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 administrator, 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.