 Plus, Red Hat Enterprise Linux 5.x, 6.x, and 7.x series, CloudLinux OS 5.x, 6.x, and 7.x, Debian GNU/Linux 6.x, 7.x, and 8.x, Xen4CentOS 6 and 7, Proxmox 2.6, 3.10, and 4.4, as well as Ubuntu 14.04 LTS and 16.04 LTS. It also supports Virtuozzo/OpenVZ 2.6.32, Xen, KVM, PSBM, VirtualBox, VMware, Microsoft Hyper-V, VZ, PCS, and LXC virtualizations.
As for the supported kernels, it appears that KernelCare provides support for Linux kernels from the 2.6.18, 2.6.32, 3.10.0, 3.13, 3.16, 3.18, 3.19, 4.2, and 4.4 branches. 32-bit and 64-bit supported is provided as well, along with binary patches for known vulnerabilities and support for custom patches. Pricing starts at $2.25-$2.95 USD per server/month or $25 USD per year.
Submitted by: Arnfried Walbrecht